added in API level 28

android.hardware.biometrics

Classes

BiometricPrompt A class that manages a system-provided biometric dialog. 
BiometricPrompt.AuthenticationCallback Callback structure provided to BiometricPrompt.authenticate(CancellationSignal, Executor, AuthenticationCallback) or BiometricPrompt.authenticate(CryptoObject, CancellationSignal, Executor, AuthenticationCallback)
BiometricPrompt.AuthenticationResult Container for callback data from BiometricPrompt.authenticate(CancellationSignal, Executor, AuthenticationCallback) and BiometricPrompt.authenticate(CryptoObject, CancellationSignal, Executor, AuthenticationCallback)  
BiometricPrompt.Builder A builder that collects arguments to be shown on the system-provided biometric dialog. 
BiometricPrompt.CryptoObject A wrapper class for the crypto objects supported by BiometricPrompt.