BiometricPrompt.AuthenticationCallback

Added in 1.0.0

Kotlin |Java

abstract class BiometricPrompt.AuthenticationCallback

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

Summary

Public constructors
`AuthenticationCallback()`

Public functions
`Unit`	`onAuthenticationError(errorCode: Int, errString: CharSequence)` Called when an unrecoverable error has been encountered and authentication has stopped.
`Unit`	`onAuthenticationFailed()` Called when a biometric (e.g. fingerprint, face, etc.) is presented but not recognized as belonging to the user.
`Unit`	`onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult)` Called when a biometric (e.g. fingerprint, face, etc.) is recognized, indicating that the user has successfully authenticated.

Added in 1.0.0

AuthenticationCallback()

Added in 1.0.0

fun onAuthenticationError(errorCode: Int, errString: CharSequence): Unit

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.

Added in 1.0.0

fun onAuthenticationFailed(): Unit

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

Added in 1.0.0

fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult): Unit

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.