added in API level 23
Deprecated since API level P

FingerprintManager.AuthenticationCallback

public static abstract class FingerprintManager.AuthenticationCallback
extends Object

java.lang.Object
   ↳ android.hardware.fingerprint.FingerprintManager.AuthenticationCallback


This class was deprecated in API level P.
See BiometricPrompt.AuthenticationCallback

Callback structure provided to authenticate(CryptoObject, CancellationSignal, int, AuthenticationCallback, Handler). Users of authenticate(CryptoObject, CancellationSignal, int, AuthenticationCallback, Handler) must provide an implementation of this for listening to fingerprint events.

Summary

Public constructors

FingerprintManager.AuthenticationCallback()

Public methods

void onAuthenticationError(int errorCode, CharSequence errString)

Called when an unrecoverable error has been encountered and the operation is complete.

void onAuthenticationFailed()

Called when a fingerprint is valid but not recognized.

void onAuthenticationHelp(int helpCode, CharSequence helpString)

Called when a recoverable error has been encountered during authentication.

void onAuthenticationSucceeded(BiometricAuthenticator.AuthenticationResult result)

Called when a biometric is recognized.

void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result)

Called when a fingerprint is recognized.

Inherited methods

Public constructors

FingerprintManager.AuthenticationCallback

added in API level 23
FingerprintManager.AuthenticationCallback ()

Public methods

onAuthenticationError

added in API level 23
void onAuthenticationError (int errorCode, 
                CharSequence errString)

Called when an unrecoverable error has been encountered and the operation is complete. No further callbacks will be made on this object.

Parameters
errorCode int: An integer identifying the error message

errString CharSequence: A human-readable error string that can be shown in UI

onAuthenticationFailed

added in API level 23
void onAuthenticationFailed ()

Called when a fingerprint is valid but not recognized.

onAuthenticationHelp

added in API level 23
void onAuthenticationHelp (int helpCode, 
                CharSequence helpString)

Called when a recoverable error has been encountered during authentication. The help string is provided to give the user guidance for what went wrong, such as "Sensor dirty, please clean it."

Parameters
helpCode int: An integer identifying the error message

helpString CharSequence: A human-readable string that can be shown in UI

onAuthenticationSucceeded

void onAuthenticationSucceeded (BiometricAuthenticator.AuthenticationResult result)

Called when a biometric is recognized.

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

onAuthenticationSucceeded

added in API level 23
void onAuthenticationSucceeded (FingerprintManager.AuthenticationResult result)

Called when a fingerprint is recognized.

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