init firebase

packages/stream_chat_v1/lib/app.dart

@@ -1,10 +1,10 @@
 import 'dart:async';
 
-import 'package:example/state/init_data.dart';
 import 'package:example/pages/choose_user_page.dart';
 import 'package:example/pages/splash_screen.dart';
 import 'package:example/routes/app_routes.dart';
 import 'package:example/routes/routes.dart';
+import 'package:example/state/init_data.dart';
 import 'package:example/utils/app_config.dart';
 import 'package:example/utils/local_notification_observer.dart';
 import 'package:example/utils/localizations.dart';

packages/stream_chat_v1/lib/firebase_options.dart

@@ -0,0 +1,89 @@
+// File generated by FlutterFire CLI.
+// ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
+import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;
+import 'package:flutter/foundation.dart'
+    show defaultTargetPlatform, kIsWeb, TargetPlatform;
+
+/// Default [FirebaseOptions] for use with your Firebase apps.
+///
+/// Example:
+/// ```dart
+/// import 'firebase_options.dart';
+/// // ...
+/// await Firebase.initializeApp(
+///   options: DefaultFirebaseOptions.currentPlatform,
+/// );
+/// ```
+class DefaultFirebaseOptions {
+  static FirebaseOptions get currentPlatform {
+    if (kIsWeb) {
+      return web;
+    }
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+        return android;
+      case TargetPlatform.iOS:
+        return ios;
+      case TargetPlatform.macOS:
+        return macos;
+      case TargetPlatform.windows:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for windows - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      case TargetPlatform.linux:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for linux - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      default:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions are not supported for this platform.',
+        );
+    }
+  }
+
+  static const FirebaseOptions web = FirebaseOptions(
+    apiKey: 'AIzaSyA4Obi2paSQ1IZZ88OcMC98DJlpV16DAzE',
+    appId: '1:674907137625:web:a4b97e5d080ec165d7f348',
+    messagingSenderId: '674907137625',
+    projectId: 'stream-chat-internal',
+    authDomain: 'stream-chat-internal.firebaseapp.com',
+    databaseURL: 'https://stream-chat-internal.firebaseio.com',
+    storageBucket: 'stream-chat-internal.appspot.com',
+    measurementId: 'G-F2RV4P139L',
+  );
+
+  static const FirebaseOptions android = FirebaseOptions(
+    apiKey: 'AIzaSyBArS4RH7lUn3xbD-jhzWl5hVWZhliRgY0',
+    appId: '1:674907137625:android:e55b74fd5747e39ad7f348',
+    messagingSenderId: '674907137625',
+    projectId: 'stream-chat-internal',
+    databaseURL: 'https://stream-chat-internal.firebaseio.com',
+    storageBucket: 'stream-chat-internal.appspot.com',
+  );
+
+  static const FirebaseOptions ios = FirebaseOptions(
+    apiKey: 'AIzaSyBTAsaKFUPLAJqfsLiz0yPUVzwrgJkOwSE',
+    appId: '1:674907137625:ios:cafb9fb076a453c4d7f348',
+    messagingSenderId: '674907137625',
+    projectId: 'stream-chat-internal',
+    databaseURL: 'https://stream-chat-internal.firebaseio.com',
+    storageBucket: 'stream-chat-internal.appspot.com',
+    androidClientId: '674907137625-2scfo9a5cs074dced5vhm712ej6hhtpm.apps.googleusercontent.com',
+    iosClientId: '674907137625-flarfn9cefu4lermgpbc4b8rm8l15ian.apps.googleusercontent.com',
+    iosBundleId: 'io.getstream.flutter',
+  );
+
+  static const FirebaseOptions macos = FirebaseOptions(
+    apiKey: 'AIzaSyBTAsaKFUPLAJqfsLiz0yPUVzwrgJkOwSE',
+    appId: '1:674907137625:ios:c719c700198c28b1d7f348',
+    messagingSenderId: '674907137625',
+    projectId: 'stream-chat-internal',
+    databaseURL: 'https://stream-chat-internal.firebaseio.com',
+    storageBucket: 'stream-chat-internal.appspot.com',
+    androidClientId: '674907137625-2scfo9a5cs074dced5vhm712ej6hhtpm.apps.googleusercontent.com',
+    iosClientId: '674907137625-p3msks3snq0h22l7ekpqcf0frr0vt8mg.apps.googleusercontent.com',
+    iosBundleId: 'io.getstream.streamChatV1',
+  );
+}

packages/stream_chat_v1/lib/main.dart

@@ -4,10 +4,32 @@ import 'package:example/utils/app_config.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+
 
 import 'package:example/app.dart';
 
-void main() async {
+import 'firebase_options.dart';
+
+@pragma('vm:entry-point')
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  print("#firebase; PN_2 ");
+  await Firebase.initializeApp();
+
+  // If you're going to use other Firebase services in the background, such as Firestore,
+  // make sure you call `initializeApp` before using other Firebase services.
+  print('[setupPushNotifications] newMessage: ${message.toMap()}');
+}
+
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  print("#firebase; PN_1");
+  await Firebase.initializeApp();
+  Firebase.apps.forEach((it) {
+    print("#firebase; app: $it");
+  });
+  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
   /// Captures errors reported by the Flutter framework.
   FlutterError.onError = (FlutterErrorDetails details) {
     if (kDebugMode) {

packages/stream_chat_v1/lib/pages/channel_list_page.dart

@@ -7,6 +7,7 @@ import 'package:example/routes/routes.dart';
 import 'package:example/utils/app_config.dart';
 import 'package:example/utils/localizations.dart';
 import 'package:example/widgets/channel_list.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_app_badger/flutter_app_badger.dart';
@@ -125,10 +126,39 @@ class _ChannelListPageState extends State<ChannelListPage> {
           FlutterAppBadger.removeBadge();
         }
       });
+      unawaited(_setupPushNotifications(StreamChat.of(context).client));
     }
     super.initState();
   }
 
+  Future<void> _setupPushNotifications(StreamChatClient client) async {
+    
+    FirebaseMessaging messaging = FirebaseMessaging.instance;
+
+    NotificationSettings settings = await messaging.requestPermission(
+      alert: true,
+      announcement: false,
+      badge: true,
+      carPlay: false,
+      criticalAlert: false,
+      provisional: false,
+      sound: true,
+    );
+
+    print('[setupPushNotifications] #firebase; settings: ${settings.authorizationStatus}');
+
+    String? token = await FirebaseMessaging.instance.getToken();
+    if (token != null) {
+      final result = await client.addDevice(token, PushProvider.firebase);
+      print('[setupPushNotifications] #firebase; token registered: $token');
+    }
+    FirebaseMessaging.instance.onTokenRefresh.listen((token) async {
+      final result = await client.addDevice(token, PushProvider.firebase);
+      print('[setupPushNotifications] #firebase; token refreshed: $token');
+    });
+
+  }
+
   @override
   void dispose() {
     badgeListener?.cancel();