BiometricPrompt.AuthenticationCallback
public abstract class BiometricPrompt.AuthenticationCallback
A collection of methods that may be invoked by BiometricPrompt during authentication.
Summary
Public constructors |
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Public methods |
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void |
onAuthenticationError(int errorCode, @NonNull CharSequence errString)Called when an unrecoverable error has been encountered and authentication has stopped. |
void |
Called when a biometric (e.g. fingerprint, face, etc.) is presented but not recognized as belonging to the user. |
void |
Called when a biometric (e.g. fingerprint, face, etc.) is recognized, indicating that the user has successfully authenticated. |
Public constructors
Public methods
onAuthenticationError
public void onAuthenticationError(int errorCode, @NonNull 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 | |
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int errorCode |
An integer ID associated with the error. |
@NonNull CharSequence errString |
A human-readable string that describes the error. |
onAuthenticationFailed
public void onAuthenticationFailed()
Called when a biometric (e.g. fingerprint, face, etc.) is presented but not recognized as belonging to the user.
onAuthenticationSucceeded
public void onAuthenticationSucceeded(
@NonNull 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 | |
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@NonNull BiometricPrompt.AuthenticationResult result |
An object containing authentication-related data. |