Not getting any callback while the IRIS scanner failed to authenticate a user.

[dharmrajacharya]

Not invoke any callback ( onAuthenticationError or onAuthenticationFailed ) while the IRIS scanner failed to authenticate a user.

Android Version: 10,
Samsung S9, One UI 2.1
`

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    Executor executor = ContextCompat.getMainExecutor(this);
    BiometricPrompt biometricPrompt = new BiometricPrompt(MainActivity.this,
            executor, new BiometricPrompt.AuthenticationCallback() {
        @Override
        public void onAuthenticationError(int errorCode, @NonNull CharSequence errString) {
            super.onAuthenticationError(errorCode, errString);

            Toast.makeText(getApplicationContext(),
                    "Authentication error: " + errString + errorCode, Toast.LENGTH_SHORT)
                    .show();
        }

        @Override
        public void onAuthenticationSucceeded(
                @NonNull BiometricPrompt.AuthenticationResult result) {
            super.onAuthenticationSucceeded(result);
            Toast.makeText(getApplicationContext(),
                    "Authentication succeeded!", Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onAuthenticationFailed() {
            super.onAuthenticationFailed();
            Toast.makeText(getApplicationContext(), "Authentication failed",
                    Toast.LENGTH_SHORT)
                    .show();
        }
    });

    BiometricPrompt.PromptInfo promptInfo = new BiometricPrompt.PromptInfo.Builder()
            .setTitle("Biometric login for my app")
            .setSubtitle("Log in using your biometric credential")
            .setNegativeButtonText("Use account password")
            .setConfirmationRequired(true)
            .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_STRONG)
            .build();

    BiometricManager biometricManager = BiometricManager.from(this);

}`