未验证 提交 cc0e4939 编写于 作者: O openharmony_ci 提交者: Gitee

!21673 [翻译完成】#I7KIUC

Merge pull request !21673 from Annie_wang/PR20671
......@@ -317,8 +317,18 @@
- [@ohos.request (Upload and Download)](js-apis-request.md)
- Connectivity
- [@ohos.bluetooth.a2dp (Bluetooth a2dp Module)(Recommended)](js-apis-bluetooth-a2dp.md)
- [@ohos.bluetooth.access (Bluetooth access Module)(Recommended)](js-apis-bluetooth-access.md)
- [@ohos.bluetooth.baseProfile (Bluetooth baseProfile Module)(Recommended)](js-apis-bluetooth-baseProfile.md)
- [@ohos.bluetooth.ble (Bluetooth ble Module)(Recommended)](js-apis-bluetooth-ble.md)
- [@ohos.bluetooth.connection (Bluetooth connection Module)(Recommended)](js-apis-bluetooth-connection.md)
- [@ohos.bluetooth.constant (Bluetooth constant Module)(Recommended)](js-apis-bluetooth-constant.md)
- [@ohos.bluetooth.hfp (Bluetooth hfp Module)(Recommended)](js-apis-bluetooth-hfp.md)
- [@ohos.bluetooth.hid (Bluetooth hid Module)(Recommended)(js-apis-bluetooth-hid.md)
- [@ohos.bluetooth.pan (Bluetooth pan Module)(Recommended)](js-apis-bluetooth-pan.md)
- [@ohos.bluetooth.socket (Bluetooth socket Module)(Recommended)](js-apis-bluetooth-socket.md)
- [@ohos.bluetooth (Bluetooth) (To Be Deprecated Soon)](js-apis-bluetooth.md)
- [@ohos.bluetoothManager (Bluetooth) (Recommended)](js-apis-bluetoothManager.md)
- [@ohos.bluetoothManager (Bluetooth) (To Be Deprecated Soon)](js-apis-bluetoothManager.md)
- [@ohos.connectedTag (Active Tags)](js-apis-connectedTag.md)
- [@ohos.nfc.cardEmulation (Standard NFC Card Emulation)](js-apis-cardEmulation.md)
- [@ohos.nfc.controller (Standard NFC)](js-apis-nfcController.md)
......
# @ohos.bluetooth.a2dp (Bluetooth A2DP Module)
The **a2dp** module provides APIs for using the Bluetooth Advanced Audio Distribution Profile (A2DP), which defines how to stream high quality audio from one device to another over a Bluetooth connection.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import a2dp from '@ohos.bluetooth.a2dp';
```
## a2dp.createA2dpSrcProfile<a name="createA2dpSrcProfile"></a>
createA2dpSrcProfile(): A2dpSourceProfile
Creates an **A2dpSrcProfile** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| A2dpSourceProfile | **A2dpSrcProfile** instance created.|
**Example**
```js
try {
let a2dpProfile = a2dp.createA2dpSrcProfile();
console.info('a2dp success');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## A2dpSourceProfile
Provides APIs for using the A2DP. Before using any API of **A2dpSourceProfile**, you need to create an instance of this class by using **createA2dpSrcProfile()**.
### connect<a name="a2dp-connect"></a>
connect(deviceId: string): void
Connects to an A2DP device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the device to connect. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
a2dpSrc.connect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### disconnect<a name="a2dp-disconnect"></a>
disconnect(deviceId: string): void
Disconnects from an A2DP device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the device to disconnect. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
a2dpSrc.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getPlayingState
getPlayingState(deviceId: string): PlayingState
Obtains the playing state of a device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the remote device.|
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| [PlayingState](#PlayingState) | Playing state of the remote device obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let state = a2dpSrc.getPlayingState('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## PlayingState<a name="PlayingState"></a>
Enumerates the A2DP playing states.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ----------------- | ------ | ------- |
| STATE_NOT_PLAYING | 0x0000 | Not playing. |
| STATE_PLAYING | 0x0001 | Playing.|
# @ohos.bluetooth.access (Bluetooth Access Module)
The **access** module provides APIs for enabling and disabling Bluetooth and obtaining the Bluetooth status.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import access from '@ohos.bluetooth.access';
```
## access.enableBluetooth<a name="enableBluetooth"></a>
enableBluetooth(): void
Enables Bluetooth.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message |
| -------- | ------------------ |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
try {
access.enableBluetooth();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## access.disableBluetooth<a name="disableBluetooth"></a>
disableBluetooth(): void
Disables Bluetooth.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
|ID | Error Message |
| -------- | ------------------ |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
try {
access.disableBluetooth();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## access.getState<a name="getState"></a>
getState(): BluetoothState
Obtains the Bluetooth state.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| --------------------------------- | ---------------- |
| [BluetoothState](#bluetoothstate) | Bluetooth state obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
|ID | Error Message |
| -------- | ------------------ |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
try {
let state = access.getState();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## access.on('stateChange')<a name="stateChange"></a>
on(type: "stateChange", callback: Callback&lt;BluetoothState&gt;): void
Subscribes to Bluetooth state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------------------------------------------------- | ----- | ---------------------------------------------------------- |
| type | string | Yes | Event type. The value is **stateChange**, which indicates a Bluetooth state change event. |
| callback | Callback&lt;[BluetoothState](#bluetoothstate)&gt; | Yes | Callback invoked to return the Bluetooth state. You need to implement this callback.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
|ID | Error Message |
| -------- | ------------------ |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bluetooth state = '+ JSON.stringify(data));
}
try {
access.on('stateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## access.off('stateChange')<a name="stateChange"></a>
off(type: "stateChange", callback?: Callback&lt;BluetoothState&gt;): void
Unsubscribes from Bluetooth state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **stateChange**, which indicates a Bluetooth state change event. |
| callback | Callback&lt;[BluetoothState](#bluetoothstate)&gt; | No | Callback for the Bluetooth state change event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bluetooth state = '+ JSON.stringify(data));
}
try {
access.on('stateChange', onReceiveEvent);
access.off('stateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## BluetoothState<a name="BluetoothState"></a>
Enumerates the Bluetooth states.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| --------------------- | ---- | ------------------ |
| STATE_OFF | 0 | Bluetooth is turned off. |
| STATE_TURNING_ON | 1 | Bluetooth is being turned on. |
| STATE_ON | 2 | Bluetooth is turned on. |
| STATE_TURNING_OFF | 3 | Bluetooth is being turned off. |
| STATE_BLE_TURNING_ON | 4 | The LE-only mode is being turned on for Bluetooth.|
| STATE_BLE_ON | 5 | Bluetooth is in LE-only mode. |
| STATE_BLE_TURNING_OFF | 6 | The LE-only mode is being turned off for Bluetooth.|
# @ohos.bluetooth.baseProfile (Bluetooth baseProfile Module)
The **baseProfile** module provides APIs for using basic Bluetooth profiles.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import baseProfile from '@ohos.bluetooth.baseProfile';
```
## ConnectionStrategy<a name="ConnectionStrategy"></a>
Enumerates the profile connection strategies.
**System API**: This is a system API.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| CONNECTION_STRATEGY_UNSUPPORTED | 0 | Default connection strategy to use when the device is not paired.<br>This is a system API.|
| CONNECTION_STRATEGY_ALLOWED | 1 | Connection strategy to use when the device is allowed to accept or initiate pairing.<br>This is a system API.|
| CONNECTION_STRATEGY_FORBIDDEN | 2 | Connection strategy to use when the device is not allowed to accept or initiate pairing.<br>This is a system API. |
## StateChangeParam<a name="StateChangeParam"></a>
Represents the profile state change parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
| -------- | ----------------------------- | ---- | ---- | ------------------------------- |
| deviceId | string | Yes | No | Address of the Bluetooth device. |
| state | ProfileConnectionState | Yes | No | Profile connection state of the device.|
## baseProfile.setConnectionStrategy<a name="setConnectionStrategy"></a>
setConnectionStrategy(deviceId: string, strategy: ConnectionStrategy, callback: AsyncCallback&lt;void&gt;): void
Sets the profile connection strategy for this device. This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX. |
| strategy | [ConnectionStrategy](#connectionstrategy) | Yes |Profile connection strategy to set.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let setRet = a2dpSrc.setConnectionStrategy('XX:XX:XX:XX:XX:XX', 0, (err, data) => {
console.info('setConnectionStrategy, err: ' + JSON.stringify(err) + ', data: ' + JSON.stringify(data));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.setConnectionStrategy<a name="setConnectionStrategy"></a>
setConnectionStrategy(deviceId: string, strategy: ConnectionStrategy): Promise&lt;void&gt;
Sets the profile connection strategy for this device. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX. |
| strategy | [ConnectionStrategy](#connectionstrategy) | Yes |Profile connection strategy to set.|
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let setRet = a2dpSrc.setConnectionStrategy('XX:XX:XX:XX:XX:XX', 1).then((data) => {
console.info('setConnectionStrategy');
}, (err) => {
console.error('setConnectionStrategy errCode: ' + err.code + ', errMessage: ' + err.message);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.getConnectionStrategy<a name="getConnectionStrategy"></a>
getConnectionStrategy(deviceId: string, callback: AsyncCallback&lt;ConnectionStrategy&gt;): void
Obtains the profile connection strategy. This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX. |
| callback | AsyncCallback&lt;[ConnectionStrategy](#connectionstrategy)&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let setRet = a2dpSrc.getConnectionStrategy('XX:XX:XX:XX:XX:XX', 0, (err, data) => {
console.info('getConnectionStrategy, err: ' + JSON.stringify(err) + ', data: ' + JSON.stringify(data));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.getConnectionStrategy<a name="getConnectionStrategy"></a>
getConnectionStrategy(deviceId: string): Promise&lt;ConnectionStrategy&gt;
Obtains the profile connection strategy. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX. |
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;[ConnectionStrategy](#connectionstrategy)&gt; | Promise used to return the profile connection strategy obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let setRet = a2dpSrc.getConnectionStrategy('XX:XX:XX:XX:XX:XX', 1).then((data) => {
console.info('getConnectionStrategy');
}, (error) => {
console.error('getConnectionStrategy errCode: ' + err.code + ', errMessage: ' + err.message);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.getConnectedDevices<a name="getConnectedDevices"></a>
getConnectedDevices(): Array&lt;string&gt;
Obtains the connected devices.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ------------------- | ------------------- |
| Array&lt;string&gt; | Addresses of the connected devices.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let retArray = a2dpSrc.getConnectedDevices();
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
```
## baseProfile.getConnectionState<a name="getConnectionState"></a>
getConnectionState(deviceId: string): ProfileConnectionState
Obtains the profile connection state of a device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Return value**
| Type | Description |
| ------------------------------------------------- | ----------------------- |
| [ProfileConnectionState](js-apis-bluetooth-constant.md#profileconnectionstate) | Profile connection state obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
let a2dpSrc = a2dp.createA2dpSrcProfile();
let ret = a2dpSrc.getConnectionState('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.on('connectionStateChange')
on(type: 'connectionStateChange', callback: Callback&lt;StateChangeParam&gt;): void
Subscribes to profile connection state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **connectionStateChange**, which indicates a profile connection state change event.|
| callback | Callback&lt;[StateChangeParam](#statechangeparam)&gt; | Yes | Callback invoked to return the profile connection state change. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
function onReceiveEvent(data) {
console.info('a2dp state = '+ JSON.stringify(data));
}
let a2dpSrc = a2dp.createA2dpSrcProfile();
a2dpSrc.on('connectionStateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## baseProfile.off('connectionStateChange')
off(type: 'connectionStateChange', callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from profile connection state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **connectionStateChange**, which indicates a profile connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback for the profile connection state change. |
**Example**
```js
import a2dp from '@ohos.bluetooth.a2dp';
try {
function onReceiveEvent(data) {
console.info('a2dp state = '+ JSON.stringify(data));
}
let a2dpSrc = a2dp.createA2dpSrcProfile();
a2dpSrc.on('connectionStateChange', onReceiveEvent);
a2dpSrc.off('connectionStateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
# @ohos.bluetooth.ble (Bluetooth BLE Module)
The **ble** module provides APIs for accessing the Bluetooth personal area network.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import ble from '@ohos.bluetooth.ble';
```
## ble.createGattServer<a name="createGattServer"></a>
createGattServer(): GattServer
Creates a **GattServer** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| GattServer | **GattServer** instance created.|
**Example**
```js
let gattServer = ble.createGattServer();
console.info('gatt success');
```
## ble.createGattClientDevice<a name="createGattClientDevice"></a>
createGattClientDevice(deviceId: string): GattClientDevice
Creates a **GattClientDevice** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ------------------------------------ |
| deviceId | string | Yes | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------------------------------------- | ------------------------------------ |
| [GattClientDevice](#gattclientdevice) | **GattClientDevice** instance created. Before using an API of the client, you must create a **GattClientDevice** instance.|
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.getConnectedBLEDevices<a name="getConnectedBLEDevices"></a>
getConnectedBLEDevices(): Array&lt;string&gt;
Obtains the Bluetooth Low Energy (BLE) devices connected to this device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ------------------- | ------------------- |
| Array&lt;string&gt; | Addresses of the BLE devices connected to this device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let result = ble.getConnectedBLEDevices();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.startBLEScan<a name="startBLEScan"></a>
startBLEScan(filters: Array&lt;ScanFilter&gt;, options?: ScanOptions): void
Starts a BLE scan.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------- | -------------------------------------- | ---- | ----------------------------------- |
| filters | Array&lt;[ScanFilter](#scanfilter)&gt; | Yes | Criteria for filtering the scan result. Set this parameter to **null** if you do not want to filter the scan result.|
| options | [ScanOptions](#scanoptions) | No | Scan options. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('BLE scan device find result = '+ JSON.stringify(data));
}
try {
ble.on("BLEDeviceFind", onReceiveEvent);
ble.startBLEScan(
[{
deviceId:"XX:XX:XX:XX:XX:XX",
name:"test",
serviceUuid:"00001888-0000-1000-8000-00805f9b34fb"
}],
{
interval: 500,
dutyMode: ble.ScanDuty.SCAN_MODE_LOW_POWER,
matchMode: ble.MatchMode.MATCH_MODE_AGGRESSIVE,
}
);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.stopBLEScan<a name="stopBLEScan"></a>
stopBLEScan(): void
Stops the BLE scan.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
ble.stopBLEScan();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.startAdvertising<a name="startAdvertising"></a>
startAdvertising(setting: AdvertiseSetting, advData: AdvertiseData, advResponse?: AdvertiseData): void
Starts BLE advertising.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ----------- | ------------------------------------- | ---- | -------------- |
| setting | [AdvertiseSetting](#advertisesetting) | Yes | Settings related to BLE advertising. |
| advData | [AdvertiseData](#advertisedata) | Yes | Content of the BLE advertisement packet. |
| advResponse | [AdvertiseData](#advertisedata) | No | Response to the BLE scan request.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
let manufactureValueBuffer = new Uint8Array(4);
manufactureValueBuffer[0] = 1;
manufactureValueBuffer[1] = 2;
manufactureValueBuffer[2] = 3;
manufactureValueBuffer[3] = 4;
let serviceValueBuffer = new Uint8Array(4);
serviceValueBuffer[0] = 4;
serviceValueBuffer[1] = 6;
serviceValueBuffer[2] = 7;
serviceValueBuffer[3] = 8;
console.info('manufactureValueBuffer = '+ JSON.stringify(manufactureValueBuffer));
console.info('serviceValueBuffer = '+ JSON.stringify(serviceValueBuffer));
try {
ble.startAdvertising({
interval:150,
txPower:0,
connectable:true,
},{
serviceUuids:["00001888-0000-1000-8000-00805f9b34fb"],
manufactureData:[{
manufactureId:4567,
manufactureValue:manufactureValueBuffer.buffer
}],
serviceData:[{
serviceUuid:"00001888-0000-1000-8000-00805f9b34fb",
serviceValue:serviceValueBuffer.buffer
}],
},{
serviceUuids:["00001889-0000-1000-8000-00805f9b34fb"],
manufactureData:[{
manufactureId:1789,
manufactureValue:manufactureValueBuffer.buffer
}],
serviceData:[{
serviceUuid:"00001889-0000-1000-8000-00805f9b34fb",
serviceValue:serviceValueBuffer.buffer
}],
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.stopAdvertising<a name="stopAdvertising"></a>
stopAdvertising(): void
Stops BLE advertising.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
ble.stopAdvertising();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.on('BLEDeviceFind')
on(type: 'BLEDeviceFind', callback: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
Subscribes to BLE device discovery events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ----------------------------------- |
| type | string | Yes | Event type. The value is **BLEDeviceFind**, which indicates an event of discovering a BLE device. |
| callback | Callback&lt;Array&lt;[ScanResult](#scanresult)&gt;&gt; | Yes | Callback invoked to return the discovered devices. You need to implement this callback.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bluetooth device find = '+ JSON.stringify(data));
}
try {
ble.on('BLEDeviceFind', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## ble.off('BLEDeviceFind')
off(type: 'BLEDeviceFind', callback?: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
Unsubscribes from BLE device discovery events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **BLEDeviceFind**, which indicates an event of discovering a BLE device. |
| callback | Callback&lt;Array&lt;[ScanResult](#scanresult)&gt;&gt; | No | Callback for the **BLEDeviceFind** event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bluetooth device find = '+ JSON.stringify(data));
}
try {
ble.on('BLEDeviceFind', onReceiveEvent);
ble.off('BLEDeviceFind', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## GattServer
Implements the Generic Attribute Profile (GATT) server. Before using an API of this class, you need to create a **GattServer** instance using **createGattServer()**.
### addService
addService(service: GattService): void
Adds a service to this GATT server.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------- | --------------------------- | ---- | ------------------------ |
| service | [GattService](#gattservice) | Yes | Service to add. Settings related to BLE advertising.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
// Create descriptors.
let descriptors = [];
let arrayBuffer = new ArrayBuffer(8);
let descV = new Uint8Array(arrayBuffer);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002902-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
descriptors[0] = descriptor;
// Create characteristics.
let characteristics = [];
let arrayBufferC = new ArrayBuffer(8);
let cccV = new Uint8Array(arrayBufferC);
cccV[0] = 1;
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
let characteristicN = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001821-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
characteristics[0] = characteristic;
// Create a gattService instance.
let gattService = {serviceUuid:'00001810-0000-1000-8000-00805F9B34FB', isPrimary: true, characteristics:characteristics, includeServices:[]};
try {
gattServer.addService(gattService);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### removeService
removeService(serviceUuid: string): void
Removes a service from this GATT server.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ----------- | ------ | ---- | ---------------------------------------- |
| serviceUuid | string | Yes | Universally unique identifier (UUID) of the service to remove, for example, **00001810-0000-1000-8000-00805F9B34FB**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
let server = ble.createGattServer();
try {
server.removeService('00001810-0000-1000-8000-00805F9B34FB');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### close
close(): void
Closes this GATT server to unregister it from the protocol stack. The closed [GattServer](#gattserver) instance will no longer be used.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
let server = ble.createGattServer();
try {
server.close();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### notifyCharacteristicChanged
notifyCharacteristicChanged(deviceId: string, notifyCharacteristic: NotifyCharacteristic, callback: AsyncCallback&lt;void&gt;): void
Notifies a connected client device when a characteristic value changes. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------------- | ---------------------------------------- | ---- | --------------------------------------- |
| deviceId | string | Yes | Address of the client that receives the notifications, for example, XX:XX:XX:XX:XX:XX.|
| notifyCharacteristic | [NotifyCharacteristic](#notifycharacteristic) | Yes | New characteristic value. |
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**; otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
let arrayBufferC = new ArrayBuffer(8);
let notifyCharacter = {
"serviceUuid": '00001810-0000-1000-8000-00805F9B34FB',
"characteristicUuid": '00001820-0000-1000-8000-00805F9B34FB',
"characteristicValue": arrayBufferC,
"confirm": true,
};
try {
gattServer.notifyCharacteristicChanged('XX:XX:XX:XX:XX:XX', notifyCharacter, (err) => {
if (err) {
console.info('notifyCharacteristicChanged callback failed');
} else {
console.info('notifyCharacteristicChanged callback successful');
}
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### notifyCharacteristicChanged
notifyCharacteristicChanged(deviceId: string, notifyCharacteristic: NotifyCharacteristic): Promise&lt;void&gt;
Notifies a connected client device when a characteristic value changes. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------------- | ---------------------------------------- | ---- | --------------------------------------- |
| deviceId | string | Yes | Address of the client that receives the notifications, for example, XX:XX:XX:XX:XX:XX.|
| notifyCharacteristic | [NotifyCharacteristic](#notifycharacteristic) | Yes | New characteristic value. |
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
let arrayBufferC = new ArrayBuffer(8);
let notifyCharacter = {
"serviceUuid": '00001810-0000-1000-8000-00805F9B34FB',
"characteristicUuid": '00001820-0000-1000-8000-00805F9B34FB',
"characteristicValue": arrayBufferC,
"confirm": true,
};
try {
gattServer.notifyCharacteristicChanged('XX:XX:XX:XX:XX:XX', notifyCharacter).then(() => {
console.info('notifyCharacteristicChanged promise successfull');
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### sendResponse
sendResponse(serverResponse: ServerResponse): void
Sends a response to a read or write request from the GATT client.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------- | ---- | --------------- |
| serverResponse | [ServerResponse](#serverresponse) | Yes | Response returned by the GATT server.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
/* send response */
let arrayBufferCCC = new ArrayBuffer(8);
let cccValue = new Uint8Array(arrayBufferCCC);
cccValue[0] = 1123;
let serverResponse = {
'deviceId': 'XX:XX:XX:XX:XX:XX',
'transId': 0,
'status': 0,
'offset': 0,
'value': arrayBufferCCC,
};
try {
gattServer.sendResponse(serverResponse);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### on('characteristicRead')
on(type: 'characteristicRead', callback: Callback&lt;CharacteristicReadRequest&gt;): void
Subscribes to characteristic read request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ------------------------------------- |
| type | string | Yes | Event type. The value is **characteristicRead**, which indicates a characteristic read request event.|
| callback | Callback&lt;[CharacteristicReadRequest](#characteristicreadrequest)&gt; | Yes | Callback invoked to return a characteristic read request event from the GATT client. |
**Example**
```js
let arrayBufferCCC = new ArrayBuffer(8);
let cccValue = new Uint8Array(arrayBufferCCC);
cccValue[0] = 1123;
function ReadCharacteristicReq(CharacteristicReadRequest) {
let deviceId = CharacteristicReadRequest.deviceId;
let transId = CharacteristicReadRequest.transId;
let offset = CharacteristicReadRequest.offset;
let characteristicUuid = CharacteristicReadRequest.characteristicUuid;
let serverResponse = {deviceId: deviceId, transId: transId, status: 0, offset: offset, value:arrayBufferCCC};
try {
gattServer.sendResponse(serverResponse);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
}
gattServer.on('characteristicRead', ReadCharacteristicReq);
```
### off('characteristicRead')
off(type: 'characteristicRead', callback?: Callback&lt;CharacteristicReadRequest&gt;): void
Unsubscribes from characteristic read request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **characteristicRead**, which indicates a characteristic read request event. |
| callback | Callback&lt;[CharacteristicReadRequest](#characteristicreadrequest)&gt; | No | Callback for the characteristic read request event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
gattServer.off('characteristicRead');
```
### on('characteristicWrite')
on(type: 'characteristicWrite', callback: Callback&lt;CharacteristicWriteRequest&gt;): void
Subscribes to characteristic write request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | -------------------------------------- |
| type | string | Yes | Event type. The value **characteristicWrite** indicates a characteristic write request event.|
| callback | Callback&lt;[CharacteristicWriteRequest](#characteristicwriterequest)&gt; | Yes | Callback invoked to return a characteristic write request from the GATT client. |
**Example**
```js
let arrayBufferCCC = new ArrayBuffer(8);
let cccValue = new Uint8Array(arrayBufferCCC);
function WriteCharacteristicReq(CharacteristicWriteRequest) {
let deviceId = CharacteristicWriteRequest.deviceId;
let transId = CharacteristicWriteRequest.transId;
let offset = CharacteristicWriteRequest.offset;
let isPrepared = CharacteristicWriteRequest.isPrepared;
let needRsp = CharacteristicWriteRequest.needRsp;
let value = new Uint8Array(CharacteristicWriteRequest.value);
let characteristicUuid = CharacteristicWriteRequest.characteristicUuid;
cccValue[0] = value[0];
let serverResponse = {deviceId: deviceId, transId: transId, status: 0, offset: offset, value:arrayBufferCCC};
try {
gattServer.sendResponse(serverResponse);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
}
gattServer.on('characteristicWrite', WriteCharacteristicReq);
```
### off('characteristicWrite')
off(type: 'characteristicWrite', callback?: Callback&lt;CharacteristicWriteRequest&gt;): void
Unsubscribes from characteristic write request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **characteristicWrite**, which indicates a characteristic write request event. |
| callback | Callback&lt;[CharacteristicWriteRequest](#characteristicwriterequest)&gt; | No | Callback for the characteristic write request event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
gattServer.off('characteristicWrite');
```
### on('descriptorRead')
on(type: 'descriptorRead', callback: Callback&lt;DescriptorReadRequest&gt;): void
Subscribes to descriptor read request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | --------------------------------- |
| type | string | Yes | Event type. The value is **descriptorRead**, which indicates a descriptor read request event.|
| callback | Callback&lt;[DescriptorReadRequest](#descriptorreadrequest)&gt; | Yes | Callback invoked to return a descriptor read request event from the GATT client. |
**Example**
```js
let arrayBufferDesc = new ArrayBuffer(8);
let descValue = new Uint8Array(arrayBufferDesc);
descValue[0] = 1101;
function ReadDescriptorReq(DescriptorReadRequest) {
let deviceId = DescriptorReadRequest.deviceId;
let transId = DescriptorReadRequest.transId;
let offset = DescriptorReadRequest.offset;
let descriptorUuid = DescriptorReadRequest.descriptorUuid;
let serverResponse = {deviceId: deviceId, transId: transId, status: 0, offset: offset, value:arrayBufferDesc};
try {
gattServer.sendResponse(serverResponse);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
}
gattServer.on('descriptorRead', ReadDescriptorReq);
```
### off('descriptorRead')
off(type: 'descriptorRead', callback?: Callback&lt;DescriptorReadRequest&gt;): void
Unsubscribes from descriptor read request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **descriptorRead**, which indicates a descriptor read request event. |
| callback | Callback&lt;[DescriptorReadRequest](#descriptorreadrequest)&gt; | No | Callback for the descriptor read request event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
gattServer.off('descriptorRead');
```
### on('descriptorWrite')
on(type: 'descriptorWrite', callback: Callback&lt;DescriptorWriteRequest&gt;): void
Subscribes to descriptor write request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------- |
| type | string | Yes | Event type. The value is **descriptorWrite**, which indicates a descriptor write request event.|
| callback | Callback&lt;[DescriptorWriteRequest](#descriptorwriterequest)&gt; | Yes | Callback invoked to return a descriptor write request from the GATT client. |
**Example**
```js
let arrayBufferDesc = new ArrayBuffer(8);
let descValue = new Uint8Array(arrayBufferDesc);
function WriteDescriptorReq(DescriptorWriteRequest) {
let deviceId = DescriptorWriteRequest.deviceId;
let transId = DescriptorWriteRequest.transId;
let offset = DescriptorWriteRequest.offset;
let isPrepared = DescriptorWriteRequest.isPrepared;
let needRsp = DescriptorWriteRequest.needRsp;
let value = new Uint8Array(DescriptorWriteRequest.value);
let descriptorUuid = DescriptorWriteRequest.descriptorUuid;
descValue[0] = value[0];
let serverResponse = {deviceId: deviceId, transId: transId, status: 0, offset: offset, value:arrayBufferDesc};
try {
gattServer.sendResponse(serverResponse);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
}
gattServer.on('descriptorRead', WriteDescriptorReq);
```
### off('descriptorWrite')
off(type: 'descriptorWrite', callback?: Callback&lt;DescriptorWriteRequest&gt;): void
Unsubscribes from descriptor write request events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **descriptorWrite**, which indicates a descriptor write request event. |
| callback | Callback&lt;[DescriptorWriteRequest](#descriptorwriterequest)&gt; | No | Callback for the descriptor write request event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
gattServer.off('descriptorWrite');
```
### on('connectionStateChange')
on(type: 'connectionStateChange', callback: Callback&lt;BLEConnectionChangeState&gt;): void
Subscribes to BLE connection state change events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **connectionStateChange**, which indicates a BLE connection state change event.|
| callback | Callback&lt;[BLEConnectionChangeState](#bleconnectionchangestate)&gt; | Yes | Callback invoked to return the BLE connection state. |
**Example**
```js
function Connected(BLEConnectionChangeState) {
let deviceId = BLEConnectionChangeState.deviceId;
let status = BLEConnectionChangeState.state;
}
gattServer.on('connectionStateChange', Connected);
```
### off('connectionStateChange')
off(type: 'connectionStateChange', callback?: Callback&lt;BLEConnectionChangeState&gt;): void
Unsubscribes from BLE connection state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **connectionStateChange**, which indicates a BLE connection state change event.|
| callback | Callback&lt;[BLEConnectionChangeState](#bleconnectionchangestate)&gt; | No | Callback for the BLE connection state change event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
gattServer.off('connectionStateChange');
```
## GattClientDevice
Implements the GATT client. Before using an API of this class, you must create a **GattClientDevice** instance using **createGattClientDevice(deviceId: string)**.
### connect
connect(): void
Connects to the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.connect();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### disconnect
disconnect(): void
Disconnects from the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.disconnect();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### close
close(): void
Closes this GATT client to unregister it from the protocol stack. The closed [GattClientDevice](#gattclientdevice) instance will no longer be used.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.close();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getDeviceName
getDeviceName(callback: AsyncCallback&lt;string&gt;): void
Obtains the name of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | --------------------------- | ---- | ------------------------------- |
| callback | AsyncCallback&lt;string&gt; | Yes | Callback invoked to return the remote BLE device name obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// callback
try {
let gattClient = ble.createGattClientDevice("XX:XX:XX:XX:XX:XX");
gattClient.connect();
let deviceName = gattClient.getDeviceName((err, data)=> {
console.info('device name err ' + JSON.stringify(err));
console.info('device name' + JSON.stringify(data));
})
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getDeviceName
getDeviceName(): Promise&lt;string&gt;
Obtains the name of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| --------------------- | ---------------------------------- |
| Promise&lt;string&gt; | Promise used to return the remote BLE device name.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// promise
try {
let gattClient = ble.createGattClientDevice("XX:XX:XX:XX:XX:XX");
gattClient.connect();
let deviceName = gattClient.getDeviceName().then((data) => {
console.info('device name' + JSON.stringify(data));
})
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getServices
getServices(callback: AsyncCallback&lt;Array&lt;GattService&gt;&gt;): void
Obtains all services of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ------------------------ |
| callback | AsyncCallback&lt;Array&lt;[GattService](#gattservice)&gt;&gt; | Yes | Callback invoked to return the services obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Callback
function getServices(code, gattServices) {
if (code.code == 0) {
let services = gattServices;
console.log('bluetooth code is ' + code.code);
console.log('bluetooth services size is ', services.length);
for (let i = 0; i < services.length; i++) {
console.log('bluetooth serviceUuid is ' + services[i].serviceUuid);
}
}
}
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.connect();
device.getServices(getServices);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getServices
getServices(): Promise&lt;Array&lt;GattService&gt;&gt;
Obtains all services of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ---------------------------------------- | --------------------------- |
| Promise&lt;Array&lt;[GattService](#gattservice)&gt;&gt; | Promise used to return the services obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Promise
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.connect();
device.getServices().then(result => {
console.info('getServices successfully:' + JSON.stringify(result));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### readCharacteristicValue
readCharacteristicValue(characteristic: BLECharacteristic, callback: AsyncCallback&lt;BLECharacteristic&gt;): void
Reads the characteristic value of the specific service of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | ---------------------------------------- | ---- | ----------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | Characteristic value to read. |
| callback | AsyncCallback&lt;[BLECharacteristic](#blecharacteristic)&gt; | Yes | Callback invoked to return the characteristic value read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901000 | Read forbidden. |
|2900099 | Operation failed. |
**Example**
```js
function readCcc(code, BLECharacteristic) {
if (code.code != 0) {
return;
}
console.log('bluetooth characteristic uuid: ' + BLECharacteristic.characteristicUuid);
let value = new Uint8Array(BLECharacteristic.characteristicValue);
console.log('bluetooth characteristic value: ' + value[0] +','+ value[1]+','+ value[2]+','+ value[3]);
}
let descriptors = [];
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB', descriptorValue: bufferDesc};
descriptors[0] = descriptor;
let bufferCCC = new ArrayBuffer(8);
let cccV = new Uint8Array(bufferCCC);
cccV[0] = 1;
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
characteristicValue: bufferCCC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.readCharacteristicValue(characteristic, readCcc);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### readCharacteristicValue
readCharacteristicValue(characteristic: BLECharacteristic): Promise&lt;BLECharacteristic&gt;
Reads the characteristic value of the specific service of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | -------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | Characteristic value to read.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;[BLECharacteristic](#blecharacteristic)&gt; | Promise used to return the characteristic value read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901000 | Read forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let descriptors = [];
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB', descriptorValue: bufferDesc};
descriptors[0] = descriptor;
let bufferCCC = new ArrayBuffer(8);
let cccV = new Uint8Array(bufferCCC);
cccV[0] = 1;
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
characteristicValue: bufferCCC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.readCharacteristicValue(characteristic);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### readDescriptorValue
readDescriptorValue(descriptor: BLEDescriptor, callback: AsyncCallback&lt;BLEDescriptor&gt;): void
Reads the descriptor contained in the specific characteristic of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---------- | ---------------------------------------- | ---- | ----------------------- |
| descriptor | [BLEDescriptor](#bledescriptor) | Yes | Descriptor to read. |
| callback | AsyncCallback&lt;[BLEDescriptor](#bledescriptor)&gt; | Yes | Callback invoked to return the descriptor read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901000 | Read forbidden. |
|2900099 | Operation failed. |
**Example**
```js
function readDesc(code, BLEDescriptor) {
if (code.code != 0) {
return;
}
console.log('bluetooth descriptor uuid: ' + BLEDescriptor.descriptorUuid);
let value = new Uint8Array(BLEDescriptor.descriptorValue);
console.log('bluetooth descriptor value: ' + value[0] +','+ value[1]+','+ value[2]+','+ value[3]);
}
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {
serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB',
descriptorValue: bufferDesc
};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.readDescriptorValue(descriptor, readDesc);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### readDescriptorValue
readDescriptorValue(descriptor: BLEDescriptor): Promise&lt;BLEDescriptor&gt;
Reads the descriptor contained in the specific characteristic of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---------- | ------------------------------- | ---- | -------- |
| descriptor | [BLEDescriptor](#bledescriptor) | Yes | Descriptor to read.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;[BLEDescriptor](#bledescriptor)&gt; | Promise used to return the descriptor read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901000 | Read forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {
serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB',
descriptorValue: bufferDesc
};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.readDescriptorValue(descriptor);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### writeCharacteristicValue
writeCharacteristicValue(characteristic: BLECharacteristic, writeType: GattWriteType, callback: AsyncCallback&lt;void&gt;): void
Writes a characteristic value to the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | Binary value and other parameters of the BLE device characteristic.|
| writeType | GattWriteType | Yes | Write type of the Bluetooth device characteristic value.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the write operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901001 | Write forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let descriptors = [];
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB', descriptorValue: bufferDesc};
descriptors[0] = descriptor;
let bufferCCC = new ArrayBuffer(8);
let cccV = new Uint8Array(bufferCCC);
cccV[0] = 1;
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
characteristicValue: bufferCCC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.writeCharacteristicValue(characteristic);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### writeCharacteristicValue
writeCharacteristicValue(characteristic: BLECharacteristic, writeType: GattWriteType): Promise&lt;void&gt;
Writes a characteristic value to the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | Binary value and other parameters of the BLE device characteristic.|
| writeType | GattWriteType | Yes | Write type of the Bluetooth device characteristic value.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;void&gt; | Promise used to return the descriptor read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901001 | Write forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let descriptors = [];
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB', descriptorValue: bufferDesc};
descriptors[0] = descriptor;
let bufferCCC = new ArrayBuffer(8);
let cccV = new Uint8Array(bufferCCC);
cccV[0] = 1;
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
characteristicValue: bufferCCC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.writeCharacteristicValue(characteristic);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### writeDescriptorValue
writeDescriptorValue(descriptor: BLEDescriptor, callback: AsyncCallback&lt;void&gt;): void
Writes binary data to the specific descriptor of the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---------- | ------------------------------- | ---- | ------------------ |
| descriptor | [BLEDescriptor](#bledescriptor) | Yes | Binary value and other parameters of the BLE device descriptor.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the write operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901001 | Write forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 22;
let descriptor = {
serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB',
descriptorValue: bufferDesc
};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.writeDescriptorValue(descriptor);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### writeDescriptorValue
writeDescriptorValue(descriptor: BLEDescriptor): Promise&lt;void&gt;
Writes binary data to the specific descriptor of the remote BLE device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---------- | ------------------------------- | ---- | ------------------ |
| descriptor | [BLEDescriptor](#bledescriptor) | Yes | Binary value and other parameters of the BLE device descriptor.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;void&gt; | Promise used to return the descriptor read.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2901001 | Write forbidden. |
|2900099 | Operation failed. |
**Example**
```js
let bufferDesc = new ArrayBuffer(8);
let descV = new Uint8Array(bufferDesc);
descV[0] = 22;
let descriptor = {
serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002903-0000-1000-8000-00805F9B34FB',
descriptorValue: bufferDesc
};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.writeDescriptorValue(descriptor);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getRssiValue
getRssiValue(callback: AsyncCallback&lt;number&gt;): void
Obtains the RSSI of the remote BLE device. This API uses an asynchronous callback to return the result. It can be used only after a connection is set up by calling [connect](#connect).
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | --------------------------- | ---- | ------------------------------ |
| callback | AsyncCallback&lt;number&gt; | Yes | Callback invoked to return the RSSI, in dBm.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
// callback
try {
let gattClient = ble.createGattClientDevice("XX:XX:XX:XX:XX:XX");
gattClient.connect();
let rssi = gattClient.getRssiValue((err, data)=> {
console.info('rssi err ' + JSON.stringify(err));
console.info('rssi value' + JSON.stringify(data));
})
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### getRssiValue
getRssiValue(): Promise&lt;number&gt;
Obtains the RSSI of the remote BLE device. This API uses a promise to return the result. It can be used only after a connection is set up by calling [connect](#connect).
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| --------------------- | --------------------------------- |
| Promise&lt;number&gt; | Promise used to return the RSSI, in dBm.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
// promise
try {
let gattClient = ble.createGattClientDevice("XX:XX:XX:XX:XX:XX");
let rssi = gattClient.getRssiValue().then((data) => {
console.info('rssi' + JSON.stringify(data));
})
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setBLEMtuSize
setBLEMtuSize(mtu: number): void
Sets the maximum transmission unit (MTU) that can be transmitted between the GATT client and its remote BLE device. This API can be used only after a connection is set up by calling [connect](#connect).
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---- | ------ | ---- | -------------- |
| mtu | number | Yes | MTU to set, which ranges from 22 to 512 bytes.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.setBLEMtuSize(128);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setCharacteristicChangeNotification
setCharacteristicChangeNotification(characteristic: BLECharacteristic, enable: boolean, callback: AsyncCallback&lt;void&gt;): void
Sets the function of notifying the GATT client when the characteristic value of the remote BLE device changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ----------------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | BLE characteristic to listen for. |
| enable | boolean | Yes | Whether to enable the notify function. The value **true** means to enable the notify function, and the value **false** means the opposite.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Create descriptors.
let descriptors = [];
let arrayBuffer = new ArrayBuffer(8);
let descV = new Uint8Array(arrayBuffer);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002902-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
descriptors[0] = descriptor;
let arrayBufferC = new ArrayBuffer(8);
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.setCharacteristicChangeNotification(characteristic, false);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setCharacteristicChangeNotification
setCharacteristicChangeNotification(characteristic: BLECharacteristic, enable: boolean): Promise&lt;void&gt;
Sets the function of notifying the GATT client when the characteristic value of the remote BLE device changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ----------------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | BLE characteristic to listen for. |
| enable | boolean | Yes | Whether to enable the notify function. The value **true** means to enable the notify function, and the value **false** means the opposite.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Create descriptors.
let descriptors = [];
let arrayBuffer = new ArrayBuffer(8);
let descV = new Uint8Array(arrayBuffer);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002902-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
descriptors[0] = descriptor;
let arrayBufferC = new ArrayBuffer(8);
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.setCharacteristicChangeNotification(characteristic, false);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setCharacteristicChangeIndication
setCharacteristicChangeIndication(characteristic: BLECharacteristic, enable: boolean, callback: AsyncCallback&lt;void&gt;): void
Sets the function of notifying the GATT client when the characteristic value of the remote BLE device changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ----------------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | BLE characteristic to listen for. |
| enable | boolean | Yes | Whether to enable the notify function. The value **true** means to enable the notify function, and the value **false** means the opposite.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Create descriptors.
let descriptors = [];
let arrayBuffer = new ArrayBuffer(8);
let descV = new Uint8Array(arrayBuffer);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002902-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
descriptors[0] = descriptor;
let arrayBufferC = new ArrayBuffer(8);
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.setCharacteristicChangeIndication(characteristic, false);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setCharacteristicChangeIndication
setCharacteristicChangeIndication(characteristic: BLECharacteristic, enable: boolean): Promise&lt;void&gt;
Sets the function of notifying the GATT client when the characteristic value of the remote BLE device changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | --------------------------------------- | ---- | ----------------------------- |
| characteristic | [BLECharacteristic](#blecharacteristic) | Yes | BLE characteristic to listen for. |
| enable | boolean | Yes | Whether to enable the notify function. The value **true** means to enable the notify function, and the value **false** means the opposite.|
**Return value**
| Type | Description |
| ---------------------------------------- | -------------------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
// Create descriptors.
let descriptors = [];
let arrayBuffer = new ArrayBuffer(8);
let descV = new Uint8Array(arrayBuffer);
descV[0] = 11;
let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
descriptorUuid: '00002902-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
descriptors[0] = descriptor;
let arrayBufferC = new ArrayBuffer(8);
let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.setCharacteristicChangeIndication(characteristic, false);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### on('BLECharacteristicChange')
on(type: 'BLECharacteristicChange', callback: Callback&lt;BLECharacteristic&gt;): void
Subscribes to BLE characteristic changes. The client can receive a notification from the server only after the **setNotifyCharacteristicChanged** method is called.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **BLECharacteristicChange** indicates a characteristic value change event.|
| callback | Callback&lt;[BLECharacteristic](#blecharacteristic)&gt; | Yes | Callback invoked to return the characteristic value changes. |
**Example**
```js
function CharacteristicChange(CharacteristicChangeReq) {
let serviceUuid = CharacteristicChangeReq.serviceUuid;
let characteristicUuid = CharacteristicChangeReq.characteristicUuid;
let value = new Uint8Array(CharacteristicChangeReq.characteristicValue);
}
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.on('BLECharacteristicChange', CharacteristicChange);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### off('BLECharacteristicChange')
off(type: 'BLECharacteristicChange', callback?: Callback&lt;BLECharacteristic&gt;): void
Unsubscribes from BLE characteristic change events.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **BLECharacteristicChange** indicates a characteristic value change event.|
| callback | Callback&lt;[BLECharacteristic](#blecharacteristic)&gt; | No | Callback for the characteristic value change event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.off('BLECharacteristicChange');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### on('BLEConnectionStateChange')
on(type: 'BLEConnectionStateChange', callback: Callback&lt;BLEConnectionChangeState&gt;): void
Subscribes to BLE connection state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **BLEConnectionStateChange** indicates a BLE connection state change event.|
| callback | Callback&lt;[BLEConnectionChangeState](#bleconnectionchangestate)&gt; | Yes | Callback invoked to return the BLE connection state. |
**Example**
```js
function ConnectStateChanged(state) {
console.log('bluetooth connect state changed');
let connectState = state.state;
}
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.on('BLEConnectionStateChange', ConnectStateChanged);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### off('BLEConnectionStateChange')
off(type: 'BLEConnectionStateChange', callback?: Callback&lt;BLEConnectionChangeState&gt;): void
Unsubscribes from BLE connection state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **BLEConnectionStateChange** indicates a BLE connection state change event.|
| callback | Callback&lt;[BLEConnectionChangeState](#bleconnectionchangestate)&gt; | No | Callback for the BLE connection state change event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.off('BLEConnectionStateChange');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### on('BLEMtuChange')
on(type: 'BLEMtuChange', callback: Callback&lt;number&gt;): void
Subscribes to MTU status changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **BLEMtuChange**, which indicates a MTU status change event.|
| callback | Callback&lt;number&gt; | Yes | Callback invoked to return the MTU status, which can be connected or disconnected.|
**Example**
```js
try {
let gattClient = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
gattClient.on('BLEMtuChange', (mtu) => {
console.info('BLEMtuChange, mtu: ' + mtu);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### off('BLEMtuChange')
off(type: 'BLEMtuChange', callback?: Callback&lt;number&gt;): void
Unsubscribes from MTU status changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **BLEMtuChange**, which indicates a MTU status change event.|
| callback | Callback&lt;number&gt; | No | Callback for MTU status changes. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Example**
```js
try {
let device = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
device.off('BLEMtuChange');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## GattService
Defines the GATT service API parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| --------------- | ---------------------------------------- | ---- | ---- | ---------------------------------------- |
| serviceUuid | string | Yes | Yes | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
| isPrimary | boolean | Yes | Yes | Whether the service is a primary service. The value **true** means a primary service. |
| characteristics | Array&lt;[BLECharacteristic](#blecharacteristic)&gt; | Yes | Yes | List of characteristics of the service. |
| includeServices | Array&lt;[GattService](#gattservice)&gt; | Yes | Yes | Services on which the service depends. |
## BLECharacteristic
Defines the characteristic API parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------- | ---------------------------------------- | ---- | ---- | ---------------------------------------- |
| serviceUuid | string | Yes | Yes | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
| characteristicUuid | string | Yes | Yes | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| characteristicValue | ArrayBuffer | Yes | Yes | Binary value of the characteristic. |
| descriptors | Array&lt;[BLEDescriptor](#bledescriptor)&gt; | Yes | Yes | List of descriptors of the characteristic. |
| properties | [GattProperties](#gattproperties) | Yes | Yes | Properties of the characteristic. |
## BLEDescriptor
Defines the BLE descriptor.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------ | ----------- | ---- | ---- | ---------------------------------------- |
| serviceUuid | string | Yes | Yes | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
| characteristicUuid | string | Yes | Yes | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| descriptorUuid | string | Yes | Yes | UUID of the descriptor, for example, **00002902-0000-1000-8000-00805f9b34fb**.|
| descriptorValue | ArrayBuffer | Yes | Yes | Binary value of the descriptor. |
## NotifyCharacteristic
Defines the parameters in the notifications sent when the server characteristic value changes.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------- | ----------- | ---- | ---- | ---------------------------------------- |
| serviceUuid | string | Yes | Yes | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
| characteristicUuid | string | Yes | Yes | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| characteristicValue | ArrayBuffer | Yes | Yes | Binary value of the characteristic. |
| confirm | boolean | Yes | Yes | Whether the notification needs to be confirmed by the remote end. For a notification, set it to **true**. In this case, the remote end must confirm the receipt of the notification. For an indication, set it to **false**. In this case, the remote end does not need to confirm the receipt of the notification.|
## CharacteristicReadRequest
Defines the parameters of the **CharacteristicReadReq** event received by the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------ | ------ | ---- | ---- | ---------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device that sends the **CharacteristicReadReq** event, for example, XX:XX:XX:XX:XX:XX.|
| transId | number | Yes | No | Transmission ID of the read request. The response returned by the server must use the same transmission ID. |
| offset | number | Yes | No | Position from which the characteristic value is read. For example, **k** means to read from the kth byte. The response returned by the server must use the same offset.|
| characteristicUuid | string | Yes | No | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## CharacteristicWriteRequest
Defines the parameters of the **CharacteristicWriteReq** event received by the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------ | ------ | ---- | ---- | ---------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device that sends the **CharacteristicWriteReq** event, for example, XX:XX:XX:XX:XX:XX.|
| transId | number | Yes | No | Transmission ID of the write request. The response returned by the server must use the same transmission ID. |
| offset | number | Yes | No | Start position for writing the characteristic value. For example, **k** means to write from the kth byte. The response returned by the server must use the same offset.|
| isPrepared | boolean | Yes | No | Whether the write request is executed immediately.|
| needRsp | boolean | Yes | No | Whether to send a response to the GATT client.|
| value | ArrayBuffer | Yes | No | Binary value of the descriptor to write.|
| characteristicUuid | string | Yes | No | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## DescriptorReadRequest
Defines the parameters of the **DescriptorReadReq** event received by the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------ | ------ | ---- | ---- | ---------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device that sends a **DescriptorReadReq** event, for example, XX:XX:XX:XX:XX:XX.|
| transId | number | Yes | No | Transmission ID of the read request. The response returned by the server must use the same transmission ID. |
| offset | number | Yes | No | Position from which the descriptor is read. For example, **k** means to read from the kth byte. The response returned by the server must use the same offset.|
| descriptorUuid | string | Yes | No | UUID of the descriptor, for example, **00002902-0000-1000-8000-00805f9b34fb**.|
| characteristicUuid | string | Yes | No | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## DescriptorWriteRequest
Defines the parameters of the **DescriptorWriteReq** event received by the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------------ | ----------- | ---- | ---- | ---------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device that sends a **DescriptorWriteReq** event, for example, XX:XX:XX:XX:XX:XX.|
| transId | number | Yes | No | Transmission ID of the write request. The response returned by the server must use the same transmission ID. |
| offset | number | Yes | No | Start position for writing the descriptor. For example, **k** means to write from the kth byte. The response returned by the server must use the same offset.|
| isPrepared | boolean | Yes | No | Whether the write request is executed immediately. |
| needRsp | boolean | Yes | No | Whether to send a response to the GATT client. |
| value | ArrayBuffer | Yes | No | Binary value of the descriptor to write. |
| descriptorUuid | string | Yes | No | UUID of the descriptor, for example, **00002902-0000-1000-8000-00805f9b34fb**.|
| characteristicUuid | string | Yes | No | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## ServerResponse
Defines the parameters of the server's response to the GATT client's read/write request.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| -------- | ----------- | ---- | ---- | -------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device, for example, XX:XX:XX:XX:XX:XX. |
| transId | number | Yes | No | Transmission ID of the request. The value must be the same as the ID carried in the read/write request received. |
| status | number | Yes | No | Response state. Set this parameter to **0**, which indicates a normal response. |
| offset | number | Yes | No | Start read/write position. The value must be the same as the offset carried in the read/write request.|
| value | ArrayBuffer | Yes | No | Binary data in the response. |
## BLEConnectionChangeState
Defines the parameters of **BLEConnectChangedState**.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
| -------- | ------------------------------------------------- | ---- | ---- | --------------------------------------------- |
| deviceId | string | Yes | No | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| state | [ProfileConnectionState](js-apis-bluetooth-constant.md#profileconnectionstate) | Yes | Yes | BLE connection state. |
## ScanResult
Defines the scan result.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| -------- | ----------- | ---- | ---- | ---------------------------------- |
| deviceId | string | Yes | No | Address of the scanned device, for example, XX:XX:XX:XX:XX:XX.|
| rssi | number | Yes | No | RSSI of the device. |
| data | ArrayBuffer | Yes | No | Advertisement packets sent by the device. |
| deviceName | string | Yes | No | Name of the device detected. |
| connectable | boolean | Yes | No | Whether the discovered device is connectable. |
## AdvertiseSetting
Defines the BLE advertising parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ----------- | ------- | ---- | ---- | ---------------------------------------- |
| interval | number | Yes | Yes | Interval for BLE advertising. The minimum value is **32** slots (20 ms). The maximum value is **16384** slots. The default value is **1600** slots (1s).|
| txPower | number | Yes | Yes | Transmit power, in dBm. The value range is -127 to 1. The default value is **-7**. |
| connectable | boolean | Yes | Yes | Whether the advertisement is connectable. The default value is **true**. |
## AdvertiseData
Defines the content of a BLE advertisement packet.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| --------------- | ---------------------------------------- | ---- | ---- | --------------------------- |
| serviceUuids | Array&lt;string&gt; | Yes | Yes | List of service UUIDs to broadcast.|
| manufactureData | Array&lt;[ManufactureData](#manufacturedata)&gt; | Yes | Yes | List of manufacturers to broadcast. |
| serviceData | Array&lt;[ServiceData](#servicedata)&gt; | Yes | Yes | List of service data to broadcast. |
| includeDeviceName | boolean | Yes | Yes | Whether the device name is contained. This parameter is optional. |
## ManufactureData
Defines the content of a BLE advertisement packet.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ---------------- | ------------------- | ---- | ---- | ------------------ |
| manufactureId | number | Yes | Yes | Manufacturer ID allocated by the Bluetooth SIG.|
| manufactureValue | ArrayBuffer | Yes | Yes | Manufacturer data. |
## ServiceData
Defines the service data contained in an advertisement packet.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------------ | ----------- | ---- | ---- | ---------- |
| serviceUuid | string | Yes | Yes | Service UUID.|
| serviceValue | ArrayBuffer | Yes | Yes | Service data. |
## ScanFilter
Defines the scan filter parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
| ---------------------------------------- | ----------- | ---- | ---- | ------------------------------------------------------------ |
| deviceId | string | Yes | Yes | Address of the BLE device to filter, for example, XX:XX:XX:XX:XX:XX. |
| name | string | Yes | Yes | Name of the BLE device to filter. |
| serviceUuid | string | Yes | Yes | Service UUID of the device to filter, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
| serviceUuidMask | string | Yes | Yes | Service UUID mask of the device to filter, for example, **FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF**.|
| serviceSolicitationUuid | string | Yes | Yes | Service solicitation UUID of the device to filter, for example, **00001888-0000-1000-8000-00805F9B34FB**.|
| serviceSolicitationUuidMask | string | Yes | Yes | Service solicitation UUID mask of the device to filter, for example, **FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF**.|
| serviceData | ArrayBuffer | Yes | Yes | Service data of the device to filter, for example, **[0x90, 0x00, 0xF1, 0xF2]**.|
| serviceDataMask | ArrayBuffer | Yes | Yes | Service data mask of the device to filter, for example, **[0xFF,0xFF,0xFF,0xFF]**.|
| manufactureId | number | Yes | Yes | Manufacturer ID of the device to filter, for example, **0x0006**. |
| manufactureData | ArrayBuffer | Yes | Yes | Manufacturer data of the device to filter, for example, **[0x1F,0x2F,0x3F]**.|
| manufactureDataMask | ArrayBuffer | Yes | Yes | Manufacturer data mask of the device to filter, for example, **[0xFF, 0xFF, 0xFF]**.|
## ScanOptions
Defines the scan configuration parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| --------- | ----------------------- | ---- | ---- | -------------------------------------- |
| interval | number | Yes | Yes | Delay in reporting the scan result. The default value is **0**. |
| dutyMode | [ScanDuty](#scanduty) | Yes | Yes | Scan duty. The default value is SCAN_MODE_LOW_POWER. |
| matchMode | [MatchMode](#matchmode) | Yes | Yes | Hardware filtering match mode. The default value is **MATCH_MODE_AGGRESSIVE**.|
## GattProperties<a name="GattProperties"></a>
Defines the properties of a GATT characteristic.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Mandatory | Description |
| -------- | ------ |---- | ----------- |
| write | boolean | Yes | Permits writes of the characteristic value (with a response).|
| writeNoResponse | boolean | Yes | Permits writes of the characteristic value (without a response).|
| read | boolean | Yes | Permits reads of the characteristic value.|
| notify | boolean | Yes | Permits notifications of the characteristic value.|
| indicate | boolean | Yes | Permits notifications of the characteristic value without acknowledgement.|
## GattWriteType<a name="GattWriteType"></a>
Enumerates the GATT write types.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ------------------------------------| ------ | --------------- |
| WRITE | 1 | Write a characteristic value with a response from the peer device. |
| WRITE_NO_RESPONSE | 2 | Write characteristic value without a response from the peer device. |
## ScanDuty
Enumerates the scan duties.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| --------------------- | ---- | ------------ |
| SCAN_MODE_LOW_POWER | 0 | Low-power mode, which is the default value.|
| SCAN_MODE_BALANCED | 1 | Balanced mode. |
| SCAN_MODE_LOW_LATENCY | 2 | Low-latency mode. |
## MatchMode
Enumerates the hardware match modes of BLE scan filters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| --------------------- | ---- | ---------------------------------------- |
| MATCH_MODE_AGGRESSIVE | 1 | Hardware reports the scan result with a lower threshold of signal strength and few number of matches in a duration. This is the default value.|
| MATCH_MODE_STICKY | 2 | Hardware reports the scan result with a higher threshold of signal strength and sightings. |
# @ohos.bluetooth.connection (Bluetooth connection Module)
The **connection** module provides APIs for operating and managing Bluetooth.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import connection from '@ohos.bluetooth.connection';
```
## connection.pairDevice<a name="pairDevice"></a>
pairDevice(deviceId: string, callback: AsyncCallback&lt;void&gt;): void
Pairs a Bluetooth device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the pairing is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
// The address can be scanned.
connection.pairDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.pairDevice<a name="pairDevice"></a>
pairDevice(deviceId: string): Promise&lt;void&gt;
Pairs a Bluetooth device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
// The address can be scanned.
connection.pairDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.pairCredibleDevice
pairCredibleDevice(deviceId: string, transport: BluetoothTransport, callback: AsyncCallback&lt;void&gt;): void
Pairs a trusted device whose address is obtained in a non-Bluetooth scan mode (such as using NFC). This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
| transport | [BluetoothTransport](#bluetoothtransport) | Yes | Device type, for example, a classic Bluetooth device or a Bluetooth low energy (BLE) device.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.pairCredibleDevice('68:13:24:79:4C:8C', 1, err => {
if (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
return;
}
console.info('pairCredibleDevice, err: ' + JSON.stringify(err));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.pairCredibleDevice
pairCredibleDevice(deviceId: string, transport: BluetoothTransport): Promise&lt;void&gt;
Pairs a trusted device whose address is obtained in a non-Bluetooth scan mode (such as using NFC). This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
| transport | [BluetoothTransport](#bluetoothtransport) | Yes | Device type, for example, a classic Bluetooth device or a BLE device.|
**Return value**
| Type | Description |
| ------------------------------------------------- | ------------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.pairCredibleDevice('68:13:24:79:4C:8C', 0).then(() => {
console.info('PairCredibleDevice');
}, err => {
console.error('PairCredibleDevice:errCode' + err.code + ', errMessage: ' + err.message);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.cancelPairedDevice<a name="cancelPairedDevice"></a>
cancelPairedDevice(deviceId: string, callback: AsyncCallback&lt;void&gt;): void
Cancels a paired device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ------------------------------------- |
| deviceId | string | Yes | Address of the device to cancel, for example, XX:XX:XX:XX:XX:XX.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.cancelPairedDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.cancelPairedDevice<a name="cancelPairedDevice"></a>
cancelPairedDevice(deviceId: string): Promise&lt;void&gt;
Cancels a paired device. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ------------------------------------- |
| deviceId | string | Yes | Address of the device to cancel, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.cancelPairedDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.cancelPairingDevice<a name="cancelPairingDevice"></a>
cancelPairingDevice(deviceId: string, callback: AsyncCallback&lt;void&gt;): void
Cancels the pairing of a device. This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ------------------------------------- |
| deviceId | string | Yes | Address of the device to cancel, for example, XX:XX:XX:XX:XX:XX.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.cancelPairingDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.cancelPairingDevice<a name="cancelPairingDevice"></a>
cancelPairingDevice(deviceId: string): Promise&lt;void&gt;
Cancels the pairing of a device. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ------------------------------------- |
| deviceId | string | Yes | Address of the device to cancel, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.cancelPairingDevice('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getRemoteDeviceName<a name="getRemoteDeviceName"></a>
getRemoteDeviceName(deviceId: string): string
Obtains the name of a remote Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | --------------------------------- |
| deviceId | string | Yes | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------ | ------------- |
| string | Device name (a string) obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let remoteDeviceName = connection.getRemoteDeviceName('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getRemoteDeviceClass<a name="getRemoteDeviceClass"></a>
getRemoteDeviceClass(deviceId: string): DeviceClass
Obtains the class of a remote Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | --------------------------------- |
| deviceId | string | Yes | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| --------------------------- | -------- |
| [DeviceClass](#deviceclass) | Class of the remote device obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let remoteDeviceClass = connection.getRemoteDeviceClass('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getLocalName<a name="getLocalName"></a>
getLocalName(): string
Obtains the name of the local Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ------ | --------- |
| string | Name of the local Bluetooth device obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
try {
let localName = connection.getLocalName();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getPairedDevices<a name="getPairedDevices"></a>
getPairedDevices(): Array&lt;string&gt;
Obtains the paired devices.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Array&lt;string&gt; | Addresses of the paired Bluetooth devices obtained. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let devices = connection.getPairedDevices();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getProfileConnectionState<a name="getProfileConnectionState"></a>
getProfileConnectionState(profileId?: ProfileId): ProfileConnectionState
Obtains the connection state of the specified profile.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| --------- | --------- | ---- | ------------------------------------- |
| ProfileId | [profileId](js-apis-bluetooth-constant.md#profileid) | No | ID of the target profile, for example, **PROFILE_A2DP_SOURCE**.|
**Return value**
| Type | Description |
| ------------------------------------------------- | ------------------- |
| [ProfileConnectionState](js-apis-bluetooth-constant.md#profileconnectionstate) | Profile connection state obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
import constant from '@ohos.bluetooth.constant';
try {
let result = connection.getProfileConnectionState(constant.ProfileId.PROFILE_A2DP_SOURCE);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.setDevicePairingConfirmation<a name="setDevicePairingConfirmation"></a>
setDevicePairingConfirmation(deviceId: string, accept: boolean): void
Sets the device pairing confirmation.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------- | ---- | -------------------------------- |
| deviceId | string | Yes | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| accept | boolean | Yes | Whether to accept the pairing request. The value **true** means to accept the pairing request, and the value **false** means the opposite. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
// Subscribe to the pinRequired event and configure the pairing confirmation after receiving a pairing request from the remote device.
function onReceivePinRequiredEvent(data) { // data is the input parameter for the pairing request.
console.info('pin required = '+ JSON.stringify(data));
connection.setDevicePairingConfirmation(data.deviceId, true);
}
connection.on('pinRequired', onReceivePinRequiredEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.setDevicePinCode<a name="setDevicePinCode"></a>
setDevicePinCode(deviceId: string, code: string, callback: AsyncCallback&lt;void&gt;): void
Sets the PIN for the device when [PinType](#pintype) is **PIN_TYPE_ENTER_PIN_CODE** or **PIN_TYPE_PIN_16_DIGITS**. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------- | ---- | -------------------------------- |
| deviceId | string | Yes | MAC address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| code | string | Yes | PIN to set. |
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
//callback
try {
connection.setDevicePinCode('11:22:33:44:55:66', '12345', (err, data) => {
console.info('setDevicePinCode,device name err:' + JSON.stringify(err) + ',device name:' + JSON.stringify(data));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.setDevicePinCode<a name="setDevicePinCode-1"></a>
setDevicePinCode(deviceId: string, code: string): Promise&lt;void&gt;
Sets the PIN for the device when [PinType](#pintype) is **PIN_TYPE_ENTER_PIN_CODE** or **PIN_TYPE_PIN_16_DIGITS**. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------- | ---- | -------------------------------- |
| deviceId | string | Yes | MAC address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| code | string | Yes | PIN to set. |
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
//promise
try {
connection.setDevicePinCode('11:22:33:44:55:66', '12345').then(() => {
console.info('setDevicePinCode');
}, error => {
console.info('setDevicePinCode: errCode:' + error.code + ',errMessage' + error.message);
})
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.setLocalName<a name="setLocalName"></a>
setLocalName(name: string): void
Sets the name of the local Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ---- | ------ | ---- | --------------------- |
| name | string | Yes | Bluetooth device name to set. It cannot exceed 248 bytes.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.setLocalName('device_name');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.setBluetoothScanMode<a name="setBluetoothScanMode"></a>
setBluetoothScanMode(mode: ScanMode, duration: number): void
Sets the Bluetooth scan mode so that the device can be discovered by a remote device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | --------------------- | ---- | ---------------------------- |
| mode | [ScanMode](#scanmode) | Yes | Bluetooth scan mode to set. |
| duration | number | Yes | Duration (in ms) in which the device can be discovered. The value **0** indicates unlimited time.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
// The device can be discovered and connected only when the discoverable and connectable mode is used.
connection.setBluetoothScanMode(connection.ScanMode.SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE, 100);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getBluetoothScanMode<a name="getBluetoothScanMode"></a>
getBluetoothScanMode(): ScanMode
Obtains the Bluetooth scan mode.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| --------------------- | ------- |
| [ScanMode](#scanmode) | Bluetooth scan mode obtained. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
let scanMode = connection.getBluetoothScanMode();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.startBluetoothDiscovery<a name="startBluetoothDiscovery"></a>
startBluetoothDiscovery(): void
Starts discovery of Bluetooth devices.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
let deviceId;
function onReceiveEvent(data) {
deviceId = data;
}
try {
connection.on('bluetoothDeviceFind', onReceiveEvent);
connection.startBluetoothDiscovery();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.stopBluetoothDiscovery<a name="stopBluetoothDiscovery"></a>
stopBluetoothDiscovery(): void
Stops discovery of Bluetooth devices.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.stopBluetoothDiscovery();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getLocalProfileUuids<a name="getLocalProfileUuids"></a>
getLocalProfileUuids(callback: AsyncCallback&lt;Array&lt;ProfileUuids&gt;&gt;): void
Obtains the profile UUIDs of the local device. This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| callback | AsyncCallback&lt;Array&lt;[ProfileUuids](js-apis-bluetooth-constant.md#profileuuids)&gt;&gt; | Yes | Callback invoked to return the profile UUIDs obtained. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.getLocalProfileUuids('XX:XX:XX:XX:XX:XX', (err, data) => {
console.info('getLocalProfileUuids, err: ' + JSON.stringify(err) + ', data: ' + JSON.stringify(data));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getLocalProfileUuids<a name="getLocalProfileUuids"></a>
getLocalProfileUuids(): Promise&lt;Array&lt;ProfileUuids&gt;&gt;
Obtains the profile UUIDs of the local device. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;Array&lt;[ProfileUuids](js-apis-bluetooth-constant.md#profileuuids)&gt;&gt; | Promise used to return the profile UUIDs obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.getLocalProfileUuids('XX:XX:XX:XX:XX:XX').then(() => {
console.info('getLocalProfileUuids');
}, err => {
console.error('getLocalProfileUuids: errCode' + err.code + ', errMessage: ' + err.message);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getRemoteProfileUuids<a name="getRemoteProfileUuids"></a>
getRemoteProfileUuids(deviceId: string, callback: AsyncCallback&lt;Array&lt;ProfileUuids&gt;&gt;): void
Obtains the profile UUIDs of a remote Bluetooth device. This API uses an asynchronous callback to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
| callback | AsyncCallback&lt;Array&lt;[ProfileUuids](js-apis-bluetooth-constant.md#profileuuids)&gt;&gt; | Yes | Callback invoked to return the profile UUIDs obtained. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.getRemoteProfileUuids('XX:XX:XX:XX:XX:XX', (err, data) => {
console.info('getRemoteProfileUuids, err: ' + JSON.stringify(err) + ', data: ' + JSON.stringify(data));
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.getRemoteProfileUuids<a name="getRemoteProfileUuids"></a>
getRemoteProfileUuids(deviceId: string): Promise&lt;Array&lt;ProfileUuids&gt;&gt;
Obtains the profile UUIDs of a remote Bluetooth device. This API uses a promise to return the result.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the device to pair, for example, XX:XX:XX:XX:XX:XX.|
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;Array&lt;[ProfileUuids](js-apis-bluetooth-constant.md#profileuuids)&gt;&gt; | Promise used to return the profile UUIDs obtained.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
connection.getRemoteProfileUuids('XX:XX:XX:XX:XX:XX').then(() => {
console.info('getRemoteProfileUuids');
}, err => {
console.error('getRemoteProfileUuids: errCode' + err.code + ', errMessage: ' + err.message);
});
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.on('bluetoothDeviceFind')
on(type: 'bluetoothDeviceFind', callback: Callback&lt;Array&lt;string&gt;&gt;): void
Subscribes to the discovery of a Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ----------------------------------- | ---- | -------------------------------------- |
| type | string | Yes | Event type. The value is **bluetoothDeviceFind**, which indicates an event of discovering a Bluetooth device.|
| callback | Callback&lt;Array&lt;string&gt;&gt; | Yes | Callback invoked to return the discovered devices. You need to implement this callback. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) { // data is a set of Bluetooth device addresses.
console.info('bluetooth device find = '+ JSON.stringify(data));
}
try {
connection.on('bluetoothDeviceFind', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.off('bluetoothDeviceFind')
off(type: 'bluetoothDeviceFind', callback?: Callback&lt;Array&lt;string&gt;&gt;): void
Unsubscribes from the discovery of a Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ----------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **bluetoothDeviceFind**, which indicates an event of discovering a Bluetooth device. |
| callback | Callback&lt;Array&lt;string&gt;&gt; | No | Callback for the **bluetoothDeviceFind** event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bluetooth device find = '+ JSON.stringify(data));
}
try {
connection.on('bluetoothDeviceFind', onReceiveEvent);
connection.off('bluetoothDeviceFind', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.on('bondStateChange')
on(type: 'bondStateChange', callback: Callback&lt;BondStateParam&gt;): void
Subscribes to Bluetooth pairing state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ------------------------------------ |
| type | string | Yes | Event type. The value is **bondStateChange**, which indicates a Bluetooth pairing state change event.|
| callback | Callback&lt;[BondStateParam](#BondStateParam)&gt; | Yes | Callback invoked to return the pairing state. You need to implement this callback. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) { // data, as the input parameter of the callback, indicates the pairing state.
console.info('pair state = '+ JSON.stringify(data));
}
try {
connection.on('bondStateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.off('bondStateChange')
off(type: 'bondStateChange', callback?: Callback&lt;BondStateParam&gt;): void
Unsubscribes from Bluetooth pairing state changes.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **bondStateChange**, which indicates a Bluetooth pairing state change event. |
| callback | Callback&lt;[BondStateParam](#BondStateParam)&gt; | No | Callback for the change of the Bluetooth pairing state. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('bond state = '+ JSON.stringify(data));
}
try {
connection.on('bondStateChange', onReceiveEvent);
connection.off('bondStateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.on('pinRequired')
on(type: 'pinRequired', callback: Callback&lt;PinRequiredParam&gt;): void
Subscribes to the pairing request events of the remote Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | -------------------------------- |
| type | string | Yes | Event type. The value **pinRequired** indicates a pairing request event. |
| callback | Callback&lt;[PinRequiredParam](#pinrequiredparam)&gt; | Yes | Callback invoked to return the pairing request. You need to implement this callback.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) { // data is the pairing request parameter.
console.info('pin required = '+ JSON.stringify(data));
}
try {
connection.on('pinRequired', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## connection.off('pinRequired')
off(type: 'pinRequired', callback?: Callback&lt;PinRequiredParam&gt;): void
Unsubscribes from the pairing request events of the remote Bluetooth device.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **pinRequired** indicates a pairing request event. |
| callback | Callback&lt;[PinRequiredParam](#pinrequiredparam)&gt; | No | Callback for the Bluetooth pairing request event. The input parameter is the pairing request parameter. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900099 | Operation failed. |
**Example**
```js
function onReceiveEvent(data) {
console.info('pin required = '+ JSON.stringify(data));
}
try {
connection.on('pinRequired', onReceiveEvent);
connection.off('pinRequired', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## BondStateParam<a name="BondStateParam"></a>
Represents the pairing state parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| -------- | ------ | ---- | ---- | ----------- |
| deviceId | string | Yes | No | ID of the device to pair.|
| state | BondState | Yes | No | State of the device.|
## PinRequiredParam<a name="PinRequiredParam"></a>
Represents the pairing request parameters.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| -------- | ------ | ---- | ---- | ----------- |
| deviceId | string | Yes | No | ID of the device to pair.|
| pinCode | string | Yes | No | Key for the device pairing. |
| pinType | [PinType](#pintype) | Yes | No | Type of the device to pair.<br>This is a system API. |
## DeviceClass<a name="DeviceClass"></a>
Represents the class of a Bluetooth device.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| --------------- | ----------------------------------- | ---- | ---- | ---------------- |
| majorClass | [MajorClass](js-apis-bluetooth-constant.md#majorclass) | Yes | No | Major class of the Bluetooth device. |
| majorMinorClass | [MajorMinorClass](js-apis-bluetooth-constant.md#majorminorclass) | Yes | No | Major and minor classes of the Bluetooth device.|
| classOfDevice | number | Yes | No | Class of the device. |
## BluetoothTransport<a name="BluetoothTransport"></a>
Enumerates the device types.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| TRANSPORT_BR_EDR | 0 | Classic Bluetooth (BR/EDR) device, which is the default value. |
| TRANSPORT_LE | 1 | BLE device. |
## ScanMode<a name="ScanMode"></a>
Enumerates the scan modes.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ---------------------------------------- | ---- | --------------- |
| SCAN_MODE_NONE | 0 | No scan mode. |
| SCAN_MODE_CONNECTABLE | 1 | Connectable mode. |
| SCAN_MODE_GENERAL_DISCOVERABLE | 2 | General discoverable mode. |
| SCAN_MODE_LIMITED_DISCOVERABLE | 3 | Limited discoverable mode. |
| SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE | 4 | General connectable and discoverable mode.|
| SCAN_MODE_CONNECTABLE_LIMITED_DISCOVERABLE | 5 | Limited connectable and discoverable mode.|
## BondState<a name="BondState"></a>
Enumerates the pairing states.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ------------------ | ---- | ------ |
| BOND_STATE_INVALID | 0 | Invalid pairing.|
| BOND_STATE_BONDING | 1 | Pairing. |
| BOND_STATE_BONDED | 2 | Paired. |
## PinType<a name="PinType"></a>
Enumerates the Bluetooth pairing types.
**System API**: This is a system API.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| PIN_TYPE_ENTER_PIN_CODE | 0 | The user needs to enter the PIN displayed on the peer device.<br>This is a system API.|
| PIN_TYPE_ENTER_PASSKEY | 1 | The user needs to enter the PASSKEY displayed on the peer device.<br>This is a system API. |
| PIN_TYPE_CONFIRM_PASSKEY | 2 | The user needs to confirm the PASSKEY displayed on the local device.<br>This is a system API. |
| PIN_TYPE_NO_PASSKEY_CONSENT | 3 | There is no PASSKEY, and the user needs to accept or reject the pairing request.<br>This is a system API. |
| PIN_TYPE_NOTIFY_PASSKEY | 4 | The user needs to enter the PASSKEY displayed on the local device on the peer device.<br>This is a system API. |
| PIN_TYPE_DISPLAY_PIN_CODE | 5 | The user needs to enter the PIN displayed on the peer device for Bluetooth 2.0 devices.<br>This is a system API. |
| PIN_TYPE_OOB_CONSENT | 6 | The user needs to accept or reject the out of band (OOB) pairing request.<br>This is a system API. |
| PIN_TYPE_PIN_16_DIGITS | 7 | The user needs to enter the 16-digit PIN displayed on the peer device.<br>This is a system API. |
# @ohos.bluetooth.constant (Bluetooth constant Module)
The **constant** module provides definitions of the constants used in Bluetooth.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import constant from '@ohos.bluetooth.constant';
```
## ProfileId<a name="ProfileId"></a>
Enumerates profiles.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| PROFILE_A2DP_SOURCE | 1 | Advanced Audio Distribution Profile (A2DP).|
| PROFILE_HANDSFREE_AUDIO_GATEWAY | 4 | Hands-Free Profile (HFP). |
| PROFILE_HID_HOST | 6 | Human Interface Device (HID) profile. |
| PROFILE_PAN_NETWORK | 7 | Bluetooth personal area network (PAN) profile. |
## ProfileUuids<a name="ProfileUuids"></a>
Enumerates profile UUIDs.
**System API**: This is a system API.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ------------------------------------| ------ | --------------- |
| PROFILE_UUID_HFP_AG | '0000111F-0000-1000-8000-00805F9B34FB' | UUID of the HFPAG Profile.<br>This is a system API.|
| PROFILE_UUID_HFP_HF | '0000111E-0000-1000-8000-00805F9B34FB' | UUID of the HFPHF Profile.<br>This is a system API. |
| PROFILE_UUID_HSP_AG | '00001112-0000-1000-8000-00805F9B34FB' | UUID of the HSPAG Profile.<br>This is a system API. |
| PROFILE_UUID_HSP_HS | '00001108-0000-1000-8000-00805F9B34FB' | UUID of the HSPHS Profile.<br>This is a system API. |
| PROFILE_UUID_A2DP_SRC | '0000110A-0000-1000-8000-00805F9B34FB' | Indicates the UID of the A2DPSRC Profile.<br>This is a system API. |
| PROFILE_UUID_A2DP_SINK | '0000110B-0000-1000-8000-00805F9B34FB' | UUID of the A2DPSINK Profile.<br>This is a system API. |
| PROFILE_UUID_AVRCP_CT | '0000110E-0000-1000-8000-00805F9B34FB' | UUID of the AVRCPCT Profile.<br>This is a system API. |
| PROFILE_UUID_AVRCP_TG | '0000110C-0000-1000-8000-00805F9B34FB' | UUID of the AVRCPTG Profile.<br>This is a system API. |
| PROFILE_UUID_HID | '00001124-0000-1000-8000-00805F9B34FB' | UUID of the HID Profile.<br>This is a system API. |
| PROFILE_UUID_HOGP | '00001812-0000-1000-8000-00805F9B34FB' | UUID of the HOGP Profile.<br>This is a system API. |
## ProfileConnectionState
Enumerates the profile connection states.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ------------------- | ---- | -------------- |
| STATE_DISCONNECTED | 0 | Disconnected. |
| STATE_CONNECTING | 1 | Connecting.|
| STATE_CONNECTED | 2 | Connected. |
| STATE_DISCONNECTING | 3 | Disconnecting.|
## MajorClass<a name="MajorClass"></a>
Enumerates the major classes of Bluetooth devices.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ------------------- | ------ | ---------- |
| MAJOR_MISC | 0x0000 | Miscellaneous device. |
| MAJOR_COMPUTER | 0x0100 | Computer. |
| MAJOR_PHONE | 0x0200 | Mobile phone. |
| MAJOR_NETWORKING | 0x0300 | Network device. |
| MAJOR_AUDIO_VIDEO | 0x0400 | Audio or video device.|
| MAJOR_PERIPHERAL | 0x0500 | Peripheral device. |
| MAJOR_IMAGING | 0x0600 | Imaging device. |
| MAJOR_WEARABLE | 0x0700 | Wearable device. |
| MAJOR_TOY | 0x0800 | Toy. |
| MAJOR_HEALTH | 0x0900 | Health device. |
| MAJOR_UNCATEGORIZED | 0x1F00 | Unclassified device. |
## MajorMinorClass<a name="MajorMinorClass"></a>
Enumerates the major and minor classes of Bluetooth devices.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ---------------------------------------- | ------ | --------------- |
| COMPUTER_UNCATEGORIZED | 0x0100 | Unclassified computer. |
| COMPUTER_DESKTOP | 0x0104 | Desktop computer. |
| COMPUTER_SERVER | 0x0108 | Server. |
| COMPUTER_LAPTOP | 0x010C | Laptop. |
| COMPUTER_HANDHELD_PC_PDA | 0x0110 | Hand-held computer. |
| COMPUTER_PALM_SIZE_PC_PDA | 0x0114 | Palmtop computer. |
| COMPUTER_WEARABLE | 0x0118 | Wearable computer. |
| COMPUTER_TABLET | 0x011C | Tablet. |
| PHONE_UNCATEGORIZED | 0x0200 | Unclassified mobile phone. |
| PHONE_CELLULAR | 0x0204 | Portable phone. |
| PHONE_CORDLESS | 0x0208 | Cordless phone. |
| PHONE_SMART | 0x020C | Smartphone. |
| PHONE_MODEM_OR_GATEWAY | 0x0210 | Modem or gateway phone.|
| PHONE_ISDN | 0x0214 | ISDN phone. |
| NETWORK_FULLY_AVAILABLE | 0x0300 | Device with network fully available. |
| NETWORK_1_TO_17_UTILIZED | 0x0320 | Device used on network 1 to 17. |
| NETWORK_17_TO_33_UTILIZED | 0x0340 | Device used on network 17 to 33. |
| NETWORK_33_TO_50_UTILIZED | 0x0360 | Device used on network 33 to 50. |
| NETWORK_60_TO_67_UTILIZED | 0x0380 | Device used on network 60 to 67. |
| NETWORK_67_TO_83_UTILIZED | 0x03A0 | Device used on network 67 to 83. |
| NETWORK_83_TO_99_UTILIZED | 0x03C0 | Device used on network 83 to 99. |
| NETWORK_NO_SERVICE | 0x03E0 | Device without network service |
| AUDIO_VIDEO_UNCATEGORIZED | 0x0400 | Unclassified audio or video device. |
| AUDIO_VIDEO_WEARABLE_HEADSET | 0x0404 | Wearable audio or video headset. |
| AUDIO_VIDEO_HANDSFREE | 0x0408 | Hands-free audio or video device. |
| AUDIO_VIDEO_MICROPHONE | 0x0410 | Audio or video microphone. |
| AUDIO_VIDEO_LOUDSPEAKER | 0x0414 | Audio or video loudspeaker. |
| AUDIO_VIDEO_HEADPHONES | 0x0418 | Audio or video headphones. |
| AUDIO_VIDEO_PORTABLE_AUDIO | 0x041C | Portable audio or video device. |
| AUDIO_VIDEO_CAR_AUDIO | 0x0420 | In-vehicle audio or video device. |
| AUDIO_VIDEO_SET_TOP_BOX | 0x0424 | Audio or video STB device. |
| AUDIO_VIDEO_HIFI_AUDIO | 0x0428 | High-fidelity speaker device. |
| AUDIO_VIDEO_VCR | 0x042C | Video cassette recording (VCR) device. |
| AUDIO_VIDEO_VIDEO_CAMERA | 0x0430 | Camera. |
| AUDIO_VIDEO_CAMCORDER | 0x0434 | Camcorder |
| AUDIO_VIDEO_VIDEO_MONITOR | 0x0438 | Audio or video monitor. |
| AUDIO_VIDEO_VIDEO_DISPLAY_AND_LOUDSPEAKER | 0x043C | Video display or loudspeaker. |
| AUDIO_VIDEO_VIDEO_CONFERENCING | 0x0440 | Video conferencing device. |
| AUDIO_VIDEO_VIDEO_GAMING_TOY | 0x0448 | Audio or video gaming toy. |
| PERIPHERAL_NON_KEYBOARD_NON_POINTING | 0x0500 | Non-keyboard or non-pointing peripheral device. |
| PERIPHERAL_KEYBOARD | 0x0540 | Keyboard device. |
| PERIPHERAL_POINTING_DEVICE | 0x0580 | Pointing peripheral device. |
| PERIPHERAL_KEYBOARD_POINTING | 0x05C0 | Keyboard pointing device. |
| PERIPHERAL_UNCATEGORIZED | 0x0500 | Unclassified peripheral device. |
| PERIPHERAL_JOYSTICK | 0x0504 | Peripheral joystick. |
| PERIPHERAL_GAMEPAD | 0x0508 | Peripheral game pad |
| PERIPHERAL_REMOTE_CONTROL | 0x05C0 | Peripheral remote control device |
| PERIPHERAL_SENSING_DEVICE | 0x0510 | Peripheral sensing device. |
| PERIPHERAL_DIGITIZER_TABLET | 0x0514 | Peripheral digitizer tablet.|
| PERIPHERAL_CARD_READER | 0x0518 | Peripheral card reader. |
| PERIPHERAL_DIGITAL_PEN | 0x051C | Peripheral digital pen. |
| PERIPHERAL_SCANNER_RFID | 0x0520 | Peripheral RFID scanner. |
| PERIPHERAL_GESTURAL_INPUT | 0x0522 | Gesture input device. |
| IMAGING_UNCATEGORIZED | 0x0600 | Unclassified imaging device. |
| IMAGING_DISPLAY | 0x0610 | Imaging display device. |
| IMAGING_CAMERA | 0x0620 | Imaging camera device. |
| IMAGING_SCANNER | 0x0640 | Imaging scanner. |
| IMAGING_PRINTER | 0x0680 | Imaging printer. |
| WEARABLE_UNCATEGORIZED | 0x0700 | Unclassified wearable device. |
| WEARABLE_WRIST_WATCH | 0x0704 | Smart watch. |
| WEARABLE_PAGER | 0x0708 | Wearable pager. |
| WEARABLE_JACKET | 0x070C | Smart jacket. |
| WEARABLE_HELMET | 0x0710 | Wearable helmet. |
| WEARABLE_GLASSES | 0x0714 | Wearable glasses. |
| TOY_UNCATEGORIZED | 0x0800 | Unclassified toy. |
| TOY_ROBOT | 0x0804 | Toy robot. |
| TOY_VEHICLE | 0x0808 | Toy vehicle. |
| TOY_DOLL_ACTION_FIGURE | 0x080C | Humanoid toy doll. |
| TOY_CONTROLLER | 0x0810 | Toy controller. |
| TOY_GAME | 0x0814 | Toy gaming device. |
| HEALTH_UNCATEGORIZED | 0x0900 | Unclassified health devices. |
| HEALTH_BLOOD_PRESSURE | 0x0904 | Blood pressure device. |
| HEALTH_THERMOMETER | 0x0908 | Thermometer |
| HEALTH_WEIGHING | 0x090C | Body scale. |
| HEALTH_GLUCOSE | 0x0910 | Blood glucose monitor. |
| HEALTH_PULSE_OXIMETER | 0x0914 | Pulse oximeter. |
| HEALTH_PULSE_RATE | 0x0918 | Heart rate monitor. |
| HEALTH_DATA_DISPLAY | 0x091C | Health data display. |
| HEALTH_STEP_COUNTER | 0x0920 | Step counter. |
| HEALTH_BODY_COMPOSITION_ANALYZER | 0x0924 | Body composition analyzer. |
| HEALTH_PEAK_FLOW_MONITOR | 0x0928 | Hygrometer. |
| HEALTH_MEDICATION_MONITOR | 0x092C | Medication monitor. |
| HEALTH_KNEE_PROSTHESIS | 0x0930 | Prosthetic knee. |
| HEALTH_ANKLE_PROSTHESIS | 0x0934 | Prosthetic ankle. |
| HEALTH_GENERIC_HEALTH_MANAGER | 0x0938 | Generic health management device. |
| HEALTH_PERSONAL_MOBILITY_DEVICE | 0x093C | Personal mobility device. |
# @ohos.bluetooth.hfp (Bluetooth hfp Module)
The **hfp** module provides APIs for using the Bluetooth Hands-Free Profile (HFP).
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import hfp from '@ohos.bluetooth.hfp';
```
## hfp.createHfpAgProfile<a name="createHfpAgProfile"></a>
createHfpAgProfile(): HandsFreeAudioGatewayProfile
Creates an **HfpAgProfile** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| HandsFreeAudioGatewayProfile | **HfpAgProfile** instance created.|
**Example**
```js
try {
let hfpAgProfile = hfp.createHfpAgProfile();
console.info('hfpAg success');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## HandsFreeAudioGatewayProfile
Before using any API of **HandsFreeAudioGatewayProfile**, you need to create an instance of this class by using **createHfpAgProfile()**.
### connect<a name="hfp-connect"></a>
connect(deviceId: string): void
Connects to a hands-free device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let hfpAg = hfp.createHfpAgProfile();
hfpAg.connect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### disconnect<a name="hfp-disconnect"></a>
disconnect(deviceId: string): void
Disconnects from a hands-free device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let hfpAg = hfp.createHfpAgProfile();
hfpAg.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
# @ohos.bluetooth.hid (Bluetooth hid Module)
The **hid** module provides APIs for using the Bluetooth Human Interface Device Profile (HID).
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import hid from '@ohos.bluetooth.hid';
```
## hid.createHidHostProfile<a name="createHidHostProfile"></a>
createHidHostProfile(): HidHostProfile
Creates a **HidHostProfile** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| HidHostProfile | **HidHostProfile** instance created.|
**Example**
```js
try {
let hidHostProfile = hid.createHidHostProfile();
console.info('hidHost success');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## HidHostProfile
Before using any API of **HidHostProfile**, you need to create an instance of this class by using **createHidHostProfile()**.
### connect<a name="HidHost-connect"></a>
connect(deviceId: string): void
Connects to the HidHost service of a device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let hidHostProfile = hid.createHidHostProfile();
hidHostProfile.connect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### disconnect<a name="HidHost-disconnect"></a>
disconnect(deviceId: string): void
Disconnects from the HidHost service of a device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let hidHostProfile = hid.createHidHostProfile();
hidHostProfile.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
# @ohos.bluetooth.pan (Bluetooth pan Module)
The **pan** module provides APIs for accessing the Bluetooth personal area network (PAN).
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import pan from '@ohos.bluetooth.pan';
```
## pan.createPanProfile<a name="createPanProfile"></a>
createPanProfile(): PanProfile
Creates a **PanProfile** instance.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| ----------------------------- | ---------- |
| PanProfile | **PanProfile** instance created.|
**Example**
```js
try {
let panProfile = pan.createPanProfile();
console.info('pan success');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## PanProfile
Before using any API of **PanProfile**, you need to create an instance of this class by using **createPanProfile()**.
### disconnect<a name="PanP-disconnect"></a>
disconnect(deviceId: string): void
Disconnects from the PAN service of a device.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| deviceId | string | Yes | Address of the remote device.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let panProfile = pan.createPanProfile();
panProfile.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### setTethering<a name="setTethering"></a>
setTethering(enable: boolean): void
Sets Bluetooth tethering, which shares a mobile connection.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| value | boolean | Yes | Whether to set tethering over a Bluetooth PAN.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
try {
let panProfile = pan.createPanProfile();
panProfile.setTethering(false);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
### isTetheringOn<a name="isTetheringOn"></a>
isTetheringOn(): boolean
Checks whether Bluetooth tethering is activated.
**System API**: This is a system API.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
| Type | Description |
| --------------------- | --------------------------------- |
| boolean | Returns **true** if tethering is available over a Bluetooth PAN; returns **false** otherwise.|
**Example**
```js
try {
let panProfile = pan.createPanProfile();
let ret = panProfile.isTetheringOn();
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
# @ohos.bluetooth.socket (Bluetooth socket Module)
The **socket** module provides APIs for operating and managing Bluetooth sockets.
> **NOTE**
>
> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import socket from '@ohos.bluetooth.socket';
```
## socket.sppListen<a name="sppListen"></a>
sppListen(name: string, options: SppOptions, callback: AsyncCallback&lt;number&gt;): void
Creates a Serial Port Profile (SPP) listening socket for the server.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | --------------------------- | ---- | ----------------------- |
| name | string | Yes | Name of the service. |
| option | [SppOptions](#sppoptions) | Yes | SPP listening configuration. |
| callback | AsyncCallback&lt;number&gt; | Yes | Callback invoked to return the server socket ID.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
let serverNumber = -1;
function serverSocket(code, number) {
console.log('bluetooth error code: ' + code.code);
if (code.code == 0) {
console.log('bluetooth serverSocket Number: ' + number);
serverNumber = number;
}
}
let sppOption = {uuid: '00001810-0000-1000-8000-00805F9B34FB', secure: false, type: 0};
try {
socket.sppListen('server1', sppOption, serverSocket);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.sppAccept<a name="sppAccept"></a>
sppAccept(serverSocket: number, callback: AsyncCallback&lt;number&gt;): void
Accepts a connection request from the client over a socket of the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------------ | --------------------------- | ---- | ----------------------- |
| serverSocket | number | Yes | Server socket ID. |
| callback | AsyncCallback&lt;number&gt; | Yes | Callback invoked to return the client socket ID.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
let serverNumber = -1;
function serverSocket(code, number) {
console.log('bluetooth error code: ' + code.code);
if (code.code == 0) {
console.log('bluetooth serverSocket Number: ' + number);
serverNumber = number;
}
}
let clientNumber = -1;
function acceptClientSocket(code, number) {
console.log('bluetooth error code: ' + code.code);
if (code.code == 0) {
console.log('bluetooth clientSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the server.
clientNumber = number;
}
}
try {
socket.sppAccept(serverNumber, acceptClientSocket);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.sppConnect<a name="sppConnect"></a>
sppConnect(deviceId: string, options: SppOptions, callback: AsyncCallback&lt;number&gt;): void
Initiates an SPP connection to a remote device from the client.
**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | --------------------------- | ---- | ------------------------------ |
| deviceId | string | Yes | Address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| option | [SppOptions](#sppoptions) | Yes | SSP listensing configuration for the connection. |
| callback | AsyncCallback&lt;number&gt; | Yes | Callback invoked to return the client socket ID. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900004 | Profile is not supported. |
|2900099 | Operation failed. |
**Example**
```js
let clientNumber = -1;
function clientSocket(code, number) {
if (code.code != 0) {
return;
}
console.log('bluetooth serverSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the client.
clientNumber = number;
}
let sppOption = {uuid: '00001810-0000-1000-8000-00805F9B34FB', secure: false, type: 0};
try {
socket.sppConnect('XX:XX:XX:XX:XX:XX', sppOption, clientSocket);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.sppCloseServerSocket<a name="sppCloseServerSocket"></a>
sppCloseServerSocket(socket: number): void
Closes an SPP listening socket of the server.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | --------------- |
| socket | number | Yes | Server socket ID, which is obtained by **sppListen()**. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
let serverNumber = -1;
function serverSocket(code, number) {
console.log('bluetooth error code: ' + code.code);
if (code.code == 0) {
console.log('bluetooth serverSocket Number: ' + number);
serverNumber = number;
}
}
try {
socket.sppCloseServerSocket(serverNumber);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.sppCloseClientSocket<a name="sppCloseClientSocket"></a>
sppCloseClientSocket(socket: number): void
Closes an SPP listening socket of the client.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------------- |
| socket | number | Yes | Client socket ID, which is obtained by **sppAccept()** or **sppConnect**(). |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900099 | Operation failed. |
**Example**
```js
let clientNumber = -1;
function clientSocket(code, number) {
if (code.code != 0) {
return;
}
console.log('bluetooth serverSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the client.
clientNumber = number;
}
try {
socket.sppCloseClientSocket(clientNumber);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.sppWrite<a name="sppWrite"></a>
sppWrite(clientSocket: number, data: ArrayBuffer): void
Writes data to the remote device through a socket.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------------ | ----------- | ---- | ------------- |
| clientSocket | number | Yes | Client socket ID, which is obtained by **sppAccept()** or **sppConnect**(). |
| data | ArrayBuffer | Yes | Data to write. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2901054 | IO error. |
|2900099 | Operation failed. |
**Example**
```js
let clientNumber = -1;
function clientSocket(code, number) {
if (code.code != 0) {
return;
}
console.log('bluetooth serverSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the client.
clientNumber = number;
}
let arrayBuffer = new ArrayBuffer(8);
let data = new Uint8Array(arrayBuffer);
data[0] = 123;
try {
socket.sppWrite(clientNumber, arrayBuffer);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.on('sppRead')
on(type: 'sppRead', clientSocket: number, callback: Callback&lt;ArrayBuffer&gt;): void
Subscribes to SPP read request events.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------------ | --------------------------- | ---- | -------------------------- |
| type | string | Yes | Event type. The value is **sppRead**, which indicates an SPP read request event. |
| clientSocket | number | Yes | Client socket ID, which is obtained by **sppAccept()** or **sppConnect()**. |
| callback | Callback&lt;ArrayBuffer&gt; | Yes | Callback invoked to return the data read. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2901054 | IO error. |
|2900099 | Operation failed. |
**Example**
```js
let clientNumber = -1;
function clientSocket(code, number) {
if (code.code != 0) {
return;
}
console.log('bluetooth serverSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the client.
clientNumber = number;
}
function dataRead(dataBuffer) {
let data = new Uint8Array(dataBuffer);
console.log('bluetooth data is: ' + data[0]);
}
try {
socket.on('sppRead', clientNumber, dataRead);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## socket.off('sppRead')
off(type: 'sppRead', clientSocket: number, callback?: Callback&lt;ArrayBuffer&gt;): void
Unsubscribes from SPP read request events.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------------ | --------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value is **sppRead**, which indicates an SPP read request event. |
| clientSocket | number | Yes | Client socket ID, which is obtained by **sppAccept()** or **sppConnect()**. |
| callback | Callback&lt;ArrayBuffer&gt; | No | Callback for the SPP read request event. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**. |
**Example**
```js
let clientNumber = -1;
function clientSocket(code, number) {
if (code.code != 0) {
return;
}
console.log('bluetooth serverSocket Number: ' + number);
// The obtained clientNumber is used as the socket ID for subsequent read/write operations on the client.
clientNumber = number;
}
try {
socket.off('sppRead', clientNumber);
} catch (err) {
console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
}
```
## SppOptions<a name="SppOptions"></a>
Defines the SPP configuration.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| ------ | ------------------- | ---- | ---- | ----------- |
| uuid | string | Yes | Yes | UUID of the SPP.|
| secure | boolean | Yes | Yes | Whether it is a secure channel. |
| type | [SppType](#SppType) | Yes | Yes | Type of the SPP link. |
## SppType<a name="SppType"></a>
Enumerates the SPP link types.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| ---------- | ---- | ------------- |
| SPP_RFCOMM | 0 | Radio frequency communication (RFCOMM) link. |
......@@ -3,9 +3,8 @@
The **Bluetooth** module provides classic Bluetooth capabilities and Bluetooth Low Energy (BLE) scan and advertising.
> **NOTE**
>
> - The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> - The APIs provided by this module are no longer maintained since API version 9. You are advised to use [bluetoothManager](js-apis-bluetoothManager.md).
> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> The APIs provided by this module are no longer maintained since API version 9. You are advised to use [bluetoothManager](js-apis-bluetoothManager.md).
......@@ -215,7 +214,7 @@ let result = bluetooth.pairDevice("XX:XX:XX:XX:XX:XX");
getProfileConnState(profileId: ProfileId): ProfileConnectionState
Obtains the connection status of a specified profile.
Obtains the connection status of the specified profile.
> **NOTE**
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.getProfileConnectionState](js-apis-bluetoothManager.md#bluetoothmanagergetprofileconnectionstate).
......@@ -664,7 +663,7 @@ bluetooth.off('pinRequired', onReceiveEvent);
on(type: "bondStateChange", callback: Callback&lt;BondStateParam&gt;): void
Subscribes to the Bluetooth pairing state change events.
Subscribes to the Bluetooth pairing state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.on('bondStateChange')](js-apis-bluetoothManager.md#bluetoothmanageronbondstatechange).
......@@ -698,7 +697,7 @@ bluetooth.on('bondStateChange', onReceiveEvent);
off(type: "bondStateChange", callback?: Callback&lt;BondStateParam&gt;): void
Unsubscribes from the Bluetooth pairing state change events.
Unsubscribes from the Bluetooth pairing state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.off('bondStateChange')](js-apis-bluetoothManager.md#bluetoothmanageroffbondstatechange).
......@@ -733,7 +732,7 @@ bluetooth.off('bondStateChange', onReceiveEvent);
on(type: "stateChange", callback: Callback&lt;BluetoothState&gt;): void
Subscribes to the Bluetooth connection state change events.
Subscribes to the Bluetooth connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.on('stateChange')](js-apis-bluetoothManager.md#bluetoothmanageronstatechange).
......@@ -767,7 +766,7 @@ bluetooth.on('stateChange', onReceiveEvent);
off(type: "stateChange", callback?: Callback&lt;BluetoothState&gt;): void
Unsubscribes from the Bluetooth connection state change events.
Unsubscribes from the Bluetooth connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.off('stateChange')](js-apis-bluetoothManager.md#bluetoothmanageroffstatechange).
......@@ -1145,7 +1144,7 @@ let a2dpSrc = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_A2DP_SOURCE);
## bluetooth.BLE
### bluetooth.BLE.createGattServer<sup>(deprecated)</sup>
### createGattServer<sup>(deprecated)</sup>
createGattServer(): GattServer
......@@ -1169,7 +1168,7 @@ let gattServer = bluetooth.BLE.createGattServer();
```
### bluetooth.BLE.createGattClientDevice<sup>(deprecated)</sup>
### createGattClientDevice<sup>(deprecated)</sup>
createGattClientDevice(deviceId: string): GattClientDevice
......@@ -1199,7 +1198,7 @@ let device = bluetooth.BLE.createGattClientDevice('XX:XX:XX:XX:XX:XX');
```
### bluetooth.BLE.getConnectedBLEDevices<sup>(deprecated)</sup>
### getConnectedBLEDevices<sup>(deprecated)</sup>
getConnectedBLEDevices(): Array&lt;string&gt;
......@@ -1225,7 +1224,7 @@ let result = bluetooth.BLE.getConnectedBLEDevices();
```
### bluetooth.BLE.startBLEScan<sup>(deprecated)</sup>
### startBLEScan<sup>(deprecated)</sup>
startBLEScan(filters: Array&lt;ScanFilter&gt;, options?: ScanOptions): void
......@@ -1271,7 +1270,7 @@ bluetooth.BLE.startBLEScan(
```
### bluetooth.BLE.stopBLEScan<sup>(deprecated)</sup>
### stopBLEScan<sup>(deprecated)</sup>
stopBLEScan(): void
......@@ -1295,7 +1294,7 @@ bluetooth.BLE.stopBLEScan();
```
### bluetooth.BLE.on('BLEDeviceFind')<sup>(deprecated)</sup>
### on('BLEDeviceFind')<sup>(deprecated)</sup>
on(type: "BLEDeviceFind", callback: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
......@@ -1329,7 +1328,7 @@ bluetooth.BLE.on('BLEDeviceFind', onReceiveEvent);
```
### bluetooth.BLE.off('BLEDeviceFind')<sup>(deprecated)</sup>
### off('BLEDeviceFind')<sup>(deprecated)</sup>
off(type: "BLEDeviceFind", callback?: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
......@@ -1502,7 +1501,7 @@ let ret = a2dpSrc.disconnect('XX:XX:XX:XX:XX:XX');
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the A2DP connection state change events.
Subscribes to the A2DP connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.A2dpSourceProfile.on('connectionStateChange')](js-apis-bluetoothManager.md#onconnectionstatechange).
......@@ -1535,7 +1534,7 @@ a2dpSrc.on('connectionStateChange', onReceiveEvent);
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the A2DP connection state change events.
Unsubscribes from the A2DP connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.A2dpSourceProfile.off('connectionStateChange')](js-apis-bluetoothManager.md#offconnectionstatechange).
......@@ -1673,7 +1672,7 @@ let ret = hfpAg.disconnect('XX:XX:XX:XX:XX:XX');
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the HFP connection state change events.
Subscribes to the HFP connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.HandsFreeAudioGatewayProfile.on('connectionStateChange')](js-apis-bluetoothManager.md#onconnectionstatechange-1).
......@@ -1707,7 +1706,7 @@ hfpAg.on('connectionStateChange', onReceiveEvent);
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the HFP connection state change events.
Unsubscribes from the HFP connection state changes.
> **NOTE**<br>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [bluetoothManager.HandsFreeAudioGatewayProfile.off('connectionStateChange')](js-apis-bluetoothManager.md#offconnectionstatechange-1).
......@@ -2394,7 +2393,7 @@ gattServer.off("descriptorWrite");
on(type: "connectStateChange", callback: Callback&lt;BLEConnectChangedState&gt;): void
Subscribes to the BLE connection state change events.
Subscribes to the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattServer.on('connectStateChange')](js-apis-bluetoothManager.md#onconnectstatechange).
......@@ -2431,7 +2430,7 @@ gattServer.on("connectStateChange", Connected);
off(type: "connectStateChange", callback?: Callback&lt;BLEConnectChangedState&gt;): void
Unsubscribes from the BLE connection state change events.
Unsubscribes from the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattServer.off('connectStateChange')](js-apis-bluetoothManager.md#offconnectstatechange).
......@@ -2995,7 +2994,7 @@ device.setNotifyCharacteristicChanged(characteristic, false);
on(type: "BLECharacteristicChange", callback: Callback&lt;BLECharacteristic&gt;): void
Subscribes to the BLE characteristic change events. The client can receive a notification from the server only after the **setNotifyCharacteristicChanged** method is called.
Subscribes to the BLE characteristic changes. The client can receive a notification from the server only after the **setNotifyCharacteristicChanged** method is called.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattClientDevice.on('BLECharacteristicChange')](js-apis-bluetoothManager.md#onblecharacteristicchange).
......@@ -3032,7 +3031,7 @@ device.on('BLECharacteristicChange', CharacteristicChange);
off(type: "BLECharacteristicChange", callback?: Callback&lt;BLECharacteristic&gt;): void
Unsubscribes from the BLE characteristic change events.
Unsubscribes from the BLE characteristic changes.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattClientDevice.off('BLECharacteristicChange')](js-apis-bluetoothManager.md#offblecharacteristicchange).
......@@ -3064,7 +3063,7 @@ device.off('BLECharacteristicChange');
on(type: "BLEConnectionStateChange", callback: Callback&lt;BLEConnectChangedState&gt;): void
Subscribes to the BLE connection state change events.
Subscribes to the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattClientDevice.on('BLEConnectionStateChange')](js-apis-bluetoothManager.md#onbleconnectionstatechange).
......@@ -3100,7 +3099,7 @@ device.on('BLEConnectionStateChange', ConnectStateChanged);
off(type: "BLEConnectionStateChange", callback?: Callback&lt;BLEConnectChangedState&gt;): void
Unsubscribes from the BLE connection state change events.
Unsubscribes from the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [bluetoothManager.GattClientDevice.off('BLEConnectionStateChange')](js-apis-bluetoothManager.md#offbleconnectionstatechange).
......
......@@ -15,12 +15,15 @@ import bluetoothManager from '@ohos.bluetoothManager';
```
## bluetoothManager.enableBluetooth<a name="enableBluetooth"></a>
## bluetoothManager.enableBluetooth<sup>(deprecated)</sup><a name="enableBluetooth"></a>
enableBluetooth(): void
Enables Bluetooth.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.enableBluetooth](js-apis-bluetooth-access.md#accessenablebluetooth).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -45,12 +48,15 @@ try {
```
## bluetoothManager.disableBluetooth<a name="disableBluetooth"></a>
## bluetoothManager.disableBluetooth<sup>(deprecated)</sup><a name="disableBluetooth"></a>
disableBluetooth(): void
Disables Bluetooth.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.disableBluetooth](js-apis-bluetooth-access.md#accessdisablebluetooth).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -75,12 +81,15 @@ try {
```
## bluetoothManager.getLocalName<a name="getLocalName"></a>
## bluetoothManager.getLocalName<sup>(deprecated)</sup><a name="getLocalName"></a>
getLocalName(): string
Obtains the name of the local Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getLocalName](js-apis-bluetooth-connection.md#connectiongetlocalname).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -111,12 +120,15 @@ try {
```
## bluetoothManager.getState
## bluetoothManager.getState<sup>(deprecated)</sup>
getState(): BluetoothState
Obtains the Bluetooth state.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.getState](js-apis-bluetooth-access.md#accessgetstate).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -147,12 +159,15 @@ try {
```
## bluetoothManager.getBtConnectionState
## bluetoothManager.getBtConnectionState<sup>(deprecated)</sup>
getBtConnectionState(): ProfileConnectionState
Obtains the local profile connection status.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getProfileConnectionState](js-apis-bluetooth-connection.md#connectiongetprofileconnectionstate).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -184,12 +199,15 @@ try {
```
## bluetoothManager.setLocalName<a name="setLocalName"></a>
## bluetoothManager.setLocalName<sup>(deprecated)</sup><a name="setLocalName"></a>
setLocalName(name: string): void
Sets the name of the local Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.setLocalName](js-apis-bluetooth-connection.md#connectionsetlocalname).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -221,12 +239,15 @@ try {
```
## bluetoothManager.pairDevice
## bluetoothManager.pairDevice<sup>(deprecated)</sup>
pairDevice(deviceId: string): void
Initiates Bluetooth pairing.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.pairDevice](js-apis-bluetooth-connection.md#connectionpairdevice).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -259,109 +280,15 @@ try {
```
## bluetoothManager.pairCredibleDevice<sup>10+</sup>
pairCredibleDevice(deviceId: string, transport: BluetoothTransport, callback: AsyncCallback&lt;void&gt;): void
Pairs a trusted remote device whose address is obtained in a non-Bluetooth scan mode (such as using NFC).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the remote device to pair, for example, XX:XX:XX:XX:XX:XX.|
| transport | [BluetoothTransport](#bluetoothtransport10) | Yes | Device type, for example, a classic Bluetooth device or a Bluetooth low energy (BLE) device.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
bluetoothManager.pairCredibleDevice("68:13:24:79:4C:8C", 1, err => {
if (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
return;
}
console.info("pairCredibleDevice,err:" + JSON.stringify(err));
});
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
```
## bluetoothManager.pairCredibleDevice<sup>10+</sup>
pairCredibleDevice(deviceId: string, transport: BluetoothTransport): Promise&lt;void&gt;
Pairs a trusted remote device whose address is obtained in a non-Bluetooth scan mode (such as using NFC).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ------ | ---- | ----------------------------------- |
| deviceId | string | Yes | Address of the remote device to pair, for example, XX:XX:XX:XX:XX:XX.|
| transport | [BluetoothTransport](#bluetoothtransport10) | Yes | Device type, for example, a classic Bluetooth device or a BLE device.|
**Return value**
| Type | Description |
| ------------------------------------------------- | ------------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
try {
bluetoothManager.pairCredibleDevice("68:13:24:79:4C:8C", 0).then(() => {
console.info("PairCredibleDevice");
}, err => {
console.error("PairCredibleDevice:errCode" + err.code + ",errMessage:" + err.message);
});
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
```
## bluetoothManager.getProfileConnectionState<a name="getProfileConnectionState"></a>
## bluetoothManager.getProfileConnectionState<sup>(deprecated)</sup><a name="getProfileConnectionState"></a>
getProfileConnectionState(profileId: ProfileId): ProfileConnectionState
Obtains the connection status of the specified profile.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getProfileConnectionState](js-apis-bluetooth-connection.md#connectiongetprofileconnectionstate).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -400,12 +327,15 @@ try {
```
## bluetoothManager.cancelPairedDevice<a name="cancelPairedDevice"></a>
## bluetoothManager.cancelPairedDevice<sup>(deprecated)</sup><a name="cancelPairedDevice"></a>
cancelPairedDevice(deviceId: string): void
Cancels a paired remote device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.cancelPairedDevice](js-apis-bluetooth-connection.md#connectioncancelpaireddevice).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
......@@ -439,12 +369,15 @@ try {
```
## bluetoothManager.getRemoteDeviceName<a name="getRemoteDeviceName"></a>
## bluetoothManager.getRemoteDeviceName<sup>(deprecated)</sup><a name="getRemoteDeviceName"></a>
getRemoteDeviceName(deviceId: string): string
Obtains the name of the remote Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getRemoteDeviceName](js-apis-bluetooth-connection.md#connectiongetremotedevicename).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -482,12 +415,15 @@ try {
```
## bluetoothManager.getRemoteDeviceClass<a name="getRemoteDeviceClass"></a>
## bluetoothManager.getRemoteDeviceClass<sup>(deprecated)</sup><a name="getRemoteDeviceClass"></a>
getRemoteDeviceClass(deviceId: string): DeviceClass
Obtains the class of the remote Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getRemoteDeviceClass](js-apis-bluetooth-connection.md#connectiongetremotedeviceclass).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -525,12 +461,15 @@ try {
```
## bluetoothManager.getPairedDevices<a name="getPairedDevices"></a>
## bluetoothManager.getPairedDevices<sup>(deprecated)</sup><a name="getPairedDevices"></a>
getPairedDevices(): Array&lt;string&gt;
Obtains the paired devices.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getPairedDevices](js-apis-bluetooth-connection.md#connectiongetpaireddevices).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -562,12 +501,15 @@ try {
```
## bluetoothManager.setBluetoothScanMode<a name="setBluetoothScanMode"></a>
## bluetoothManager.setBluetoothScanMode<sup>(deprecated)</sup><a name="setBluetoothScanMode"></a>
setBluetoothScanMode(mode: ScanMode, duration: number): void
Sets the Bluetooth scan mode so that the device can be discovered by a remote device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.setBluetoothScanMode](js-apis-bluetooth-connection.md#connectionsetbluetoothscanmode).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -601,12 +543,15 @@ try {
```
## bluetoothManager.getBluetoothScanMode<a name="getBluetoothScanMode"></a>
## bluetoothManager.getBluetoothScanMode<sup>(deprecated)</sup><a name="getBluetoothScanMode"></a>
getBluetoothScanMode(): ScanMode
Obtains the Bluetooth scan mode.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.getBluetoothScanMode](js-apis-bluetooth-connection.md#connectiongetbluetoothscanmode).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -638,12 +583,15 @@ try {
```
## bluetoothManager.startBluetoothDiscovery<a name="startBluetoothDiscovery"></a>
## bluetoothManager.startBluetoothDiscovery<sup>(deprecated)</sup><a name="startBluetoothDiscovery"></a>
startBluetoothDiscovery(): void
Starts Bluetooth scan to discover remote devices.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.startBluetoothDiscovery](js-apis-bluetooth-connection.md#connectionstartbluetoothdiscovery).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH and ohos.permission.LOCATION and ohos.permission.APPROXIMATELY_LOCATION
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -674,12 +622,15 @@ try {
```
## bluetoothManager.stopBluetoothDiscovery<a name="stopBluetoothDiscovery"></a>
## bluetoothManager.stopBluetoothDiscovery<sup>(deprecated)</sup><a name="stopBluetoothDiscovery"></a>
stopBluetoothDiscovery(): void
Stops Bluetooth scan.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.stopBluetoothDiscovery](js-apis-bluetooth-connection.md#connectionstopbluetoothdiscovery).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -705,12 +656,15 @@ try {
```
## bluetoothManager.setDevicePairingConfirmation<a name="setDevicePairingConfirmation"></a>
## bluetoothManager.setDevicePairingConfirmation<sup>(deprecated)</sup><a name="setDevicePairingConfirmation"></a>
setDevicePairingConfirmation(device: string, accept: boolean): void
Sets the device pairing confirmation.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.setDevicePairingConfirmation](js-apis-bluetooth-connection.md#connectionsetdevicepairingconfirmation).
**Required permissions**: ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -749,104 +703,15 @@ try {
```
## bluetoothManager.setDevicePinCode<sup>10+</sup><a name="setDevicePinCode"></a>
setDevicePinCode(device: string, code: string, callback: AsyncCallback&lt;void&gt;): void
Sets the PIN for the device when [PinType](#pintype10) is **PIN_TYPE_ENTER_PIN_CODE** or **PIN_TYPE_PIN_16_DIGITS**.
**Required permissions**: ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------- | ---- | -------------------------------- |
| device | string | Yes | MAC address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| code | string | Yes | PIN to set. |
| callback | AsyncCallback&lt;void&gt; | Yes | Callback invoked to return the result. If the operation is successful, **err** is **undefined**. Otherwise, **err** is an error object. |
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
//callback
try {
bluetoothManager.setDevicePinCode('11:22:33:44:55:66', '12345', (err, data) => {
console.info('setDevicePinCode,device name err:' + JSON.stringify(err) + ',device name:' + JSON.stringify(data));
});
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
```
## bluetoothManager.setDevicePinCode<sup>10+</sup><a name="setDevicePinCode-1"></a>
setDevicePinCode(device: string, code: string): Promise&lt;void&gt;
Sets the PIN for the device when [PinType](#pintype10) is **PIN_TYPE_ENTER_PIN_CODE** or **PIN_TYPE_PIN_16_DIGITS**. This API uses a promise to return the result.
**Required permissions**: ohos.permission.MANAGE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------- | ---- | -------------------------------- |
| device | string | Yes | MAC address of the remote device, for example, XX:XX:XX:XX:XX:XX.|
| code | string | Yes | PIN to set. |
**Return value**
| Type | Description |
| ------------------- | ------------- |
| Promise&lt;void&gt; | Promise used to return the result.|
**Error codes**
For details about the error codes, see [Bluetooth Error Codes](../errorcodes/errorcode-bluetoothManager.md).
| ID| Error Message|
| -------- | ---------------------------- |
|2900001 | Service stopped. |
|2900003 | Bluetooth switch is off. |
|2900099 | Operation failed. |
**Example**
```js
//promise
try {
bluetoothManager.setDevicePinCode('11:22:33:44:55:66', '12345').then(() => {
console.info('setDevicePinCode');
}, error => {
console.info('setDevicePinCode: errCode:' + error.code + ',errMessage' + error.message);
})
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
```
## bluetoothManager.on('bluetoothDeviceFind')
## bluetoothManager.on('bluetoothDeviceFind')<sup>(deprecated)</sup>
on(type: "bluetoothDeviceFind", callback: Callback&lt;Array&lt;string&gt;&gt;): void
Subscribes to the Bluetooth device discovery events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.on('bluetoothDeviceFind')](js-apis-bluetooth-connection.md#connectiononbluetoothdevicefind).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -880,12 +745,15 @@ try {
```
## bluetoothManager.off('bluetoothDeviceFind')
## bluetoothManager.off('bluetoothDeviceFind')<sup>(deprecated)</sup>
off(type: "bluetoothDeviceFind", callback?: Callback&lt;Array&lt;string&gt;&gt;): void
Unsubscribes from the Bluetooth device discovery events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.off('bluetoothDeviceFind')](js-apis-bluetooth-connection.md#connectionoffbluetoothdevicefind).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -920,12 +788,15 @@ try {
```
## bluetoothManager.on('pinRequired')
## bluetoothManager.on('pinRequired')<sup>(deprecated)</sup>
on(type: "pinRequired", callback: Callback&lt;PinRequiredParam&gt;): void
Subscribes to the pairing request events of the remote Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.on('pinRequired')](js-apis-bluetooth-connection.md#connectiononpinrequired).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -959,12 +830,15 @@ try {
```
## bluetoothManager.off('pinRequired')
## bluetoothManager.off('pinRequired')<sup>(deprecated)</sup>
off(type: "pinRequired", callback?: Callback&lt;PinRequiredParam&gt;): void
Unsubscribes from the pairing request events of the remote Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.off('pinRequired')](js-apis-bluetooth-connection.md#connectionoffpinrequired).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -999,11 +873,14 @@ try {
```
## bluetoothManager.on('bondStateChange')
## bluetoothManager.on('bondStateChange')<sup>(deprecated)</sup>
on(type: "bondStateChange", callback: Callback&lt;BondStateParam&gt;): void
Subscribes to the Bluetooth pairing state change events.
Subscribes to the Bluetooth pairing state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.on('bondStateChange')](js-apis-bluetooth-connection.md#connectiononbondstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -1038,11 +915,14 @@ try {
```
## bluetoothManager.off('bondStateChange')
## bluetoothManager.off('bondStateChange')<sup>(deprecated)</sup>
off(type: "bondStateChange", callback?: Callback&lt;BondStateParam&gt;): void
Unsubscribes from the Bluetooth pairing state change events.
Unsubscribes from the Bluetooth pairing state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.off('bondStateChange')](js-apis-bluetooth-connection.md#connectionoffbondstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -1078,12 +958,15 @@ try {
```
## bluetoothManager.on('stateChange')
## bluetoothManager.on('stateChange')<sup>(deprecated)</sup>
on(type: "stateChange", callback: Callback&lt;BluetoothState&gt;): void
Subscribes to Bluetooth state events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.on('stateChange')](js-apis-bluetooth-access.md#accessonstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1117,12 +1000,15 @@ try {
```
## bluetoothManager.off('stateChange')
## bluetoothManager.off('stateChange')<sup>(deprecated)</sup>
off(type: "stateChange", callback?: Callback&lt;BluetoothState&gt;): void
Unsubscribes from Bluetooth state events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.off('stateChange')](js-apis-bluetooth-access.md#accessoffstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1157,12 +1043,15 @@ try {
```
## bluetoothManager.sppListen<a name="sppListen"></a>
## bluetoothManager.sppListen<sup>(deprecated)</sup><a name="sppListen"></a>
sppListen(name: string, option: SppOption, callback: AsyncCallback&lt;number&gt;): void
Creates a server listening socket.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppListen](js-apis-bluetooth-socket.md#socketspplisten).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1207,12 +1096,15 @@ try {
```
## bluetoothManager.sppAccept<a name="sppAccept"></a>
## bluetoothManager.sppAccept<sup>(deprecated)</sup><a name="sppAccept"></a>
sppAccept(serverSocket: number, callback: AsyncCallback&lt;number&gt;): void
Listens for a connection to be made to this socket from the client and accepts it.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppAccept](js-apis-bluetooth-socket.md#socketsppaccept).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1261,12 +1153,15 @@ try {
```
## bluetoothManager.sppConnect<a name="sppConnect"></a>
## bluetoothManager.sppConnect<sup>(deprecated)</sup><a name="sppConnect"></a>
sppConnect(device: string, option: SppOption, callback: AsyncCallback&lt;number&gt;): void
Initiates an SPP connection to a remote device from the client.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppConnect](js-apis-bluetooth-socket.md#socketsppconnect).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1312,12 +1207,15 @@ try {
```
## bluetoothManager.sppCloseServerSocket<a name="sppCloseServerSocket"></a>
## bluetoothManager.sppCloseServerSocket<sup>(deprecated)</sup><a name="sppCloseServerSocket"></a>
sppCloseServerSocket(socket: number): void
Closes the listening socket of the server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppCloseServerSocket](js-apis-bluetooth-socket.md#socketsppcloseserversocket).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1354,12 +1252,15 @@ try {
```
## bluetoothManager.sppCloseClientSocket<a name="sppCloseClientSocket"></a>
## bluetoothManager.sppCloseClientSocket<sup>(deprecated)</sup><a name="sppCloseClientSocket"></a>
sppCloseClientSocket(socket: number): void
Closes the client socket.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppCloseClientSocket](js-apis-bluetooth-socket.md#socketsppcloseclientsocket).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1398,12 +1299,15 @@ try {
```
## bluetoothManager.sppWrite<a name="sppWrite"></a>
## bluetoothManager.sppWrite<sup>(deprecated)</sup><a name="sppWrite"></a>
sppWrite(clientSocket: number, data: ArrayBuffer): void
Writes data to the remote device through the socket.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.sppWrite](js-apis-bluetooth-socket.md#socketsppwrite).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1445,12 +1349,15 @@ try {
```
## bluetoothManager.on('sppRead')
## bluetoothManager.on('sppRead')<sup>(deprecated)</sup>
on(type: "sppRead", clientSocket: number, callback: Callback&lt;ArrayBuffer&gt;): void
Subscribes to the SPP read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.on('sppRead')](js-apis-bluetooth-socket.md#socketonsppread).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1494,12 +1401,15 @@ try {
```
## bluetoothManager.off('sppRead')
## bluetoothManager.off('sppRead')<sup>(deprecated)</sup>
off(type: "sppRead", clientSocket: number, callback?: Callback&lt;ArrayBuffer&gt;): void
Unsubscribes from the SPP read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.off('sppRead')](js-apis-bluetooth-socket.md#socketoffsppread).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1529,7 +1439,7 @@ try {
}
```
## bluetoothManager.getProfileInstance<a name="getProfileInstance"></a>
## bluetoothManager.getProfileInstance<sup>(deprecated)</sup><a name="getProfileInstance"></a>
getProfileInstance(profileId: ProfileId): A2dpSourceProfile | HandsFreeAudioGatewayProfile | HidHostProfile | PanProfile
......@@ -1562,12 +1472,15 @@ try {
## bluetoothManager.BLE
### bluetoothManager.BLE.createGattServer
### createGattServer<sup>(deprecated)</sup>
createGattServer(): GattServer
Creates a **GattServer** instance.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.createGattServer](js-apis-bluetooth-ble.md#blecreategattserver).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Return value**
......@@ -1583,12 +1496,15 @@ let gattServer = bluetoothManager.BLE.createGattServer();
```
### bluetoothManager.BLE.createGattClientDevice
### createGattClientDevice<sup>(deprecated)</sup>
createGattClientDevice(deviceId: string): GattClientDevice
Creates a **GattClientDevice** instance.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.createGattClientDevice](js-apis-bluetooth-ble.md#blecreategattclientdevice).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -1614,12 +1530,15 @@ try {
```
### bluetoothManager.BLE.getConnectedBLEDevices
### getConnectedBLEDevices<sup>(deprecated)</sup>
getConnectedBLEDevices(): Array&lt;string&gt;
Obtains the BLE devices connected to this device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.getConnectedBLEDevices](js-apis-bluetooth-ble.md#blegetconnectedbledevices).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1651,12 +1570,15 @@ try {
```
### bluetoothManager.BLE.startBLEScan
### startBLEScan<sup>(deprecated)</sup>
startBLEScan(filters: Array&lt;ScanFilter&gt;, options?: ScanOptions): void
Starts a BLE scan.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.startBLEScan](js-apis-bluetooth-ble.md#blestartblescan).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH, ohos.permission.MANAGE_BLUETOOTH, ohos.permission.LOCATION, and ohos.permission.APPROXIMATELY_LOCATION
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1704,12 +1626,15 @@ try {
```
### bluetoothManager.BLE.stopBLEScan
### stopBLEScan<sup>(deprecated)</sup>
stopBLEScan(): void
Stops the BLE scan.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.startBLEScan](js-apis-bluetooth-ble.md#blestopblescan).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1735,12 +1660,15 @@ try {
```
### bluetoothManager.BLE.on('BLEDeviceFind')
### on('BLEDeviceFind')<sup>(deprecated)</sup>
on(type: "BLEDeviceFind", callback: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
Subscribe to the BLE device discovery events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.on('BLEDeviceFind')](js-apis-bluetooth-ble.md#bleonbledevicefind).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1774,12 +1702,15 @@ try {
```
### bluetoothManager.BLE.off('BLEDeviceFind')
### off('BLEDeviceFind')<sup>(deprecated)</sup>
off(type: "BLEDeviceFind", callback?: Callback&lt;Array&lt;ScanResult&gt;&gt;): void
Unsubscribes from the BLE device discovery events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.off('BLEDeviceFind')](js-apis-bluetooth-ble.md#bleoffbledevicefind).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1819,12 +1750,15 @@ try {
Provides the profile base class.
### getConnectionDevices<a name="getConnectionDevices"></a>
### getConnectionDevices<sup>(deprecated)</sup><a name="getConnectionDevices"></a>
getConnectionDevices(): Array&lt;string&gt;
Obtains the connected devices.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.getConnectedDevices](js-apis-bluetooth-baseProfile.md#baseprofilegetconnecteddevices).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1857,12 +1791,15 @@ try {
}
```
### getDeviceState<a name="getDeviceState"></a>
### getDeviceState<sup>(deprecated)</sup><a name="getDeviceState"></a>
getDeviceState(device: string): ProfileConnectionState
Obtains the connection state of the profile.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.getConnectionState](js-apis-bluetooth-baseProfile.md#baseprofilegetconnectionstate).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1901,17 +1838,24 @@ try {
}
```
## A2dpSourceProfile
Before using an API of **A2dpSourceProfile**, you need to create an instance of this class by using **getProfile()**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [a2dp.A2dpSourceProfile](js-apis-bluetooth-a2dp.md#a2dpsourceprofile).
### connect<a name="a2dp-connect"></a>
### connect<sup>(deprecated)</sup><a name="a2dp-connect"></a>
connect(device: string): void
Sets up an Advanced Audio Distribution Profile (A2DP) connection.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [a2dp.A2dpSourceProfile#connect](js-apis-bluetooth-a2dp.md#connect).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1945,12 +1889,15 @@ try {
```
### disconnect<a name="a2dp-disconnect"></a>
### disconnect<sup>(deprecated)</sup><a name="a2dp-disconnect"></a>
disconnect(device: string): void
Disconnects an A2DP connection.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [a2dp.A2dpSourceProfile#disconnect](js-apis-bluetooth-a2dp.md#disconnect).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1984,11 +1931,14 @@ try {
```
### on('connectionStateChange')
### on('connectionStateChange')<sup>(deprecated)</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the A2DP connection state change events.
Subscribes to the A2DP connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.on('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileonconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -1996,7 +1946,7 @@ Subscribes to the A2DP connection state change events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an A2DP connection state change event.|
| type | string | Yes | Event type. The value **connectionStateChange** indicates a A2DP connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback invoked to return the A2DP connection state change event. |
**Return value**
......@@ -2014,11 +1964,14 @@ a2dpSrc.on('connectionStateChange', onReceiveEvent);
```
### off('connectionStateChange')
### off('connectionStateChange')<sup>(deprecated)</sup>
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the A2DP connection state change events.
Unsubscribes from the A2DP connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.off('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileoffconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2026,7 +1979,7 @@ Unsubscribes from the A2DP connection state change events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an A2DP connection state change event.|
| type | string | Yes | Event type. The value **connectionStateChange** indicates a A2DP connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback for the A2DP connection state change event. |
**Return value**
......@@ -2045,12 +1998,15 @@ a2dpSrc.off('connectionStateChange', onReceiveEvent);
```
### getPlayingState
### getPlayingState<sup>(deprecated)</sup>
getPlayingState(device: string): PlayingState
Obtains the playing state of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [a2dp.A2dpSourceProfile#getPlayingState](js-apis-bluetooth-a2dp.md#getPlayingState).
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
......@@ -2088,10 +2044,13 @@ try {
```
## HandsFreeAudioGatewayProfile
## HandsFreeAudioGatewayProfile<sup>(deprecated)</sup>
Before using an API of **HandsFreeAudioGatewayProfile**, you need to create an instance of this class by using **getProfile()**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [hfp.HandsFreeAudioGatewayProfile](js-apis-bluetooth-hfp.md#HandsFreeAudioGatewayProfile).
### connect<a name="hfp-connect"></a>
......@@ -2099,6 +2058,9 @@ connect(device: string): void
Sets up a Hands-free Profile (HFP) connection of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [hfp.HandsFreeAudioGatewayProfile#connect](js-apis-bluetooth-hfp.md#connect).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2132,12 +2094,15 @@ try {
```
### disconnect<a name="hfp-disconnect"></a>
### disconnect<sup>(deprecated)</sup><a name="hfp-disconnect"></a>
disconnect(device: string): void
Disconnects the HFP connection of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [hfp.HandsFreeAudioGatewayProfile#disconnect](js-apis-bluetooth-hfp.md#disconnect).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2171,11 +2136,14 @@ try {
```
### on('connectionStateChange')
### on('connectionStateChange')<sup>(deprecated)</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the HFP connection state change events.
Subscribes to the HFP connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.on('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileonconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2183,7 +2151,7 @@ Subscribes to the HFP connection state change events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an HFP connection state change event. |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an HFP connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback invoked to return the HFP connection state change event. |
**Example**
......@@ -2198,11 +2166,14 @@ hfpAg.on('connectionStateChange', onReceiveEvent);
```
### off('connectionStateChange')
### off('connectionStateChange')<sup>(deprecated)</sup>
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the HFP connection state change events.
Unsubscribes from the HFP connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.off('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileoffconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2210,7 +2181,7 @@ Unsubscribes from the HFP connection state change events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an HFP connection state change event. |
| type | string | Yes | Event type. The value **connectionStateChange** indicates an HFP connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback for the HFP connection state change event. |
**Example**
......@@ -2226,7 +2197,7 @@ hfpAg.off('connectionStateChange', onReceiveEvent);
```
## HidHostProfile
## HidHostProfile<sup>(deprecated)</sup>
Before using an API of **HidHostProfile**, you need to create an instance of this class by using **getProfile()**.
......@@ -2237,6 +2208,9 @@ connect(device: string): void
Connects to the HidHost service of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [hid.HidHostProfile#connect](js-apis-bluetooth-hid.md#connect).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
......@@ -2272,12 +2246,15 @@ try {
```
### disconnect<a name="HidHost-disconnect"></a>
### disconnect<sup>(deprecated)</sup><a name="HidHost-disconnect"></a>
disconnect(device: string): void
Disconnects from the HidHost service of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [hid.HidHostProfile#disconnect](js-apis-bluetooth-hid.md#disconnect).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
......@@ -2313,11 +2290,14 @@ try {
```
### on('connectionStateChange')
### on('connectionStateChange')<sup>(deprecated)</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the HidHost connection state change events.
Subscribes to the HidHost connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.on('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileonconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2339,11 +2319,14 @@ hidHost.on('connectionStateChange', onReceiveEvent);
```
### off('connectionStateChange')
### off('connectionStateChange')<sup>(deprecated)</sup>
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the HidHost connection state change events.
Unsubscribes from the HidHost connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.off('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileoffconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2370,13 +2353,19 @@ hidHost.off('connectionStateChange', onReceiveEvent);
Before using an API of **PanProfile**, you need to create an instance of this class by using **getProfile()**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [pan.PanProfile](js-apis-bluetooth-pan.md#panprofile).
### disconnect<a name="PanP-disconnect"></a>
### disconnect<sup>(deprecated)</sup><a name="PanP-disconnect"></a>
disconnect(device: string): void
Disconnects from the Personal Area Network (PAN) service of a device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [pan.PanProfile#disconnect](js-apis-bluetooth-pan.md#disconnect).
**System API**: This is a system API.
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -2412,11 +2401,14 @@ try {
```
### on('connectionStateChange')
### on('connectionStateChange')<sup>(deprecated)</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the PAN connection state change events.
Subscribes to the PAN connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.on('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileonconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2424,8 +2416,8 @@ Subscribes to the PAN connection state change events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a PAN connection state change event. |
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback invoked to return the PAN connection state change event. |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a PAN connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback invoked to return the PAN connection state change event. |
**Example**
......@@ -2438,11 +2430,14 @@ panProfile.on('connectionStateChange', onReceiveEvent);
```
### off('connectionStateChange')
### off('connectionStateChange')<sup>(deprecated)</sup>
off(type: "connectionStateChange", callback?: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the PAN connection state change events.
Unsubscribes from the PAN connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.off('connectionStateChange')](js-apis-bluetooth-baseProfile.md#baseprofileoffconnectionstatechange).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2450,8 +2445,8 @@ Unsubscribes from the PAN connection state change events.
| Name | Type | Mandatory| Description |
| -------- | ----------------------------------------------------- | ---- | --------------------------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a PAN connection state change event. |
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback for the PAN connection state change event. |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a PAN connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback for the PAN connection state change event. |
**Example**
......@@ -2465,12 +2460,15 @@ panProfile.off('connectionStateChange', onReceiveEvent);
```
### setTethering<a name="setTethering"></a>
### setTethering<sup>(deprecated)</sup><a name="setTethering"></a>
setTethering(enable: boolean): void
Sets tethering.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [pan.PanProfile#setTethering](js-apis-bluetooth-pan.md#setTethering).
**System API**: This is a system API.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
......@@ -2506,12 +2504,15 @@ try {
```
### isTetheringOn<a name="isTetheringOn"></a>
### isTetheringOn<sup>(deprecated)</sup><a name="isTetheringOn"></a>
isTetheringOn(): boolean
Obtains the network sharing status.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [pan.PanProfile#isTetheringOn](js-apis-bluetooth-pan.md#isTetheringOn).
**System API**: This is a system API.
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2538,13 +2539,19 @@ try {
Implements the Generic Attribute Profile (GATT) server. Before using an API of this class, you need to create a **GattServer** instance using **createGattServer()**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer](js-apis-bluetooth-ble.md#GattServer).
### startAdvertising
### startAdvertising<sup>(deprecated)</sup>
startAdvertising(setting: AdvertiseSetting, advData: AdvertiseData, advResponse?: AdvertiseData): void
Starts BLE advertising.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.startAdvertising](js-apis-bluetooth-ble.md#blestartadvertising).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2587,7 +2594,7 @@ let gattServer = bluetoothManager.BLE.createGattServer();
try {
gattServer.startAdvertising({
interval:150,
txPower:60,
txPower:0,
connectable:true,
},{
serviceUuids:["00001888-0000-1000-8000-00805f9b34fb"],
......@@ -2616,12 +2623,15 @@ try {
```
### stopAdvertising
### stopAdvertising<sup>(deprecated)</sup>
stopAdvertising(): void
Stops BLE advertising.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.stopAdvertising](js-apis-bluetooth-ble.md#blestopadvertising).
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2648,12 +2658,15 @@ try {
```
### addService
### addService<sup>(deprecated)</sup>
addService(service: GattService): void
Adds a service to this GATT server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#addService](js-apis-bluetooth-ble.md#addservice).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2710,12 +2723,15 @@ try {
```
### removeService
### removeService<sup>(deprecated)</sup>
removeService(serviceUuid: string): void
Removes a service from this GATT server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#removeService](js-apis-bluetooth-ble.md#removeservice).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2749,12 +2765,15 @@ try {
```
### close
### close<sup>(deprecated)</sup>
close(): void
Closes this GATT server to unregister it from the protocol stack. After this method is called, this [GattServer](#gattserver) cannot be used.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#close](js-apis-bluetooth-ble.md#close).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2781,12 +2800,15 @@ try {
```
### notifyCharacteristicChanged
### notifyCharacteristicChanged<sup>(deprecated)</sup>
notifyCharacteristicChanged(deviceId: string, notifyCharacteristic: NotifyCharacteristic): void
Notifies the connected client device when a characteristic value changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#notifyCharacteristicChanged](js-apis-bluetooth-ble.md#notifycharacteristicchanged).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2834,12 +2856,15 @@ try {
```
### sendResponse
### sendResponse<sup>(deprecated)</sup>
sendResponse(serverResponse: ServerResponse): void
Sends a response to a read or write request from the GATT client.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#sendResponse](js-apis-bluetooth-ble.md#sendresponse).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2884,12 +2909,15 @@ try {
```
### on('characteristicRead')
### on('characteristicRead')<sup>(deprecated)</sup>
on(type: "characteristicRead", callback: Callback&lt;CharacteristicReadRequest&gt;): void
Subscribes to the characteristic read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#on('characteristicRead')](js-apis-bluetooth-ble.md#oncharacteristicread).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2927,12 +2955,15 @@ gattServer.on("characteristicRead", ReadCharacteristicReq);
```
### off('characteristicRead')
### off('characteristicRead')<sup>(deprecated)</sup>
off(type: "characteristicRead", callback?: Callback&lt;CharacteristicReadRequest&gt;): void
Unsubscribes from the characteristic read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#off('characteristicRead')](js-apis-bluetooth-ble.md#offcharacteristicread).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2952,12 +2983,15 @@ gattServer.off("characteristicRead");
```
### on('characteristicWrite')
### on('characteristicWrite')<sup>(deprecated)</sup>
on(type: "characteristicWrite", callback: Callback&lt;CharacteristicWriteRequest&gt;): void
Subscribes to the characteristic write request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#on('characteristicWrite')](js-apis-bluetooth-ble.md#oncharacteristicwrite).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -2998,12 +3032,15 @@ gattServer.on("characteristicWrite", WriteCharacteristicReq);
```
### off('characteristicWrite')
### off('characteristicWrite')<sup>(deprecated)</sup>
off(type: "characteristicWrite", callback?: Callback&lt;CharacteristicWriteRequest&gt;): void
Unsubscribes from the characteristic write request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#off('characteristicWrite')](js-apis-bluetooth-ble.md#offcharacteristicwrite).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3023,12 +3060,15 @@ gattServer.off("characteristicWrite");
```
### on('descriptorRead')
### on('descriptorRead')<sup>(deprecated)</sup>
on(type: "descriptorRead", callback: Callback&lt;DescriptorReadRequest&gt;): void
Subscribes to the descriptor read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#on('descriptorRead')](js-apis-bluetooth-ble.md#ondescriptorread).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3038,7 +3078,7 @@ Subscribes to the descriptor read request events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | --------------------------------- |
| type | string | Yes | Event type. The value **descriptorRead** indicates a descriptor read request event.|
| callback | Callback&lt;[DescriptorReadRequest](#descriptorreadrequest)&gt; | Yes | Callback invoked to return a descriptor read request event from the GATT client. |
| callback | Callback&lt;[DescriptorReadRequest](#descriptorreadrequest)&gt; | Yes | Callback invoked to return a descriptor read request event from the GATT client. |
**Example**
......@@ -3066,12 +3106,15 @@ gattServer.on("descriptorRead", ReadDescriptorReq);
```
### off('descriptorRead')
### off('descriptorRead')<sup>(deprecated)</sup>
off(type: "descriptorRead", callback?: Callback&lt;DescriptorReadRequest&gt;): void
Unsubscribes from the descriptor read request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#off('descriptorRead')](js-apis-bluetooth-ble.md#offdescriptorread).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3091,12 +3134,15 @@ gattServer.off("descriptorRead");
```
### on('descriptorWrite')
### on('descriptorWrite')<sup>(deprecated)</sup>
on(type: "descriptorWrite", callback: Callback&lt;DescriptorWriteRequest&gt;): void
Subscribes to the descriptor write request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#on('descriptorWrite')](js-apis-bluetooth-ble.md#ondescriptorwrite).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3106,7 +3152,7 @@ Subscribes to the descriptor write request events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------- |
| type | string | Yes | Event type. The value **descriptorWrite** indicates a descriptor write request event.|
| callback | Callback&lt;[DescriptorWriteRequest](#descriptorwriterequest)&gt; | Yes | Callback invoked to return a descriptor write request from the GATT client. |
| callback | Callback&lt;[DescriptorWriteRequest](#descriptorwriterequest)&gt; | Yes | Callback invoked to return a descriptor write request from the GATT client. |
**Example**
......@@ -3137,12 +3183,15 @@ gattServer.on("descriptorRead", WriteDescriptorReq);
```
### off('descriptorWrite')
### off('descriptorWrite')<sup>(deprecated)</sup>
off(type: "descriptorWrite", callback?: Callback&lt;DescriptorWriteRequest&gt;): void
Unsubscribes from the descriptor write request events.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#off('descriptorWrite')](js-apis-bluetooth-ble.md#offdescriptorwrite).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3162,11 +3211,14 @@ gattServer.off("descriptorWrite");
```
### on('connectStateChange')
### on('connectStateChange')<sup>(deprecated)</sup>
on(type: "connectStateChange", callback: Callback&lt;BLEConnectChangedState&gt;): void
Subscribes to the BLE connection state change events.
Subscribes to the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#on('connectionStateChange')](js-apis-bluetooth-ble.md#onconnectionstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3192,11 +3244,14 @@ gattServer.on("connectStateChange", Connected);
```
### off('connectStateChange')
### off('connectStateChange')<sup>(deprecated)</sup>
off(type: "connectStateChange", callback?: Callback&lt;BLEConnectChangedState&gt;): void
Unsubscribes from the BLE connection state change events.
Unsubscribes from the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattServer#off('connectionStateChange')](js-apis-bluetooth-ble.md#offconnectionstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3221,13 +3276,19 @@ gattServer.off("connectStateChange");
Implements the GATT client. Before using an API of this class, you must create a **GattClientDevice** instance using **createGattClientDevice(deviceId: string)**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice](js-apis-bluetooth-ble.md#gattclientdevice).
### connect
### connect<sup>(deprecated)</sup>
connect(): void
Initiates a connection to the remote BLE device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#connect](js-apis-bluetooth-ble.md#connect).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3254,12 +3315,15 @@ try {
```
### disconnect
### disconnect<sup>(deprecated)</sup>
disconnect(): void
Disconnects from the remote BLE device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#disconnect](js-apis-bluetooth-ble.md#disconnect).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3286,12 +3350,15 @@ try {
```
### close
### close<sup>(deprecated)</sup>
close(): void
Closes this GATT client to unregister it from the protocol stack. After this method is called, this [GattClientDevice](#gattclientdevice) instance cannot be used.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#close](js-apis-bluetooth-ble.md#close).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3320,12 +3387,15 @@ try {
### getServices
### getServices<sup>(deprecated)</sup>
getServices(callback: AsyncCallback&lt;Array&lt;GattService&gt;&gt;): void
Obtains all services of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getServices](js-apis-bluetooth-ble.md#getservices).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3371,12 +3441,15 @@ try {
```
### getServices
### getServices<sup>(deprecated)</sup>
getServices(): Promise&lt;Array&lt;GattService&gt;&gt;
Obtains all services of the remote BLE device. This API uses a promise to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getServices](js-apis-bluetooth-ble.md#getservices-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3412,12 +3485,15 @@ try {
```
### readCharacteristicValue
### readCharacteristicValue<sup>(deprecated)</sup>
readCharacteristicValue(characteristic: BLECharacteristic, callback: AsyncCallback&lt;BLECharacteristic&gt;): void
Reads the characteristic value of the specific service of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#readCharacteristicValue](js-apis-bluetooth-ble.md#readcharacteristicvalue).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3476,12 +3552,15 @@ try {
```
### readCharacteristicValue
### readCharacteristicValue<sup>(deprecated)</sup>
readCharacteristicValue(characteristic: BLECharacteristic): Promise&lt;BLECharacteristic&gt;
Reads the characteristic value of the specific service of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#readCharacteristicValue](js-apis-bluetooth-ble.md#readcharacteristicvalue-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3536,12 +3615,15 @@ try {
```
### readDescriptorValue
### readDescriptorValue<sup>(deprecated)</sup>
readDescriptorValue(descriptor: BLEDescriptor, callback: AsyncCallback&lt;BLEDescriptor&gt;): void
Reads the descriptor contained in the specific characteristic of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#readDescriptorValue](js-apis-bluetooth-ble.md#readdescriptorvalue).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3593,12 +3675,15 @@ try {
```
### readDescriptorValue
### readDescriptorValue<sup>(deprecated)</sup>
readDescriptorValue(descriptor: BLEDescriptor): Promise&lt;BLEDescriptor&gt;
Reads the descriptor contained in the specific characteristic of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#readDescriptorValue](js-apis-bluetooth-ble.md#readdescriptorvalue-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3646,12 +3731,15 @@ try {
```
### writeCharacteristicValue
### writeCharacteristicValue<sup>(deprecated)</sup>
writeCharacteristicValue(characteristic: BLECharacteristic): void
Writes a characteristic value to the remote BLE device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#writeCharacteristicValue](js-apis-bluetooth-ble.md#writecharacteristicvalue).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3699,12 +3787,15 @@ try {
```
### writeDescriptorValue
### writeDescriptorValue<sup>(deprecated)</sup>
writeDescriptorValue(descriptor: BLEDescriptor): void
Writes binary data to the specific descriptor of the remote BLE device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#writeCharacteristicValue](js-apis-bluetooth-ble.md#writecharacteristicvalue-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3747,12 +3838,15 @@ try {
```
### setBLEMtuSize
### setBLEMtuSize<sup>(deprecated)</sup>
setBLEMtuSize(mtu: number): void
Sets the maximum transmission unit (MTU) that can be transmitted between the GATT client and its remote BLE device. This API can be used only after a connection is set up by calling [connect](#connect).
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#setBLEMtuSize](js-apis-bluetooth-ble.md#setBLEMtuSize).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3784,12 +3878,15 @@ try {
```
### setNotifyCharacteristicChanged
### setNotifyCharacteristicChanged<sup>(deprecated)</sup>
setNotifyCharacteristicChanged(characteristic: BLECharacteristic, enable: boolean): void
Sets the function of notifying the GATT client when the characteristic value of the remote BLE device changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#setCharacteristicChangeNotification](js-apis-bluetooth-ble.md#setcharacteristicchangenotification).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -3835,11 +3932,14 @@ try {
```
### on('BLECharacteristicChange')
### on('BLECharacteristicChange')<sup>(deprecated)</sup>
on(type: "BLECharacteristicChange", callback: Callback&lt;BLECharacteristic&gt;): void
Subscribes to the BLE characteristic change events. The client can receive a notification from the server only after the **setNotifyCharacteristicChanged** method is called.
Subscribes to the BLE characteristic changes. The client can receive a notification from the server only after the **setNotifyCharacteristicChanged** method is called.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#on('BLECharacteristicChange')](js-apis-bluetooth-ble.md#onblecharacteristicchange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3869,11 +3969,14 @@ try {
```
### off('BLECharacteristicChange')
### off('BLECharacteristicChange')<sup>(deprecated)</sup>
off(type: "BLECharacteristicChange", callback?: Callback&lt;BLECharacteristic&gt;): void
Unsubscribes from the BLE characteristic change events.
Unsubscribes from the BLE characteristic changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#off('BLECharacteristicChange')](js-apis-bluetooth-ble.md#offblecharacteristicchange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3898,11 +4001,14 @@ try {
```
### on('BLEConnectionStateChange')
### on('BLEConnectionStateChange')<sup>(deprecated)</sup>
on(type: "BLEConnectionStateChange", callback: Callback&lt;BLEConnectChangedState&gt;): void
Subscribes to the BLE connection state change events.
Subscribes to the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#on('BLEConnectionStateChange')](js-apis-bluetooth-ble.md#onbleconnectionstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3931,11 +4037,14 @@ try {
```
### off('BLEConnectionStateChange')
### off('BLEConnectionStateChange')<sup>(deprecated)</sup>
off(type: "BLEConnectionStateChange", callback?: Callback&lt;BLEConnectChangedState&gt;): void
Unsubscribes from the BLE connection state change events.
Unsubscribes from the BLE connection state changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#off('BLEConnectionStateChange')](js-apis-bluetooth-ble.md#offbleconnectionstatechange).
**Required permissions**: ohos.permission.USE_BLUETOOTH
......@@ -3960,12 +4069,15 @@ try {
```
### getDeviceName
### getDeviceName<sup>(deprecated)</sup>
getDeviceName(callback: AsyncCallback&lt;string&gt;): void
Obtains the name of the remote BLE device. This API uses an asynchronous callback to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getDeviceName](js-apis-bluetooth-ble.md#getdevicename).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -4002,12 +4114,15 @@ try {
```
### getDeviceName
### getDeviceName<sup>(deprecated)</sup>
getDeviceName(): Promise&lt;string&gt;
Obtains the name of the remote BLE device. This API uses a promise to return the result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getDeviceName](js-apis-bluetooth-ble.md#getdevicename-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -4043,12 +4158,15 @@ try {
```
### getRssiValue
### getRssiValue<sup>(deprecated)</sup>
getRssiValue(callback: AsyncCallback&lt;number&gt;): void
Obtains the received signal strength indication (RSSI) of the remote BLE device. This API uses an asynchronous callback to return the result. It can be used only after a connection is set up by calling [connect](#connect).
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getRssiValue](js-apis-bluetooth-ble.md#getrssivalue).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -4084,12 +4202,15 @@ try {
```
### getRssiValue
### getRssiValue<sup>(deprecated)</sup>
getRssiValue(): Promise&lt;number&gt;
Obtains the RSSI of the remote BLE device. This API uses a promise to return the result. It can be used only after a connection is set up by calling [connect](#connect).
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattClientDevice#getRssiValue](js-apis-bluetooth-ble.md#getrssivalue-1).
**Required permissions**: ohos.permission.USE_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -4122,10 +4243,13 @@ try {
}
```
## ScanMode<a name="ScanMode"></a>
## ScanMode<sup>(deprecated)</sup><a name="ScanMode"></a>
Enumerates the scan modes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.ScanMode](js-apis-bluetooth-connection.md#scanmode).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4137,10 +4261,13 @@ Enumerates the scan modes.
| SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE | 4 | General connectable and discoverable mode.|
| SCAN_MODE_CONNECTABLE_LIMITED_DISCOVERABLE | 5 | Limited connectable and discoverable mode.|
## BondState<a name="BondState"></a>
## BondState<sup>(deprecated)</sup><a name="BondState"></a>
Enumerates the pairing states.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.BondState](js-apis-bluetooth-connection.md#bondstate).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4150,10 +4277,13 @@ Enumerates the pairing states.
| BOND_STATE_BONDED | 2 | Paired. |
## SppOption<a name="SppOption"></a>
## SppOption<sup>(deprecated)</sup><a name="SppOption"></a>
Defines the SPP configuration parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.SppOption](js-apis-bluetooth-socket.md#sppoptions).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4163,10 +4293,13 @@ Defines the SPP configuration parameters.
| type | [SppType](#spptype) | Yes | Yes | Type of the SPP link. |
## SppType<a name="SppType"></a>
## SppType<sup>(deprecated)</sup><a name="SppType"></a>
Enumerates the SPP link types.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [socket.SppType](js-apis-bluetooth-socket.md#spptype).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4174,10 +4307,13 @@ Enumerates the SPP link types.
| SPP_RFCOMM | 0 | Radio frequency communication (RFCOMM) link type.|
## GattService
## GattService<sup>(deprecated)</sup>
Defines the GATT service API parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.GattService](js-apis-bluetooth-ble.md#gattservice).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4188,10 +4324,13 @@ Defines the GATT service API parameters.
| includeServices | Array&lt;[GattService](#gattservice)&gt; | Yes | Yes | Services on which the service depends. |
## BLECharacteristic
## BLECharacteristic<sup>(deprecated)</sup>
Defines the characteristic API parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.BLECharacteristic](js-apis-bluetooth-ble.md#blecharacteristic).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4200,12 +4339,14 @@ Defines the characteristic API parameters.
| characteristicUuid | string | Yes | Yes | UUID of the characteristic, for example, **00002a11-0000-1000-8000-00805f9b34fb**.|
| characteristicValue | ArrayBuffer | Yes | Yes | Binary value of the characteristic. |
| descriptors | Array&lt;[BLEDescriptor](#bledescriptor)&gt; | Yes | Yes | List of descriptors of the characteristic. |
| properties<sup>10+</sup> | [GattProperties](#gattproperties10) | Yes | Yes | Properties of the characteristic. |
## BLEDescriptor
## BLEDescriptor<sup>(deprecated)</sup>
Defines the descriptor API parameters.
Defines the BLE descriptor.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.BLEDescriptor](js-apis-bluetooth-ble.md#bledescriptor).
**System capability**: SystemCapability.Communication.Bluetooth.Core
......@@ -4217,10 +4358,13 @@ Defines the BLE descriptor.
| descriptorValue | ArrayBuffer | Yes | Yes | Binary value of the descriptor. |
## NotifyCharacteristic
## NotifyCharacteristic<sup>(deprecated)</sup>
Defines the parameters in the notifications sent when the server characteristic value changes.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.NotifyCharacteristic](js-apis-bluetooth-ble.md#notifycharacteristic).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4231,10 +4375,13 @@ Defines the parameters in the notifications sent when the server characteristic
| confirm | boolean | Yes | Yes | Whether the notification needs to be confirmed by the remote end. For a notification, set it to **true**. In this case, the remote end must confirm the receipt of the notification. For an indication, set it to **false**. In this case, the remote end does not need to confirm the receipt of the notification.|
## CharacteristicReadRequest
## CharacteristicReadRequest<sup>(deprecated)</sup>
Defines the parameters of the **CharacteristicReadReq** event received by the server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.CharacteristicReadRequest](js-apis-bluetooth-ble.md#characteristicreadrequest).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4246,10 +4393,13 @@ Defines the parameters of the **CharacteristicReadReq** event received by the se
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## CharacteristicWriteRequest
## CharacteristicWriteRequest<sup>(deprecated)</sup>
Defines the parameters of the **CharacteristicWriteReq** event received by the server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.CharacteristicWriteRequest](js-apis-bluetooth-ble.md#characteristicwriterequest).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4262,10 +4412,13 @@ Defines the parameters of the **CharacteristicWriteReq** event received by the s
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## DescriptorReadRequest
## DescriptorReadRequest<sup>(deprecated)</sup>
Defines the parameters of the **DescriptorReadReq** event received by the server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.DescriptorReadRequest](js-apis-bluetooth-ble.md#descriptorreadrequest).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4278,10 +4431,13 @@ Defines the parameters of the **DescriptorReadReq** event received by the server
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## DescriptorWriteRequest
## DescriptorWriteRequest<sup>(deprecated)</sup>
Defines the parameters of the **DescriptorWriteReq** event received by the server.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.DescriptorWriteRequest](js-apis-bluetooth-ble.md#descriptorwriterequest).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4297,10 +4453,13 @@ Defines the parameters of the **DescriptorWriteReq** event received by the serve
| serviceUuid | string | Yes | No | UUID of the service, for example, **00001888-0000-1000-8000-00805f9b34fb**.|
## ServerResponse
## ServerResponse<sup>(deprecated)</sup>
Defines the parameters of the server's response to the GATT client's read/write request.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ServerResponse](js-apis-bluetooth-ble.md#serverresponse).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4312,10 +4471,13 @@ Defines the parameters of the server's response to the GATT client's read/write
| value | ArrayBuffer | Yes | No | Binary data in the response. |
## BLEConnectChangedState
## BLEConnectChangedState<sup>(deprecated)</sup>
Defines the parameters of **BLEConnectChangedState**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [BLEConnectionChangeState](js-apis-bluetooth-ble.md#bleconnectionchangestate).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
......@@ -4324,10 +4486,13 @@ Defines the parameters of **BLEConnectChangedState**.
| state | [ProfileConnectionState](#profileconnectionstate) | Yes | Yes | BLE connection state. |
## ProfileConnectionState
## ProfileConnectionState<sup>(deprecated)</sup>
Enumerates the profile connection states.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [constant.ProfileConnectionState](js-apis-bluetooth-constant.md#profileconnectionstate).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4338,10 +4503,13 @@ Enumerates the profile connection states.
| STATE_DISCONNECTING | 3 | Disconnecting.|
## ScanFilter
## ScanFilter<sup>(deprecated)</sup>
Defines the scan filter parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ScanFilter](js-apis-bluetooth-ble.md#scanfilter).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
......@@ -4359,10 +4527,13 @@ Defines the scan filter parameters.
| manufactureDataMask | ArrayBuffer | Yes | Yes | Manufacturer data mask of the device to filter, for example, **[0xFF, 0xFF, 0xFF]**.|
## ScanOptions
## ScanOptions<sup>(deprecated)</sup>
Defines the scan configuration parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ScanOptions](js-apis-bluetooth-ble.md#scanoptions).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4372,10 +4543,13 @@ Defines the scan configuration parameters.
| matchMode | [MatchMode](#matchmode) | Yes | Yes | Hardware filtering match mode. The default value is **MATCH_MODE_AGGRESSIVE**.|
## ScanDuty
## ScanDuty<sup>(deprecated)</sup>
Enumerates the scan duty options.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ScanDuty](js-apis-bluetooth-ble.md#scanduty).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4385,10 +4559,13 @@ Enumerates the scan duty options.
| SCAN_MODE_LOW_LATENCY | 2 | Low-latency mode. |
## MatchMode
## MatchMode<sup>(deprecated)</sup>
Enumerates the hardware match modes of BLE scan filters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.MatchMode](js-apis-bluetooth-ble.md#matchmode).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4397,10 +4574,13 @@ Enumerates the hardware match modes of BLE scan filters.
| MATCH_MODE_STICKY | 2 | Hardware reports the scan result with a higher threshold of signal strength and sightings. |
## ScanResult
## ScanResult<sup>(deprecated)</sup>
Defines the scan result.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ScanResult](js-apis-bluetooth-ble.md#scanresult).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4408,13 +4588,15 @@ Defines the scan result.
| deviceId | string | Yes | No | Address of the scanned device, for example, XX:XX:XX:XX:XX:XX.|
| rssi | number | Yes | No | RSSI of the device. |
| data | ArrayBuffer | Yes | No | Advertisement packets sent by the device. |
| deviceName<sup>10+</sup> | string | Yes | No | Name of the device detected. |
## BluetoothState
## BluetoothState<sup>(deprecated)</sup>
Enumerates the Bluetooth states.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [access.BluetoothState](js-apis-bluetooth-access.md#bluetoothstate).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4428,10 +4610,13 @@ Enumerates the Bluetooth states.
| STATE_BLE_TURNING_OFF | 6 | The LE-only mode is being turned off for Bluetooth.|
## AdvertiseSetting
## AdvertiseSetting<sup>(deprecated)</sup>
Defines the BLE advertising parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.AdvertiseSetting](js-apis-bluetooth-ble.md#advertisesetting).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4441,10 +4626,13 @@ Defines the BLE advertising parameters.
| connectable | boolean | Yes | Yes | Whether the advertisement is connectable. The default value is **true**. |
## AdvertiseData
## AdvertiseData<sup>(deprecated)</sup>
Defines the content of a BLE advertisement packet.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.AdvertiseData](js-apis-bluetooth-ble.md#advertisedata).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4452,13 +4640,15 @@ Defines the content of a BLE advertisement packet.
| serviceUuids | Array&lt;string&gt; | Yes | Yes | List of service UUIDs to broadcast.|
| manufactureData | Array&lt;[ManufactureData](#manufacturedata)&gt; | Yes | Yes | List of manufacturers to broadcast. |
| serviceData | Array&lt;[ServiceData](#servicedata)&gt; | Yes | Yes | List of service data to broadcast. |
| includeDeviceName<sup>10+</sup> | boolean | Yes | Yes | Whether the device name is contained. This parameter is optional. |
## ManufactureData
## ManufactureData<sup>(deprecated)</sup>
Defines the content of a BLE advertisement packet.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ManufactureData](js-apis-bluetooth-ble.md#manufacturedata).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4467,10 +4657,13 @@ Defines the content of a BLE advertisement packet.
| manufactureValue | ArrayBuffer | Yes | Yes | Manufacturer data. |
## ServiceData
## ServiceData<sup>(deprecated)</sup>
Defines the service data contained in an advertisement packet.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [ble.ServiceData](js-apis-bluetooth-ble.md#servicedata).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4479,23 +4672,28 @@ Defines the service data contained in an advertisement packet.
| serviceValue | ArrayBuffer | Yes | Yes | Service data. |
## PinRequiredParam<a name="PinRequiredParam"></a>
## PinRequiredParam<sup>(deprecated)</sup><a name="PinRequiredParam"></a>
Defines the pairing request parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.PinRequiredParam](js-apis-bluetooth-connection.md#pinrequiredparam).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
| -------- | ------ | ---- | ---- | ----------- |
| deviceId | string | Yes | No | ID of the device to pair.|
| pinCode | string | Yes | No | Key for the device pairing. |
| pinType<sup>10+</sup> | [PinType](#pintype10) | Yes | No | Type of the device to pair.<br>This is a system API. |
## BondStateParam<a name="BondStateParam"></a>
## BondStateParam<sup>(deprecated)</sup><a name="BondStateParam"></a>
Defines the pairing state parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.BondStateParam](js-apis-bluetooth-connection.md#bondstateparam).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4504,10 +4702,13 @@ Defines the pairing state parameters.
| state | BondState | Yes | No | State of the device.|
## StateChangeParam<a name="StateChangeParam"></a>
## StateChangeParam<sup>(deprecated)</sup><a name="StateChangeParam"></a>
Defines the profile state change parameters.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [baseProfile.StateChangeParam](js-apis-bluetooth-baseProfile.md#statechangeparam).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable| Writable| Description |
......@@ -4516,25 +4717,13 @@ Defines the profile state change parameters.
| state | [ProfileConnectionState](#profileconnectionstate) | Yes | No | Profile connection state of the device.|
## GattProperties<sup>10+</sup><a name="GattProperties"></a>
Defines the properties of a GATT characteristic.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Mandatory | Description |
| -------- | ------ |---- | ----------- |
| write<sup>10+</sup> | boolean | Yes | Permits writes of the characteristic value (with a response).|
| writeNoResponse<sup>10+</sup> | boolean | Yes | Permits writes of the characteristic value (without a response).|
| read<sup>10+</sup> | boolean | Yes | Permits reads of the characteristic value.|
| notify<sup>10+</sup> | boolean | Yes | Permits notifications of the characteristic value.|
| indicate<sup>10+</sup> | boolean | Yes | Permits notifications of the characteristic value without acknowledgement.|
## DeviceClass<a name="DeviceClass"></a>
## DeviceClass<sup>(deprecated)</sup><a name="DeviceClass"></a>
Defines the class of a Bluetooth device.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [connection.DeviceClass](js-apis-bluetooth-connection.md#deviceclass).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Type | Readable | Writable | Description |
......@@ -4544,10 +4733,13 @@ Defines the class of a Bluetooth device.
| classOfDevice | number | Yes | No | Class of the device. |
## MajorClass<a name="MajorClass"></a>
## MajorClass<sup>(deprecated)</sup><a name="MajorClass"></a>
Enumerates the major classes of Bluetooth devices.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [constant.MajorClass](js-apis-bluetooth-constant.md#majorclass).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4565,10 +4757,13 @@ Enumerates the major classes of Bluetooth devices.
| MAJOR_UNCATEGORIZED | 0x1F00 | Unclassified device. |
## MajorMinorClass<a name="MajorMinorClass"></a>
## MajorMinorClass<sup>(deprecated)</sup><a name="MajorMinorClass"></a>
Enumerates the major and minor classes of Bluetooth devices.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [constant.MajorMinorClass](js-apis-bluetooth-constant.md#majorminorclass).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4661,10 +4856,13 @@ Enumerates the major and minor classes of Bluetooth devices.
| HEALTH_PERSONAL_MOBILITY_DEVICE | 0x093C | Personal mobility device. |
## PlayingState<a name="PlayingState"></a>
## PlayingState<sup>(deprecated)</sup><a name="PlayingState"></a>
Enumerates the A2DP playing states.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [a2dp.PlayingState](js-apis-bluetooth-a2dp.md#playingstate).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4673,10 +4871,13 @@ Enumerates the A2DP playing states.
| STATE_PLAYING | 0x0001 | Playing.|
## ProfileId<a name="ProfileId"></a>
## ProfileId<sup>(deprecated)</sup><a name="ProfileId"></a>
Enumerates the Bluetooth profiles. API version 9 is added with **PROFILE_HID_HOST** and **PROFILE_PAN_NETWORK**.
> **NOTE**<br>
> This API is supported since API version 9 and deprecated since API version 10. You are advised to use [constant.ProfileId](js-apis-bluetooth-constant.md#profileid).
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
......@@ -4685,35 +4886,3 @@ Enumerates the Bluetooth profiles. API version 9 is added with **PROFILE_HID_HOS
| PROFILE_HANDS_FREE_AUDIO_GATEWAY | 4 | HFP profile. |
| PROFILE_HID_HOST | 6 | Human Interface Device (HID) profile. |
| PROFILE_PAN_NETWORK | 7 | PAN profile. |
## BluetoothTransport<sup>10+</sup><a name="BluetoothTransport"></a>
Enumerates the device types. The default device type is **TRANSPORT_BR_EDR**.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| TRANSPORT_BR_EDR<sup>10+</sup> | 0 | Classic Bluetooth (BR/EDR) device.|
| TRANSPORT_LE<sup>10+</sup> | 1 | BLE device. |
## PinType<sup>10+</sup><a name="PinType"></a>
Enumerates the Bluetooth pairing types.
**System API**: This is a system API.
**System capability**: SystemCapability.Communication.Bluetooth.Core
| Name | Value | Description |
| -------------------------------- | ------ | --------------- |
| PIN_TYPE_ENTER_PIN_CODE<sup>10+</sup> | 0 | The user needs to enter the PIN displayed on the peer device.<br>This is a system API.|
| PIN_TYPE_ENTER_PASSKEY<sup>10+</sup> | 1 | The user needs to enter the PASSKEY displayed on the peer device.<br>This is a system API. |
| PIN_TYPE_CONFIRM_PASSKEY<sup>10+</sup> | 2 | The user needs to confirm the PASSKEY displayed on the local device.<br>This is a system API. |
| PIN_TYPE_NO_PASSKEY_CONSENT<sup>10+</sup> | 3 | There is no PASSKEY, and the user needs to accept or reject the pairing request.<br>This is a system API. |
| PIN_TYPE_NOTIFY_PASSKEY<sup>10+</sup> | 4 | The user needs to enter the PASSKEY displayed on the local device on the peer device.<br>This is a system API. |
| PIN_TYPE_DISPLAY_PIN_CODE<sup>10+</sup> | 5 | The user needs to enter the PIN displayed on the peer device for Bluetooth 2.0 devices.<br>This is a system API. |
| PIN_TYPE_OOB_CONSENT<sup>10+</sup> | 6 | The user needs to accept or reject the out of band (OOB) pairing request.<br>This is a system API. |
| PIN_TYPE_PIN_16_DIGITS<sup>10+</sup> | 7 | The user needs to enter the 16-digit PIN displayed on the peer device.<br>This is a system API. |
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