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提交 713d2320 编写于 作者: A Annie_wang
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update docs 

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>
上级 3c7d3f67
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Showing with 227 addition and 72 deletion
en/application-dev/reference/apis/js-apis-bluetooth.md
浏览文件 @ 713d2320
...@@ -13,17 +13,6 @@ import bluetooth from '@ohos.bluetooth'; ...@@ -13,17 +13,6 @@ import bluetooth from '@ohos.bluetooth';
``` ```
## Required Permissions
ohos.permission.USE_BLUETOOTH
ohos.permission.MANAGE_BLUETOOTH
ohos.permission.DISCOVER_BLUETOOTH
ohos.permission.LOCATION
## bluetooth.enableBluetooth<sup>8+</sup><a name="enableBluetooth"></a> ## bluetooth.enableBluetooth<sup>8+</sup><a name="enableBluetooth"></a>
enableBluetooth(): boolean enableBluetooth(): boolean
...@@ -202,7 +191,7 @@ let result = bluetooth.pairDevice("XX:XX:XX:XX:XX:XX"); ...@@ -202,7 +191,7 @@ let result = bluetooth.pairDevice("XX:XX:XX:XX:XX:XX");
getProfileConnState(profileId: ProfileId): ProfileConnectionState getProfileConnState(profileId: ProfileId): ProfileConnectionState
Obtains the connection status of a profile. Obtains the connection state of a profile.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -237,6 +226,8 @@ Cancels a paired remote device. ...@@ -237,6 +226,8 @@ Cancels a paired remote device.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
**System API**: This is a system API and cannot be called by third-party applications.
**Parameters** **Parameters**
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
...@@ -979,13 +970,13 @@ Obtains a profile object. ...@@ -979,13 +970,13 @@ Obtains a profile object.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| --------- | --------- | ---- | ------------------------------------- | | --------- | --------- | ---- | ------------------------------------- |
| ProfileId | profileId | Yes | ID of the profile to obtain, for example, **PROFILE_A2DP_SOURCE**.| | profileId | [ProfileId](#ProfileId) | Yes | ID of the profile to obtain, for example, **PROFILE_A2DP_SOURCE**.|
**Return value** **Return value**
| Type | Description | | Type | Description |
| ---------------------------------------- | ---------------------------------------- | | ------------------------------------------------------------ | ------------------------------------------------------------ |
| A2dpSourceProfile or HandsFreeAudioGatewayProfile| Profile object obtained. Only **A2dpSourceProfile** and **HandsFreeAudioGatewayProfile** are supported.| | [A2dpSourceProfile](#A2dpSourceProfile) or [HandsFreeAudioGatewayProfile](#HandsFreeAudioGatewayProfile) | Profile object obtained. Only **A2dpSourceProfile** and **HandsFreeAudioGatewayProfile** are supported.|
**Example** **Example**
...@@ -993,6 +984,32 @@ Obtains a profile object. ...@@ -993,6 +984,32 @@ Obtains a profile object.
let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE); let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE);
``` ```
## bluetooth.getProfile<sup>9+</sup><a name="getProfile"></a>
getProfile(profileId: ProfileId): A2dpSourceProfile | HandsFreeAudioGatewayProfile | HidHostProfile
Obtains the profile object instance based on **ProfileId**. API version 9 is added with **HidHostProfile**.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| --------- | --------- | ---- | ------------------------------------- |
| profileId | [ProfileId](#ProfileId) | Yes | ID of the target profile, for example, **PROFILE_A2DP_SOURCE**.|
**Return value**
| Type | Description |
| ------------------------------------------------------------ | ------------------------------------------------------------ |
| [A2dpSourceProfile](#A2dpSourceProfile), [HandsFreeAudioGatewayProfile](#HandsFreeAudioGatewayProfile), or [HidHostProfile](#HidHostProfile) | Profile object obtained. **A2dpSourceProfile**, **HandsFreeAudioGatewayProfile**, and **HidHostProfile** are supported.|
**Example**
```js
let hidHost = bluetooth.getProfile(PROFILE_HID_HOST);
```
## bluetooth.BLE ## bluetooth.BLE
...@@ -1215,17 +1232,22 @@ No value is returned. ...@@ -1215,17 +1232,22 @@ No value is returned.
**Return value** **Return value**
| | | | Type | Description |
| ------------------- | ------------- | | ------------------- | ------------- |
| Type | Description | | Array&lt;string&gt; | Addresses of the connected devices.|
| Array&lt;string&gt; | List of addresses of the connected devices. |
**Example**
```js
let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE)
let retArray = a2dpSrc.getConnectionDevices();
```
### getDeviceState<sup>8+</sup><a name="getDeviceState"></a> ### getDeviceState<sup>8+</sup><a name="getDeviceState"></a>
getDeviceState(device: string): ProfileConnectionState getDeviceState(device: string): ProfileConnectionState
Obtains the connection status of the profile. Obtains the connection state of the profile.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -1235,16 +1257,20 @@ Obtains the connection status of the profile. ...@@ -1235,16 +1257,20 @@ Obtains the connection status of the profile.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the target device.| | device | string | Yes | Address of the remote device.|
|
**Return value** **Return value**
| | | | Type | Description |
| ------------------------------------------------- | ----------------------- | | ------------------------------------------------- | ----------------------- |
| Type | Description | | [ProfileConnectionState](#profileconnectionstate) | Profile connection state obtained.|
| [ProfileConnectionState](#profileconnectionstate) | Profile connection state obtained. |
**Example**
```js
let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE)
let ret = a2dpSrc.getDeviceState('XX:XX:XX:XX:XX:XX');
```
## A2dpSourceProfile ## A2dpSourceProfile
...@@ -1266,14 +1292,12 @@ Sets up an Advanced Audio Distribution Profile (A2DP) connection. ...@@ -1266,14 +1292,12 @@ Sets up an Advanced Audio Distribution Profile (A2DP) connection.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the remote device to connect.| | device | string | Yes | Address of the remote device to connect.|
|
**Return value** **Return value**
| | | | Type | Description |
| ------- | ------------------- | | ------- | ------------------- |
| Type | Description | | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
| boolean | Returns **true** if the operation is successful; returns **false** otherwise. |
**Example** **Example**
...@@ -1298,14 +1322,12 @@ Disconnects an A2DP connection. ...@@ -1298,14 +1322,12 @@ Disconnects an A2DP connection.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the remote device to disconnect.| | device | string | Yes | Address of the remote device to disconnect.|
|
**Return value** **Return value**
| | | | Type | Description |
| ------- | ------------------- | | ------- | ------------------- |
| Type | Description | | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
| boolean | Returns **true** if the operation is successful; returns **false** otherwise. |
**Example** **Example**
...@@ -1315,11 +1337,11 @@ let ret = a2dpSrc.disconnect('XX:XX:XX:XX:XX:XX'); ...@@ -1315,11 +1337,11 @@ let ret = a2dpSrc.disconnect('XX:XX:XX:XX:XX:XX');
``` ```
### A2dpSourceProfile.on('connectionStateChange')<sup>8+</sup> ### on('connectionStateChange')<sup>8+</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the A2DP connection status change events. Subscribes to the A2DP connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -1340,15 +1362,16 @@ No value is returned. ...@@ -1340,15 +1362,16 @@ No value is returned.
function onReceiveEvent(data) { function onReceiveEvent(data) {
console.info('a2dp state = '+ JSON.stringify(data)); console.info('a2dp state = '+ JSON.stringify(data));
} }
A2dpSourceProfile.on('connectionStateChange', onReceiveEvent); let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE);
a2dpSrc.on('connectionStateChange', onReceiveEvent);
``` ```
### A2dpSourceProfile.off('connectionStateChange')<sup>8+</sup> ### off('connectionStateChange')<sup>8+</sup>
off(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void off(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the A2DP connection status change events. Unsubscribes from the A2DP connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -1357,7 +1380,7 @@ Unsubscribes from the A2DP connection status change events. ...@@ -1357,7 +1380,7 @@ Unsubscribes from the A2DP connection status change events.
| Name | Type | Mandatory | Description | | 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 an A2DP connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback used to return the A2DP connection state change event. | | callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback used to return the A2DP connection state change event. |
**Return value** **Return value**
...@@ -1369,7 +1392,9 @@ No value is returned. ...@@ -1369,7 +1392,9 @@ No value is returned.
function onReceiveEvent(data) { function onReceiveEvent(data) {
console.info('a2dp state = '+ JSON.stringify(data)); console.info('a2dp state = '+ JSON.stringify(data));
} }
A2dpSourceProfile.off('connectionStateChange', onReceiveEvent); let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE);
a2dpSrc.on('connectionStateChange', onReceiveEvent);
a2dpSrc.off('connectionStateChange', onReceiveEvent);
``` ```
...@@ -1377,7 +1402,7 @@ A2dpSourceProfile.off('connectionStateChange', onReceiveEvent); ...@@ -1377,7 +1402,7 @@ A2dpSourceProfile.off('connectionStateChange', onReceiveEvent);
getPlayingState(device: string): PlayingState getPlayingState(device: string): PlayingState
Obtains the playing status of a device. Obtains the playing state of a device.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -1385,14 +1410,13 @@ Obtains the playing status of a device. ...@@ -1385,14 +1410,13 @@ Obtains the playing status of a device.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the target device.| | device | string | Yes | Address of the remote device.|
**Return value** **Return value**
| | | | Type | Description |
| ----------------------------- | ---------- | | ----------------------------- | ---------- |
| Type | Description | | [PlayingState](#PlayingState) | Playing state of the remote device obtained.|
| [PlayingState](#PlayingState) | Playing status obtained. |
**Example** **Example**
...@@ -1421,15 +1445,13 @@ Sets up a Hands-free Profile (HFP) connection of a device. ...@@ -1421,15 +1445,13 @@ Sets up a Hands-free Profile (HFP) connection of a device.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the target device.| | device | string | Yes | Address of the remote device.|
|
**Return value** **Return value**
| | | | Type | Description |
| ------- | ------------------- | | ------- | ------------------- |
| Type | Description | | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
| boolean | Returns **true** if the operation is successful; returns **false** otherwise. |
**Example** **Example**
...@@ -1453,8 +1475,7 @@ Disconnects the HFP connection of a device. ...@@ -1453,8 +1475,7 @@ Disconnects the HFP connection of a device.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- | | ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the target device.| | device | string | Yes | Address of the remote device.|
|
**Return value** **Return value**
...@@ -1470,11 +1491,11 @@ let ret = hfpAg.disconnect('XX:XX:XX:XX:XX:XX'); ...@@ -1470,11 +1491,11 @@ let ret = hfpAg.disconnect('XX:XX:XX:XX:XX:XX');
``` ```
### HandsFreeAudioGatewayProfile.on('connectionStateChange')<sup>8+</sup> ### on('connectionStateChange')<sup>8+</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the HFP connection status change events. Subscribes to the HFP connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -1495,15 +1516,16 @@ No value is returned. ...@@ -1495,15 +1516,16 @@ No value is returned.
function onReceiveEvent(data) { function onReceiveEvent(data) {
console.info('hfp state = '+ JSON.stringify(data)); console.info('hfp state = '+ JSON.stringify(data));
} }
HandsFreeAudioGatewayProfile.on('connectionStateChange', onReceiveEvent); let hfpAg = bluetooth.getProfile(PROFILE_HANDS_FREE_AUDIO_GATEWAY);
hfpAg.on('connectionStateChange', onReceiveEvent);
``` ```
### HandsFreeAudioGatewayProfile.off('connectionStateChange')<sup>8+</sup> ### off('connectionStateChange')<sup>8+</sup>
off(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void off(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the HFP connection status change events. Unsubscribes from the HFP connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -1512,7 +1534,7 @@ Unsubscribes from the HFP connection status change events. ...@@ -1512,7 +1534,7 @@ Unsubscribes from the HFP connection status change events.
| Name | Type | Mandatory | Description | | 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 used to return the HFP connection state change event. | | callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback used to return the HFP connection state change event. |
**Return value** **Return value**
...@@ -1524,7 +1546,139 @@ No value is returned. ...@@ -1524,7 +1546,139 @@ No value is returned.
function onReceiveEvent(data) { function onReceiveEvent(data) {
console.info('hfp state = '+ JSON.stringify(data)); console.info('hfp state = '+ JSON.stringify(data));
} }
HandsFreeAudioGatewayProfile.off('connectionStateChange', onReceiveEvent); let hfpAg = bluetooth.getProfile(PROFILE_HANDS_FREE_AUDIO_GATEWAY);
hfpAg.on('connectionStateChange', onReceiveEvent);
hfpAg.off('connectionStateChange', onReceiveEvent);
```
## HidHostProfile
Before using a method of **HidHostProfile**, you need to create an instance of this class by using the **getProfile()** method.
### connect<sup>9+</sup><a name="connect"></a>
connect(device: string): boolean
Connects to the HidHost service of a device.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**System API**: This is a system API and cannot be called by third-party applications.
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the remote device.|
**Return value**
| Type | Description |
| --------------------- | --------------------------------- |
| boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
**Example**
```js
let hidHostProfile = bluetooth.getProfile(PROFILE_HID_HOST);
let ret = hidHostProfile.connect('XX:XX:XX:XX:XX:XX');
```
### disconnect<sup>9+</sup><a name="disconnect"></a>
disconnect(device: string): boolean
Disconnects from the HidHost service of a device.
**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH
**System capability**: SystemCapability.Communication.Bluetooth.Core
**System API**: This is a system API and cannot be called by third-party applications.
**Parameters**
| Name | Type | Mandatory | Description |
| ------ | ------ | ---- | ------- |
| device | string | Yes | Address of the remote device.|
**Return value**
| Type | Description |
| --------------------- | --------------------------------- |
| boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
**Example**
```js
let hidHostProfile = bluetooth.getProfile(PROFILE_HID_HOST);
let ret = hidHostProfile.disconnect('XX:XX:XX:XX:XX:XX');
```
### on('connectionStateChange')<sup>9+</sup>
on(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Subscribes to the HidHost connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a HidHost connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | Yes | Callback invoked to return the HidHost connection state change event. |
**Return value**
No value is returned.
**Example**
```js
function onReceiveEvent(data) {
console.info('hidHost state = '+ JSON.stringify(data));
}
let hidHost = bluetooth.getProfile(PROFILE_HID_HOST);
hidHost.on('connectionStateChange', onReceiveEvent);
```
### off('connectionStateChange')<sup>9+</sup>
off(type: "connectionStateChange", callback: Callback&lt;[StateChangeParam](#StateChangeParam)&gt;): void
Unsubscribes from the HidHost connection state change events.
**System capability**: SystemCapability.Communication.Bluetooth.Core
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------------------------------------- | ---- | --------------------------------------------------------- |
| type | string | Yes | Event type. The value **connectionStateChange** indicates a HidHost connection state change event.|
| callback | Callback&lt;[StateChangeParam](#StateChangeParam)&gt; | No | Callback used to return the HidHost connection state change event. |
**Return value**
No value is returned.
**Example**
```js
function onReceiveEvent(data) {
console.info('hidHost state = '+ JSON.stringify(data));
}
let hidHost = bluetooth.getProfile(PROFILE_HID_HOST);
hidHost.on('connectionStateChange', onReceiveEvent);
hidHost.off('connectionStateChange', onReceiveEvent);
``` ```
...@@ -1904,7 +2058,7 @@ Subscribes to the characteristic write request events. ...@@ -1904,7 +2058,7 @@ Subscribes to the characteristic write request events.
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | -------------------------------------- | | -------- | ---------------------------------------- | ---- | -------------------------------------- |
| type | string | Yes | Event type. The value **characteristicWrite** indicates a characteristic write request event.| | type | string | Yes | Event type. The value **characteristicWrite** indicates a characteristic write request event.|
| callback | Callback&lt;[CharacteristicWriteReq](#descriptorwritereq)&gt; | Yes | Callback invoked to return a characteristic write request from the GATT client. | | callback | Callback&lt;[CharacteristicWriteReq](#characteristicwritereq)&gt; | Yes | Callback invoked to return a characteristic write request from the GATT client. |
**Return value** **Return value**
...@@ -2272,7 +2426,7 @@ let ret = device.close(); ...@@ -2272,7 +2426,7 @@ let ret = device.close();
getServices(callback: AsyncCallback&lt;Array&lt;GattService&gt;&gt;): void getServices(callback: AsyncCallback&lt;Array&lt;GattService&gt;&gt;): void
Obtains all services of the remote BLE device. This method uses an asynchronous callback to return the result. Obtains all services of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2314,7 +2468,7 @@ device.getServices(getServices); ...@@ -2314,7 +2468,7 @@ device.getServices(getServices);
getServices(): Promise&lt;Array&lt;GattService&gt;&gt; getServices(): Promise&lt;Array&lt;GattService&gt;&gt;
Obtains all services of the remote BLE device. This method uses a promise to return the result. Obtains all services of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2347,7 +2501,7 @@ for (let i = 0; i < services.length; i++) { ...@@ -2347,7 +2501,7 @@ for (let i = 0; i < services.length; i++) {
readCharacteristicValue(characteristic: BLECharacteristic, callback: AsyncCallback&lt;BLECharacteristic&gt;): void readCharacteristicValue(characteristic: BLECharacteristic, callback: AsyncCallback&lt;BLECharacteristic&gt;): void
Reads the characteristic value of the specific service of the remote BLE device. This method uses an asynchronous callback to return the result. 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2401,7 +2555,7 @@ device.readCharacteristicValue(characteristic, readCcc); ...@@ -2401,7 +2555,7 @@ device.readCharacteristicValue(characteristic, readCcc);
readCharacteristicValue(characteristic: BLECharacteristic): Promise&lt;BLECharacteristic&gt; readCharacteristicValue(characteristic: BLECharacteristic): Promise&lt;BLECharacteristic&gt;
Reads the characteristic value of the specific service of the remote BLE device. This method uses a promise to return the result. 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2448,7 +2602,7 @@ device.readCharacteristicValue(characteristic); ...@@ -2448,7 +2602,7 @@ device.readCharacteristicValue(characteristic);
readDescriptorValue(descriptor: BLEDescriptor, callback: AsyncCallback&lt;BLEDescriptor&gt;): void readDescriptorValue(descriptor: BLEDescriptor, callback: AsyncCallback&lt;BLEDescriptor&gt;): void
Reads the descriptor contained in the specific characteristic of the remote BLE device. This method uses an asynchronous callback to return the result. 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2492,7 +2646,7 @@ device.readDescriptorValue(descriptor, readDesc); ...@@ -2492,7 +2646,7 @@ device.readDescriptorValue(descriptor, readDesc);
readDescriptorValue(descriptor: BLEDescriptor): Promise&lt;BLEDescriptor&gt; readDescriptorValue(descriptor: BLEDescriptor): Promise&lt;BLEDescriptor&gt;
Reads the descriptor contained in the specific characteristic of the remote BLE device. This method uses a promise to return the result. 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2620,7 +2774,7 @@ if (retWriteDesc) { ...@@ -2620,7 +2774,7 @@ if (retWriteDesc) {
setBLEMtuSize(mtu: number): boolean setBLEMtuSize(mtu: number): boolean
Sets the maximum transmission unit (MTU) that can be transmitted between the GATT client and its remote BLE device. This method can be used only after a connection is set up by calling [connect](#connect). 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2806,7 +2960,7 @@ device.off('BLEConnectionStateChange'); ...@@ -2806,7 +2960,7 @@ device.off('BLEConnectionStateChange');
getDeviceName(callback: AsyncCallback&lt;string&gt;): void getDeviceName(callback: AsyncCallback&lt;string&gt;): void
Obtains the name of the remote BLE device. This method uses an asynchronous callback to return the result. Obtains the name of the remote BLE device. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2838,7 +2992,7 @@ let deviceName = gattClient.getDeviceName((err, data)=> { ...@@ -2838,7 +2992,7 @@ let deviceName = gattClient.getDeviceName((err, data)=> {
getDeviceName(): Promise&lt;string&gt; getDeviceName(): Promise&lt;string&gt;
Obtains the name of the remote BLE device. This method uses a promise to return the result. Obtains the name of the remote BLE device. This API uses a promise to return the result.
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2866,7 +3020,7 @@ let deviceName = gattClient.getDeviceName().then((data) => { ...@@ -2866,7 +3020,7 @@ let deviceName = gattClient.getDeviceName().then((data) => {
getRssiValue(callback: AsyncCallback&lt;number&gt;): void getRssiValue(callback: AsyncCallback&lt;number&gt;): void
Obtains the received signal strength indication (RSSI) of the remote BLE device. This method uses an asynchronous callback to return the result. It can be used only after a connection is set up by calling [connect](#connect). 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).
**Required permissions**: ohos.permission.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -2899,7 +3053,7 @@ let rssi = gattClient.getRssiValue((err, data)=> { ...@@ -2899,7 +3053,7 @@ let rssi = gattClient.getRssiValue((err, data)=> {
getRssiValue(): Promise&lt;number&gt; getRssiValue(): Promise&lt;number&gt;
Obtains the RSSI of the remote BLE device. This method uses a promise to return the result. It can be used only after a connection is set up by calling [connect](#connect). 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.USE_BLUETOOTH **Required permissions**: ohos.permission.USE_BLUETOOTH
...@@ -3436,7 +3590,7 @@ Enumerates the A2DP playing states. ...@@ -3436,7 +3590,7 @@ Enumerates the A2DP playing states.
## ProfileId<sup>8+</sup><a name="ProfileId"></a> ## ProfileId<sup>8+</sup><a name="ProfileId"></a>
Enumerates the Bluetooth profile IDs. Enumerates the Bluetooth profiles. API version 9 is added with **PROFILE_HID_HOST**.
**System capability**: SystemCapability.Communication.Bluetooth.Core **System capability**: SystemCapability.Communication.Bluetooth.Core
...@@ -3444,3 +3598,4 @@ Enumerates the Bluetooth profile IDs. ...@@ -3444,3 +3598,4 @@ Enumerates the Bluetooth profile IDs.
| -------------------------------- | ------ | --------------- | | -------------------------------- | ------ | --------------- |
| PROFILE_A2DP_SOURCE | 0x0001 | A2DP profile.| | PROFILE_A2DP_SOURCE | 0x0001 | A2DP profile.|
| PROFILE_HANDS_FREE_AUDIO_GATEWAY | 0x0004 | HFP profile. | | PROFILE_HANDS_FREE_AUDIO_GATEWAY | 0x0004 | HFP profile. |
| PROFILE_HID_HOST<sup>9+</sup> | 0x0006 | Human Interface Device (HID) profile. |
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