android.hardware.biometrics.BiometricPrompt#AuthenticationResult ( )源码实例Demo

@Override
public void onAuthenticationSucceeded(BiometricPrompt.AuthenticationResult result) {
    super.onAuthenticationSucceeded(result);
    try {
        BiometricPrompt.CryptoObject co = result.getCryptoObject();
        SQRLStorage.getInstance(context).decryptIdentityKeyBiometric(co.getCipher());

        new Thread(doneCallback).start();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

/**
 * @see BiometricPrompt.AuthenticationCallback#onAuthenticationSucceeded(BiometricPrompt.AuthenticationResult)
 */
@Override
public void onAuthenticationSucceeded(final BiometricPrompt.AuthenticationResult result) {
    super.onAuthenticationSucceeded(result);
    mCallback.onAuthenticationSucceeded();
}
 

@TargetApi(P)
@Deprecated
private void showBiometricPrompt(FragmentActivity activity, FingerprintDialogCallbacks callback, Cipher cipher) {
    CancellationSignal mCancellationSignal = new CancellationSignal();
    BiometricPrompt biometricPrompt = new BiometricPrompt.Builder(activity)
            .setTitle(activity.getString(R.string.fingerprint_alert_title))
            .setNegativeButton(activity.getString(R.string.cancel), activity.getMainExecutor(), (dialogInterface, i) -> {
                callback.onFingerprintCancel();
            })
            .build();

    BiometricPrompt.AuthenticationCallback authenticationCallback = new BiometricPrompt.AuthenticationCallback() {
        @Override
        public void onAuthenticationError(int errorCode, CharSequence errString) {
            super.onAuthenticationError(errorCode, errString);
            callback.onFingerprintCancel();
        }

        @Override
        public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
            super.onAuthenticationHelp(helpCode, helpString);
            callback.onFingerprintCancel();
        }

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

            if (result.getCryptoObject() != null) {
                callback.onFingerprintSuccess(result.getCryptoObject().getCipher());
            } else {
                callback.onFingerprintSuccess(null);
            }
        }

        @Override
        public void onAuthenticationFailed() {
            super.onAuthenticationFailed();
            callback.onFingerprintCancel();
        }
    };

    biometricPrompt.authenticate(mCancellationSignal, activity.getMainExecutor(), authenticationCallback);
}
 

@Override
public void onAuthenticationSucceeded(BiometricPrompt.AuthenticationResult result) {
    super.onAuthenticationSucceeded(result);
    biometricCallback.onAuthenticationSuccessful(result.getCryptoObject().getCipher());
}