Summary: Ctors | Methods | Inherited Methods

BiometricPrompt.AuthenticationCallback

Kotlin |Java

public static abstract class BiometricPrompt.AuthenticationCallback
extends Object

java.lang.Object
↳	androidx.biometric.BiometricPrompt.AuthenticationCallback

A collection of methods that may be invoked by BiometricPrompt during authentication.

Summary

Public constructors
`AuthenticationCallback()`

Public methods
`void`	`onAuthenticationError(int errorCode, CharSequence errString)` Called when an unrecoverable error has been encountered and authentication has stopped.
`void`	`onAuthenticationFailed()` Called when a biometric (e.g.
`void`	`onAuthenticationSucceeded(BiometricPrompt.AuthenticationResult result)` Called when a biometric (e.g.

From class


        
          java.lang.Object

public AuthenticationCallback ()

public void onAuthenticationError (int errorCode, 
                CharSequence errString)

Called when an unrecoverable error has been encountered and authentication has stopped.

After this method is called, no further events will be sent for the current authentication session.

Parameters
`errorCode`	`int`: An integer ID associated with the error.
`errString`	`CharSequence`: A human-readable string that describes the error.

public void onAuthenticationFailed ()

Called when a biometric (e.g. fingerprint, face, etc.) is presented but not recognized as belonging to the user.

public void onAuthenticationSucceeded (BiometricPrompt.AuthenticationResult result)

Called when a biometric (e.g. fingerprint, face, etc.) is recognized, indicating that the user has successfully authenticated.

After this method is called, no further events will be sent for the current authentication session.

Parameters
`result`	`BiometricPrompt.AuthenticationResult`: An object containing authentication-related data.