feat: Enable Firebase Cloud Messaging for iOS with platform-specific configurations and update Android build settings.

android/app/build.gradle.kts

@@ -12,6 +12,7 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
     }
@@ -55,6 +56,10 @@ android {
     }
 }
 
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}
+
 flutter {
     source = "../.."
 }

ios/Runner/AppDelegate.swift

@@ -1,5 +1,6 @@
 import Flutter
 import UIKit
+import FirebaseMessaging
 
 @main
 @objc class AppDelegate: FlutterAppDelegate {
@@ -10,4 +11,13 @@ import UIKit
     GeneratedPluginRegistrant.register(with: self)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
+
+  // Forward APNs token to Firebase for FCM
+  override func application(
+    _ application: UIApplication,
+    didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data
+  ) {
+    Messaging.messaging().apnsToken = deviceToken
+    super.application(application, didRegisterForRemoteNotificationsWithDeviceToken: deviceToken)
+  }
 }

lib/config/firebase_config.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:firebase_core/firebase_core.dart';
 import 'package:real_estate_mobile/config/app_config.dart';
 
@@ -5,44 +7,68 @@ class FirebaseConfig {
   static FirebaseOptions get currentOptions {
     switch (AppConfig.flavor) {
       case Flavor.dev:
-        return _dev;
+        return Platform.isIOS ? _devIos : _devAndroid;
       case Flavor.demo:
-        return _demo;
+        return Platform.isIOS ? _demoIos : _demoAndroid;
       case Flavor.local:
-        return _local;
+        return Platform.isIOS ? _localIos : _localAndroid;
     }
   }
 
-  // ── Dev ──
+  // ── Dev (Android) ──
-  static const _dev = FirebaseOptions(
+  static const _devAndroid = FirebaseOptions(
-    apiKey: 'AIzaSyAwb_9fc7n9gbN_IQqWeYRkHSSykzVHCyc', // Android
+    apiKey: 'AIzaSyAwb_9fc7n9gbN_IQqWeYRkHSSykzVHCyc',
     appId: '1:703616926518:android:4342b796fbabb690fca997',
     messagingSenderId: '703616926518',
     projectId: 'real-estate-2d71e',
     storageBucket: 'real-estate-2d71e.firebasestorage.app',
-    iosBundleId: 'com.requestn.realEstateMobile.dev',
-    iosClientId: null,
   );
 
-  // ── Demo ──
+  // ── Dev (iOS) ──
-  static const _demo = FirebaseOptions(
+  static const _devIos = FirebaseOptions(
+    apiKey: 'AIzaSyD67KPio-70XW_yGjrRUyq9ejdZoZA1rmE',
+    appId: '1:703616926518:ios:301cac94994fbdc3fca997',
+    messagingSenderId: '703616926518',
+    projectId: 'real-estate-2d71e',
+    storageBucket: 'real-estate-2d71e.firebasestorage.app',
+    iosBundleId: 'com.requestn.realEstateMobile.dev',
+  );
+
+  // ── Demo (Android) ──
+  static const _demoAndroid = FirebaseOptions(
     apiKey: 'AIzaSyAwb_9fc7n9gbN_IQqWeYRkHSSykzVHCyc',
     appId: '1:703616926518:android:270639d6887d2cb4fca997',
     messagingSenderId: '703616926518',
     projectId: 'real-estate-2d71e',
     storageBucket: 'real-estate-2d71e.firebasestorage.app',
-    iosBundleId: 'com.requestn.realEstateMobile.demo',
-    iosClientId: null,
   );
 
-  // ── Local ──
+  // ── Demo (iOS) ──
-  static const _local = FirebaseOptions(
+  static const _demoIos = FirebaseOptions(
+    apiKey: 'AIzaSyD67KPio-70XW_yGjrRUyq9ejdZoZA1rmE',
+    appId: '1:703616926518:ios:2d2f7d163774722dfca997',
+    messagingSenderId: '703616926518',
+    projectId: 'real-estate-2d71e',
+    storageBucket: 'real-estate-2d71e.firebasestorage.app',
+    iosBundleId: 'com.requestn.realEstateMobile.demo',
+  );
+
+  // ── Local (Android) ──
+  static const _localAndroid = FirebaseOptions(
     apiKey: 'AIzaSyAwb_9fc7n9gbN_IQqWeYRkHSSykzVHCyc',
     appId: '1:703616926518:android:2eb242f07b174c25fca997',
     messagingSenderId: '703616926518',
     projectId: 'real-estate-2d71e',
     storageBucket: 'real-estate-2d71e.firebasestorage.app',
+  );
+
+  // ── Local (iOS) ──
+  static const _localIos = FirebaseOptions(
+    apiKey: 'AIzaSyD67KPio-70XW_yGjrRUyq9ejdZoZA1rmE',
+    appId: '1:703616926518:ios:15652d299f9f2d7ffca997',
+    messagingSenderId: '703616926518',
+    projectId: 'real-estate-2d71e',
+    storageBucket: 'real-estate-2d71e.firebasestorage.app',
     iosBundleId: 'com.requestn.realEstateMobile.local',
-    iosClientId: null,
   );
 }

lib/core/services/push_notification_service.dart

@@ -30,16 +30,8 @@ class PushNotificationService {
   void Function(String? actionUrl)? onNotificationTap;
 
   /// Initialize Firebase Messaging and local notifications.
-  /// Skipped on iOS until Firebase iOS app is configured.
   Future<void> initialize() async {
     if (_initialized) return;
-
-    // Skip on iOS — no Firebase iOS app configured yet
-    if (Platform.isIOS) {
-      debugPrint('[FCM] Skipped on iOS — no Firebase iOS app configured');
-      return;
-    }
-
     _initialized = true;
 
     _messaging = FirebaseMessaging.instance;
@@ -188,7 +180,7 @@ class PushNotificationService {
 
   /// Unregister FCM token from backend (call on logout).
   Future<void> unregister() async {
-    if (Platform.isIOS || _currentToken == null) return;
+    if (_currentToken == null) return;
     try {
       await _repo.removeFcmToken(_currentToken!);
       debugPrint('[FCM] Token unregistered from backend');
@@ -200,7 +192,6 @@ class PushNotificationService {
 
   /// Re-register token after login.
   Future<void> registerAfterLogin() async {
-    if (Platform.isIOS) return;
     await _getAndRegisterToken();
   }
 }

lib/main.dart

@@ -10,12 +10,7 @@ Future<void> mainCommon(Flavor flavor) async {
   WidgetsFlutterBinding.ensureInitialized();
   await AppConfig.init(flavor);
 
-  // Initialize Firebase — iOS may fail if no iOS app configured in Firebase Console
+  await Firebase.initializeApp(options: FirebaseConfig.currentOptions);
-  try {
-    await Firebase.initializeApp(options: FirebaseConfig.currentOptions);
-  } catch (e) {
-    debugPrint('[Firebase] Init failed (expected on iOS without config): $e'); // ignore: avoid_print
-  }
 
   runApp(const ProviderScope(child: MyApp()));
 }