AuthenticationCallback.java

@Override
public void onAuthenticationError(int errorCode, CharSequence errString) {
   super.onAuthenticationError(errorCode, errString);
	
}

@Override
public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
   super.onAuthenticationSucceeded(result);

}

@Override
public void onAuthenticationFailed() {
   super.onAuthenticationFailed();


}