Setup do firebase para web (sem envio de token)

lib/model/network/login.dart

 import 'package:comunicacao_hsl/model/mixin/network_basic_operations_mixin.dart';
 import 'package:comunicacao_hsl/model/network/communication.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter/foundation.dart';
 
 class LoginModel with NetworkBasicOperationsMixin {
   /// Singleton constructor
@@ -18,7 +19,8 @@ class LoginModel with NetworkBasicOperationsMixin {
   String? token;
 
   Future<bool> connect(int withMatricula) async {
-    String? token = await FirebaseMessaging.instance.getToken();
+    String? token;
+    if (!kIsWeb) token = await FirebaseMessaging.instance.getToken();
     var response = await post(body: {
       "registry": withMatricula,
       if (token != null) "firebaseMessagingToken": token,

lib/view/home/home_controller.dart

@@ -4,14 +4,13 @@ import 'package:comunicacao_hsl/model/network/communication.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
 
 class HomeController {
   final ValueNotifier<List<Announcement>> announcements = ValueNotifier([]);
   final ValueNotifier<bool> haveLoadedData = ValueNotifier(false);
   final ValueNotifier<int> nonViewedCount = CommunicationModel().nonViewedCount;
 
-  late FirebaseMessaging _messaging;
-
   HomeController();
 
   void loadCommunications() {
@@ -44,10 +43,10 @@ class HomeController {
     String? token = await FirebaseMessaging.instance.getToken();
     print('Firebase Messaging token: $token');
 
-    _messaging = FirebaseMessaging.instance;
     FirebaseMessaging.onBackgroundMessage(firebaseMessagingBackgroundHandler);
 
-    NotificationSettings settings = await _messaging.requestPermission(
+    NotificationSettings settings =
+        await FirebaseMessaging.instance.requestPermission(
       alert: true,
       badge: true,
       provisional: false,
@@ -56,16 +55,6 @@ class HomeController {
 
     if (settings.authorizationStatus == AuthorizationStatus.authorized) {
       print('User granted permission');
-
-      FirebaseMessaging.onMessage.listen((RemoteMessage message) {
-        print(
-            "Firebase onMessage: ${message.messageId} ${message.notification?.title} ${message.notification?.body}");
-      });
-
-      FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
-        print(
-            "Firebase onMessageOpenedApp: ${message.messageId} ${message.notification?.title} ${message.notification?.body}");
-      });
     } else {
       print('User declined or has not accepted permission');
     }

pubspec.lock

@@ -112,7 +112,7 @@ packages:
       name: firebase_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -140,14 +140,14 @@ packages:
       name: firebase_messaging_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.6"
+    version: "3.0.7"
   firebase_messaging_web:
     dependency: transitive
     description:
       name: firebase_messaging_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
+    version: "2.0.7"
   flutter:
     dependency: "direct main"
     description: flutter

web/firebase-messaging-sw.js

+importScripts("https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js");
+importScripts("https://www.gstatic.com/firebasejs/8.6.1/firebase-messaging.js");
+
+firebase.initializeApp({
+  apiKey: "AIzaSyA7PR5gYMb3qNwUg6Hbyqx0Z1cebALSl1c",
+  authDomain: "comunicacaohsl-37dd1.firebaseapp.com",
+  projectId: "comunicacaohsl-37dd1",
+  storageBucket: "comunicacaohsl-37dd1.appspot.com",
+  messagingSenderId: "463039167215",
+  appId: "1:463039167215:web:835a78c252399fa7ebb91a",
+  validKey: "BETNjn_A0k_TC8u1nJOVKcV18YeXozDNfGy1Ey02NxK5WSsyO4GDcXEWapPkoEmo5H6bXua4vgm-_NoTVsJTS-k",
+});
+
+const messaging = firebase.messaging();
+
+messaging.onBackgroundMessage((message) => {
+  console.log("onBackgroundMessage", message);
+});
\ No newline at end of file

web/index.html

@@ -41,6 +41,21 @@
   <!-- This script installs service_worker.js to provide PWA functionality to
        application. For more information, see:
        https://developers.google.com/web/fundamentals/primers/service-workers -->
+  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
+  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-messaging.js"></script>
+
+  <script>
+    firebase.initializeApp({
+      apiKey: "AIzaSyA7PR5gYMb3qNwUg6Hbyqx0Z1cebALSl1c",
+      authDomain: "comunicacaohsl-37dd1.firebaseapp.com",
+      projectId: "comunicacaohsl-37dd1",
+      storageBucket: "comunicacaohsl-37dd1.appspot.com",
+      messagingSenderId: "463039167215",
+      appId: "1:463039167215:web:835a78c252399fa7ebb91a",
+      validKey: "BETNjn_A0k_TC8u1nJOVKcV18YeXozDNfGy1Ey02NxK5WSsyO4GDcXEWapPkoEmo5H6bXua4vgm-_NoTVsJTS-k",
+    });
+  </script>
+
   <script>
     var serviceWorkerVersion = null;
     var scriptLoaded = false;
@@ -61,6 +76,7 @@
         // Wait for registration to finish before dropping the <script> tag.
         // Otherwise, the browser will load the script multiple times,
         // potentially different versions.
+        navigator.serviceWorker.register("firebase-messaging-sw.js");
         var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
         navigator.serviceWorker.register(serviceWorkerUrl)
           .then((reg) => {