added in version 24.1.0
  
  
android.support.v4.hardware.fingerprint
Classes
| FingerprintManagerCompat | A class that coordinates access to the fingerprint hardware. | 
| FingerprintManagerCompat.AuthenticationCallback | Callback structure provided to authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler). | 
| FingerprintManagerCompat.AuthenticationResult | Container for callback data from authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler). | 
| FingerprintManagerCompat.CryptoObject | A wrapper class for the crypto objects supported by FingerprintManager. | 
