@ohos.userIAM.faceAuth (Facial Authentication)
The userIAM.faceAuth module provides APIs for face enrollment.
NOTE
The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
The APIs provided by this module are system APIs.
Modules to Import
import userIAM_faceAuth from '@ohos.userIAM.faceAuth';
FaceAuthManager
Provides APIs for facial authentication management.
constructor
constructor()
A constructor used to create a FaceAuthManager object.
System capability: SystemCapability.UserIAM.UserAuth.FaceAuth
System API: This is a system API.
Return value
Type | Description |
---|---|
FaceAuthManager | FaceAuthManager object. |
Example
import userIAM_faceAuth from '@ohos.userIAM.faceAuth';
let faceAuthManager = new userIAM_faceAuth.FaceAuthManager();
setSurfaceId
setSurfaceId(surfaceId: string): void;
Sets an XComponent surface ID for the face preview page in the face enrollment process. This API must be used with AddCredential.
System capability: SystemCapability.UserIAM.UserAuth.FaceAuth
System API: This is a system API.
Required permissions: ohos.permission.MANAGE_USER_IDM
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
surfaceId | string | Yes | ID of the surface held by the XComponent. |
For details about the following error codes, see User Authentication Error Codes.
Error codes
ID | Error Message |
---|---|
201 | Permission verification failed. |
202 | The caller is not a system application. |
12700001 | The operation is failed. |
Example
import userIAM_faceAuth from '@ohos.userIAM.faceAuth';
// The surfaceId is obtained from the XComponent control. The surfaceId here is only an example.
let surfaceId = '123456';
let manager = new userIAM_faceAuth.FaceAuthManager();
try {
manager.setSurfaceId(surfaceId);
console.info('set surface id success');
} catch (error) {
console.error('set surface id failed, error = ' + error);
}