BiometricPrompt.Authenticate Method

Definition

Namespace:

Android.Hardware.Biometrics

Assembly:

Mono.Android.dll

Overloads

Authenticate(CancellationSignal, IExecutor, BiometricPrompt+AuthenticationCallback)	This call warms up the biometric hardware, displays a system-provided dialog, and starts scanning for a biometric.
Authenticate(BiometricPrompt+CryptoObject, CancellationSignal, IExecutor, BiometricPrompt+AuthenticationCallback)	This call warms up the biometric hardware, displays a system-provided dialog, and starts scanning for a biometric.

Authenticate(CancellationSignal, IExecutor, BiometricPrompt+AuthenticationCallback)

This call warms up the biometric hardware, displays a system-provided dialog, and starts scanning for a biometric.

[Android.Runtime.Register("authenticate", "(Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/hardware/biometrics/BiometricPrompt$AuthenticationCallback;)V", "GetAuthenticate_Landroid_os_CancellationSignal_Ljava_util_concurrent_Executor_Landroid_hardware_biometrics_BiometricPrompt_AuthenticationCallback_Handler", ApiSince=28)]
[Android.Runtime.RequiresPermission("android.permission.USE_BIOMETRIC")]
public virtual void Authenticate (Android.OS.CancellationSignal cancel, Java.Util.Concurrent.IExecutor executor, Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback callback);

[<Android.Runtime.Register("authenticate", "(Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/hardware/biometrics/BiometricPrompt$AuthenticationCallback;)V", "GetAuthenticate_Landroid_os_CancellationSignal_Ljava_util_concurrent_Executor_Landroid_hardware_biometrics_BiometricPrompt_AuthenticationCallback_Handler", ApiSince=28)>]
[<Android.Runtime.RequiresPermission("android.permission.USE_BIOMETRIC")>]
abstract member Authenticate : Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback -> unit
override this.Authenticate : Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback -> unit

Parameters

cancel

CancellationSignal

An object that can be used to cancel authentication.

executor

IExecutor

An executor to handle callback events.

callback

BiometricPrompt.AuthenticationCallback

An object to receive authentication events.

Attributes

RegisterAttribute RequiresPermissionAttribute

Remarks

Java documentation for android.hardware.biometrics.BiometricPrompt.authenticate(android.hardware.biometrics.CryptoObject, android.os.CancellationSignal, java.util.concurrent.Executor, android.hardware.biometrics.AuthenticationCallback).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Authenticate(BiometricPrompt+CryptoObject, CancellationSignal, IExecutor, BiometricPrompt+AuthenticationCallback)

This call warms up the biometric hardware, displays a system-provided dialog, and starts scanning for a biometric.

[Android.Runtime.Register("authenticate", "(Landroid/hardware/biometrics/BiometricPrompt$CryptoObject;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/hardware/biometrics/BiometricPrompt$AuthenticationCallback;)V", "GetAuthenticate_Landroid_hardware_biometrics_BiometricPrompt_CryptoObject_Landroid_os_CancellationSignal_Ljava_util_concurrent_Executor_Landroid_hardware_biometrics_BiometricPrompt_AuthenticationCallback_Handler", ApiSince=28)]
[Android.Runtime.RequiresPermission("android.permission.USE_BIOMETRIC")]
public virtual void Authenticate (Android.Hardware.Biometrics.BiometricPrompt.CryptoObject crypto, Android.OS.CancellationSignal cancel, Java.Util.Concurrent.IExecutor executor, Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback callback);

[<Android.Runtime.Register("authenticate", "(Landroid/hardware/biometrics/BiometricPrompt$CryptoObject;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/hardware/biometrics/BiometricPrompt$AuthenticationCallback;)V", "GetAuthenticate_Landroid_hardware_biometrics_BiometricPrompt_CryptoObject_Landroid_os_CancellationSignal_Ljava_util_concurrent_Executor_Landroid_hardware_biometrics_BiometricPrompt_AuthenticationCallback_Handler", ApiSince=28)>]
[<Android.Runtime.RequiresPermission("android.permission.USE_BIOMETRIC")>]
abstract member Authenticate : Android.Hardware.Biometrics.BiometricPrompt.CryptoObject * Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback -> unit
override this.Authenticate : Android.Hardware.Biometrics.BiometricPrompt.CryptoObject * Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.Hardware.Biometrics.BiometricPrompt.AuthenticationCallback -> unit

Parameters

crypto

BiometricPrompt.CryptoObject

A cryptographic operation to be unlocked after successful authentication.

cancel

CancellationSignal

An object that can be used to cancel authentication.

executor

IExecutor

An executor to handle callback events.

callback

BiometricPrompt.AuthenticationCallback

An object to receive authentication events.

Attributes

RegisterAttribute RequiresPermissionAttribute

Remarks

Java documentation for android.hardware.biometrics.BiometricPrompt.authenticate(android.hardware.biometrics.CryptoObject, android.os.CancellationSignal, java.util.concurrent.Executor, android.hardware.biometrics.AuthenticationCallback).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.