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提交 96b65ee4 编写于 作者: G gloria
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update docs against 11879 

Signed-off-by: Ngloria <80926032@qq.com>
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en/application-dev/reference/apis/js-apis-device-manager.md
浏览文件 @ 96b65ee4
# Device Management
# @ohos.distributedHardware.deviceManager (Device Management)
The **DeviceManager** module provides APIs for distributed device management.
......@@ -34,10 +34,10 @@ Creates a **DeviceManager** instance.
**Parameters**
| Name | Type | Mandatory | Description |
| ---------- | ---------------------------------------- | ---- | ------------------------------------ |
| bundleName | string | Yes | Bundle name of an application. |
| callback | AsyncCallback&lt;[DeviceManager](#devicemanager)&gt; | Yes | Callback used to return the **DeviceManager** instance created.|
| Name | Type | Mandatory| Description |
| ---------- | ---------------------------------------------------- | ---- | ----------------------------------------------------------- |
| bundleName | string | Yes | Bundle name of the application. |
| callback | AsyncCallback&lt;[DeviceManager](#devicemanager)&gt; | Yes | Callback used to return the **DeviceManager** instance created.|
**Error codes**
......@@ -85,7 +85,7 @@ Enumerates the device types.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| ------------ | ---- | ---- |
| SPEAKER | 0x0A | Smart speaker.|
| PHONE | 0x0E | Phone. |
......@@ -102,7 +102,7 @@ Enumerates the device states.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| ------- | ---- | --------------- |
| ONLINE | 0 | The device is physically online. |
| READY | 1 | The information between devices has been synchronized in the Distributed Data Service (DDS) module, and the device is ready for running distributed services.|
......@@ -132,7 +132,7 @@ Enumerates the device discovery modes.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| --------------------- | ---- | ----- |
| DISCOVER_MODE_PASSIVE | 0x55 | Passive discovery.|
| DISCOVER_MODE_ACTIVE | 0xAA | Active discovery.|
......@@ -144,7 +144,7 @@ Enumerates the media used for device discovery.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| ---- | ---- | --------- |
| AUTO | 0 | Automatic. |
| BLE | 1 | Bluetooth. |
......@@ -157,7 +157,7 @@ Enumerates the device discovery frequencies.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| ---------- | ---- | ----- |
| LOW | 0 | Low frequency. |
| MID | 1 | Medium frequency. |
......@@ -171,7 +171,7 @@ Enumerates the discovery capabilities.
**System capability**: SystemCapability.DistributedHardware.DeviceManager
| Name | Default Value | Description |
| Name | Value | Description |
| ------------------------- | ---- | -------------- |
| SUBSCRIBE_CAPABILITY_DDMP | 0 | DDMP capability. This will be deprecated later.|
| SUBSCRIBE_CAPABILITY_OSD | 1 | OSD capability. |
......@@ -186,7 +186,7 @@ Defines the authentication parameters.
| Name | Type | Mandatory | Description |
| --------- | -------------------- | ---- | ---------- |
| authType | number | Yes | Authentication type. |
| extraInfo | {[key:string] : any} | No | Extended field.|
| extraInfo | {[key:string]&nbsp;:&nbsp;any} | No | Extended field.|
## AuthInfo
......@@ -198,9 +198,9 @@ Defines authentication information.
| --------- | -------------------- | ---- | ---------- |
| authType | number | Yes | Authentication type. |
| token | number | Yes | Authentication token. |
| extraInfo | {[key:string] : any} | No | Extended field.|
| extraInfo | {[key:string]&nbsp;:&nbsp;any} | No | Extended field.|
## PublishInfo9+</sup>
## PublishInfo<sup>9+</sup>
Defines published device information.
......@@ -249,6 +249,8 @@ getTrustedDeviceListSync(): Array&lt;DeviceInfo&gt;
Obtains all trusted devices synchronously.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Return value**
......@@ -281,6 +283,8 @@ getTrustedDeviceList(callback:AsyncCallback&lt;Array&lt;DeviceInfo&gt;&gt;): voi
Obtains all trusted devices. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -319,6 +323,8 @@ getTrustedDeviceList(): Promise&lt;Array&lt;DeviceInfo&gt;&gt;
Obtains all trusted devices. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Return value**
......@@ -351,6 +357,8 @@ getLocalDeviceInfoSync(): [DeviceInfo](#deviceinfo)
Obtains local device information synchronously.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Return value**
......@@ -383,6 +391,8 @@ getLocalDeviceInfo(callback:AsyncCallback&lt;DeviceInfo&gt;): void
Obtains local device information. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -421,6 +431,8 @@ getLocalDeviceInfo(): Promise&lt;DeviceInfo&gt;
Obtains local device information. This API uses a promise to return the result.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Return value**
......@@ -447,12 +459,14 @@ For details about the error codes, see [Device Management Error Codes](../errorc
});
```
### startDeviceDiscovery8+</sup>
### startDeviceDiscovery<sup>8+</sup>
startDeviceDiscovery(subscribeInfo: SubscribeInfo): void
Starts to discover peripheral devices.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -491,12 +505,14 @@ For details about the error codes, see [Device Management Error Codes](../errorc
}
```
### startDeviceDiscovery9+</sup>
### startDeviceDiscovery<sup>9+</sup>
startDeviceDiscovery(subscribeInfo: SubscribeInfo, filterOptions?: string): void
Starts to discover peripheral devices and filters discovered devices.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -551,6 +567,8 @@ stopDeviceDiscovery(subscribeId: number): void
Stops device discovery.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -578,12 +596,14 @@ For details about the error codes, see [Device Management Error Codes](../errorc
}
```
### publishDeviceDiscovery9+</sup>
### publishDeviceDiscovery<sup>9+</sup>
publishDeviceDiscovery(publishInfo: PublishInfo): void
Publishes device information for discovery purposes.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -618,13 +638,15 @@ For details about the error codes, see [Device Management Error Codes](../errorc
console.error("publishDeviceDiscovery errCode:" + err.code + ",errMessage:" + err.message);
}
```
### unPublishDeviceDiscovery9+</sup>
### unPublishDeviceDiscovery<sup>9+</sup>
unPublishDeviceDiscovery(publishId: number): void
Stops publishing device information.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -654,10 +676,12 @@ For details about the error codes, see [Device Management Error Codes](../errorc
### authenticateDevice
authenticateDevice(deviceInfo: DeviceInfo, authParam: AuthParam, callback: AsyncCallback<{deviceId: string, pinToken ?: number}>): void
authenticateDevice(deviceInfo: DeviceInfo, authParam: AuthParam, callback: AsyncCallback&lt;{deviceId: string, pinToken ?: number}&gt;): void
Authenticates a device.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -666,7 +690,7 @@ Authenticates a device.
| ---------- | ---------------------------------------- | ---- | ------- |
| deviceInfo | [DeviceInfo](#deviceinfo) | Yes | Device information. |
| authParam | [AuthParam](#authparam) | Yes | Authentication parameter. |
| callback | AsyncCallback<{ deviceId: string, pinToken ?: number }> | Yes | Callback used to return the authentication result.|
| callback | AsyncCallback&lt;{deviceId:&nbsp;string,&nbsp;pinToken&nbsp;?:&nbsp;number}&gt; | Yes | Callback used to return the authentication result.|
**Error codes**
......@@ -710,6 +734,8 @@ unAuthenticateDevice(deviceInfo: DeviceInfo): void
Deauthenticates a device.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -738,10 +764,12 @@ For details about the error codes, see [Device Management Error Codes](../errorc
### verifyAuthInfo
verifyAuthInfo(authInfo: AuthInfo, callback: AsyncCallback<{deviceId: string, level: number}>): void
verifyAuthInfo(authInfo: AuthInfo, callback: AsyncCallback&lt;{deviceId: string, level: number}&gt;): void
Verifies authentication information.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -749,7 +777,7 @@ Verifies authentication information.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ------- |
| authInfo | [AuthInfo](#authinfo) | Yes | Authentication information. |
| callback | AsyncCallback<{ deviceId: string, level: number }> | Yes | Callback used to return the verification result.|
| callback | AsyncCallback&lt;{deviceId:&nbsp;string,&nbsp;level:&nbsp;number}&gt; | Yes | Callback used to return the verification result.|
**Error codes**
......@@ -780,11 +808,13 @@ For details about the error codes, see [Device Management Error Codes](../errorc
}
```
### setUserOperation9+</sup>
### setUserOperation<sup>9+</sup>
setUserOperation(operateAction: number, params: string): void;
Sets a user operation action.
Sets a user operation.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
......@@ -792,7 +822,7 @@ Sets a user operation action.
| Name | Type | Mandatory | Description |
| ------------- | --------------- | ---- | ------------------- |
| operateAction | number | Yes | User operation action. |
| operateAction | number | Yes | User operation. |
| params | string | Yes | Input parameters of the user.|
**Example**
......@@ -804,8 +834,8 @@ Sets a user operation action.
operateAction = 1 - Revoke the permission.
operateAction = 2 - The user operation in the permission request dialog box times out.
operateAction = 3 - Cancel the display of the PIN box.
operateAction = 4 - Cancel the display of the PIN text box.
operateAction = 5 - Confirm in the pin text box.
operateAction = 4 - Cancel the display of the PIN input box.
operateAction = 5 - Confirm the input in the PIN input box.
*/
let operation = 0;
this.dmInstance.setUserOperation(operation, "extra")
......@@ -814,12 +844,14 @@ Sets a user operation action.
}
```
### on('uiStateChange')9+</sup>
### on('uiStateChange')<sup>9+</sup>
on(type: 'uiStateChange', callback: Callback<{ param: string}>): void;
on(type: 'uiStateChange', callback: Callback&lt;{ param: string}&gt;): void;
Subscribes to UI status changes.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -827,7 +859,7 @@ Subscribes to UI status changes.
| Name | Type | Mandatory| Description |
| -------- | ------------------------------------ | ---- | ------------------------------ |
| type | string | Yes | Event type. The value **'uiStateChange'** indicates a UI status change event.|
| callback | Callback&lt;{&nbsp;param: string}&gt; | Yes | Callback used to return the UI status. |
| callback | Callback&lt;{&nbsp;param:&nbsp;string}&gt; | Yes | Callback used to return the UI status. |
**Example**
......@@ -847,12 +879,14 @@ Subscribes to UI status changes.
}
```
### off('uiStateChange')9+</sup>
### off('uiStateChange')<sup>9+</sup>
off(type: 'uiStateChange', callback?: Callback<{ param: string}>): void;
off(type: 'uiStateChange', callback?: Callback&lt;{ param: string}&gt;): void;
Unsubscribes from UI status changes.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -860,7 +894,7 @@ Unsubscribes from UI status changes.
| Name | Type | Mandatory| Description |
| -------- | ------------------------------------- | ---- | ------------------------------ |
| type | string | Yes | Event type. The value **'uiStateChange'** indicates a UI status change event.|
| callback | Callback&lt;{&nbsp;param: string}&gt; | Yes | Callback used to return the UI status.|
| callback | Callback&lt;{&nbsp;param:&nbsp;string}&gt; | No | Callback used to return the UI status.|
**Example**
......@@ -878,6 +912,8 @@ on(type: 'deviceStateChange', callback: Callback&lt;{ action: DeviceStateChange
Subscribes to changes in the device state.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -905,6 +941,8 @@ off(type: 'deviceStateChange', callback?: Callback&lt;{ action: DeviceStateChang
Unsubscribes from changes in the device state.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -912,7 +950,7 @@ Unsubscribes from changes in the device state.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | --------------------------- |
| type | string | Yes | Event type. The value **'deviceStateChange'** indicates a device state change event. |
| callback | Callback&lt;{&nbsp;action:&nbsp;[DeviceStateChangeAction](#devicestatechangeaction),&nbsp;device:&nbsp;[DeviceInfo](#deviceinfo)&nbsp;&nbsp;}&gt; | Yes | Callback used to return the device information and state.|
| callback | Callback&lt;{ action: [DeviceStateChangeAction](#devicestatechangeaction), device: [DeviceInfo](#deviceinfo) }&gt; | No | Callback used to return the device information and state.|
**Example**
......@@ -932,6 +970,8 @@ on(type: 'deviceFound', callback: Callback&lt;{ subscribeId: number, device: Dev
Subscribes to device discovery events.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -939,7 +979,7 @@ Subscribes to device discovery events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | -------------------------- |
| type | string | Yes | Event type. The value **'deviceFound'** indicates an event reported when a device is discovered.|
| callback | Callback&lt;{&nbsp;subscribeId: number, device: DeviceInfo&nbsp;}&gt; | Yes | Callback used for device discovery. |
| callback | Callback&lt;{&nbsp;subscribeId:&nbsp;number,&nbsp;device:&nbsp;[DeviceInfo](#deviceinfo)&nbsp;}&gt; | Yes | Callback used for device discovery. |
**Example**
......@@ -959,6 +999,8 @@ off(type: 'deviceFound', callback?: Callback&lt;{ subscribeId: number, device: D
Unsubscribes from device discovery events.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -966,7 +1008,7 @@ Unsubscribes from device discovery events.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | --------------------------- |
| type | string | Yes | Event type. The value **'deviceFound'** indicates an event reported when a device is discovered. |
| callback | Callback&lt;{&nbsp;subscribeId: number, device: [DeviceInfo](#deviceinfo)&nbsp;}&gt; | Yes | Callback used to return the device information and state.|
| callback | Callback&lt;{&nbsp;subscribeId:&nbsp;number,&nbsp;device:&nbsp;[DeviceInfo](#deviceinfo)&nbsp;}&gt; | No | Callback used to return the device information and state.|
**Example**
......@@ -986,6 +1028,8 @@ on(type: 'discoverFail', callback: Callback&lt;{ subscribeId: number, reason: nu
Subscribes to device discovery failures.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -993,7 +1037,7 @@ Subscribes to device discovery failures.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ------------------------------ |
| type | string | Yes | Event type. The event **'discoverFail'** indicates an event reported when device discovery fails.|
| callback | Callback&lt;{&nbsp;subscribeId: number, reason: number&nbsp;}&gt; | Yes | Callback used for the device discovery failure. |
| callback | Callback&lt;{&nbsp;subscribeId:&nbsp;number,&nbsp;reason:&nbsp;number&nbsp;}&gt; | Yes | Callback used for the device discovery failure. |
**Example**
......@@ -1013,6 +1057,8 @@ off(type: 'discoverFail', callback?: Callback&lt;{ subscribeId: number, reason:
Unsubscribes from device discovery failures.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1020,7 +1066,7 @@ Unsubscribes from device discovery failures.
| Name | Type | Mandatory | Description |
| -------- | ---------------------------------------- | ---- | ----------------- |
| type | string | Yes | Event type. The event **'discoverFail'** indicates an event reported when device discovery fails. |
| callback | Callback&lt;{&nbsp;subscribeId: number, reason: number&nbsp;}&gt; | Yes | Callback used for the device discovery failure.|
| callback | Callback&lt;{&nbsp;subscribeId:&nbsp;number,&nbsp;reason:&nbsp;number&nbsp;}&gt; | No | Callback used for the device discovery failure.|
**Example**
......@@ -1034,12 +1080,14 @@ Unsubscribes from device discovery failures.
}
```
### on('publishSuccess')9+</sup>
### on('publishSuccess')<sup>9+</sup>
on(type: 'publishSuccess', callback: Callback&lt;{ publishId: number }&gt;): void
Subscribes to device information publication success events.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1047,7 +1095,7 @@ Subscribes to device information publication success events.
| Name | Type | Mandatory| Description |
| -------- | ---------------------------------------- | ---- | -------------------------- |
| type | string | Yes | Event type. The value **'publishSuccess'** indicates an event reported when device information is published.|
| callback | Callback&lt;{ publishId: number }&gt; | Yes | Callback used to return the publish ID. |
| callback | Callback&lt;{&nbsp;publishId:&nbsp;number&nbsp;}&gt; | Yes | Callback used to return the publish ID. |
**Example**
......@@ -1062,12 +1110,14 @@ Subscribes to device information publication success events.
}
```
### off('publishSuccess')9+</sup>
### off('publishSuccess')<sup>9+</sup>
off(type: 'publishSuccess', callback?: Callback&lt;{ publishId: number }&gt;): void
Unsubscribes from device information publication success events.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1075,7 +1125,7 @@ Unsubscribes from device information publication success events.
| Name | Type | Mandatory| Description |
| -------- | ---------------------------------------- | ---- | --------------------------- |
| type | string | Yes | Event type. The value **'publishSuccess'** indicates an event reported when device information is published. |
| callback | Callback&lt;{ publishId: number }&gt; | Yes | Callback used to return the publish ID.|
| callback | Callback&lt;{&nbsp;publishId:&nbsp;number&nbsp;}&gt; | No | Callback used to return the publish ID.|
**Example**
......@@ -1089,12 +1139,14 @@ Unsubscribes from device information publication success events.
}
```
### on('publishFail')9+</sup>
### on('publishFail')<sup>9+</sup>
on(type: 'publishFail', callback: Callback&lt;{ publishId: number, reason: number }&gt;): void
Subscribes to device information publication failures.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1102,7 +1154,7 @@ Subscribes to device information publication failures.
| Name | Type | Mandatory| Description |
| -------- | ----------------------------------------------------- | ---- | ------------------------------ |
| type | string | Yes | Event type. The event **'publishFail'** indicates an event reported when publishing device information fails.|
| callback | Callback&lt;{ publishId: number, reason: number }&gt; | Yes | Callback used for the publication failure. |
| callback | Callback&lt;{&nbsp;publishId:&nbsp;number,&nbsp;reason:&nbsp;number&nbsp;}&gt; | Yes | Callback used for the publication failure. |
**Example**
......@@ -1116,12 +1168,14 @@ Subscribes to device information publication failures.
}
```
### off('publishFail')9+</sup>
### off('publishFail')<sup>9+</sup>
off(type: 'publishFail', callback?: Callback&lt;{ publishId: number, reason: number }&gt;): void
Unsubscribes from device information publication failures.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1129,7 +1183,7 @@ Unsubscribes from device information publication failures.
| Name | Type | Mandatory| Description |
| -------- | ----------------------------------------------------- | ---- | ----------------- |
| type | string | Yes | Event type. The event **'publishFail'** indicates an event reported when publishing device information fails. |
| callback | Callback&lt;{ publishId: number, reason: number }&gt; | Yes | Callback used for the device discovery failure.|
| callback | Callback&lt;{&nbsp;publishId:&nbsp;number,&nbsp;reason:&nbsp;number&nbsp;}&gt; | No | Callback used for the device discovery failure.|
**Example**
......@@ -1149,6 +1203,8 @@ on(type: 'serviceDie', callback: () =&gt; void): void
Subscribes to dead events of the **DeviceManager** service.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......@@ -1176,6 +1232,8 @@ off(type: 'serviceDie', callback?: () =&gt; void): void
Unsubscribes from dead events of the **DeviceManager** service.
**Required permissions**: ohos.permission.ACCESS_SERVICE_DM (available only to system applications)
**System capability**: SystemCapability.DistributedHardware.DeviceManager
**Parameters**
......
en/application-dev/reference/errorcodes/errorcode-device-manager.md
浏览文件 @ 96b65ee4
......@@ -26,7 +26,7 @@ The service is not started or fails to start.
**Solution**
Check whether the service is started normally and obtain the service again.
Make sure the service is started and obtain the service again.
## 11600103 Authentication Unavailable
......@@ -38,7 +38,7 @@ Authentication invalid.
The last authentication service is still in progress.
**Procedure**
**Solution**
Wait until the last authentication service is complete and call the authentication API again.
......
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