[OWP-41] Example app changes to include Biometric authentication

example/android/app/src/main/kotlin/com/onegini/mobile/onegini_example/MainActivity.kt

@@ -3,8 +3,9 @@ package com.onegini.mobile.onegini_example
 import android.content.Intent
 import com.onegini.mobile.sdk.flutter.handlers.BrowserRegistrationRequestHandler
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.android.FlutterFragmentActivity
 
-class MainActivity : FlutterActivity() {
+class MainActivity : FlutterFragmentActivity() {
 
     override fun onNewIntent(intent: Intent) {
         super.onNewIntent(intent)
@@ -14,4 +15,4 @@ class MainActivity : FlutterActivity() {
             BrowserRegistrationRequestHandler.handleRegistrationCallback(intent.data!!)
         }
     }
-}
+}

example/lib/ow_broadcast_helper.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:onegini/events/onewelcome_events.dart';
 import 'package:onegini/onegini.dart';
+import 'package:onegini_example/subscription_handlers/biometric_subscriptions.dart';
 import 'package:onegini_example/subscription_handlers/browser_registration_subscriptions.dart';
 import 'package:onegini_example/subscription_handlers/create_pin_subscriptions.dart';
 import 'package:onegini_example/subscription_handlers/custom_registration_subscriptions.dart';
@@ -29,8 +30,9 @@ class OWBroadcastHelper {
       BuildContext context) {
     var pinAuthSubs = initPinAuthenticationSubscriptions(context);
     var fingerprintSubs = initFingerprintSubscriptions(context);
+    var biometricSubs = initBiometricSubscriptions(context);
 
-    return pinAuthSubs + fingerprintSubs;
+    return pinAuthSubs + fingerprintSubs + biometricSubs;
   }
 
   static void stopListening(List<StreamSubscription<OWEvent>>? subscriptions) {

example/lib/subscription_handlers/biometric_subscriptions.dart

@@ -0,0 +1,27 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:onegini/events/biometric_event.dart';
+import 'package:onegini/events/onewelcome_events.dart';
+import 'package:onegini_example/ow_broadcast_helper.dart';
+import 'package:onegini/callbacks/onegini_biometric_callback.dart';
+
+// Event Subscriptions related to biometric prompt
+List<StreamSubscription<OWEvent>> initBiometricSubscriptions(
+    BuildContext context) {
+
+  var openSub = _getOpenBiometricSub(context);
+  var closeSub = _getCloseBiometricSub(context);
+  return [openSub, closeSub];
+}
+
+StreamSubscription<OWEvent> _getOpenBiometricSub(BuildContext context) {
+  return OWBroadcastHelper.createStream<StartBiometricAuthEvent>().listen((event) {
+    OneginiBiometricCallback().showBiometricPrompt("Biometric Authentication", "Authenticate user", "Use PIN");
+  });
+}
+
+StreamSubscription<OWEvent> _getCloseBiometricSub(BuildContext context) {
+  return OWBroadcastHelper.createStream<FinishBiometricAuthEvent>().listen((event) {
+  });
+}