Added home-screen app-icon Notification badge

lib/api/mhsl/server/userIndex/update/updateUserindex.dart

@@ -5,11 +5,11 @@ import 'package:crypto/crypto.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:http/http.dart' as http;
-import 'package:marianum_mobile/api/mhsl/server/userIndex/update/updateUserIndexParams.dart';
 import 'package:package_info/package_info.dart';
 
 import '../../../../../model/accountData.dart';
 import '../../../mhslApi.dart';
+import 'updateUserIndexParams.dart';
 
 class UpdateUserIndex extends MhslApi<void> {
   UpdateUserIndexParams params;

lib/app.dart

@@ -56,11 +56,13 @@ class _AppState extends State<App> {
         NotifyUpdater.registerToServer();
       });
     }
-
+    
     FirebaseMessaging.onMessage.listen((message) => NotificationController.onForegroundMessageHandler(message, context));
-    FirebaseMessaging.onMessageOpenedApp.listen((message) => NotificationController.onForegroundMessageHandler(message, context));
     FirebaseMessaging.onBackgroundMessage(NotificationController.onBackgroundMessageHandler);
 
+    FirebaseMessaging.onMessageOpenedApp.listen((message) => NotificationController.onAppOpenedByNotification(message, context));
+    FirebaseMessaging.instance.getInitialMessage().then((message) => message == null ? null : NotificationController.onAppOpenedByNotification(message, context));
+
     super.initState();
   }
 

lib/model/chatList/chatListProps.dart

@@ -1,4 +1,6 @@
 
+import 'package:flutter_app_badger/flutter_app_badger.dart';
+
 import '../../api/apiResponse.dart';
 import '../../api/marianumcloud/talk/room/getRoomCache.dart';
 import '../../api/marianumcloud/talk/room/getRoomResponse.dart';
@@ -20,6 +22,7 @@ class ChatListProps extends DataHolder {
       onUpdate: (GetRoomResponse data) => {
         _getRoomResponse = data,
         notifyListeners(),
+        FlutterAppBadger.updateBadgeCount(data.data.map((e) => e.unreadMessages).reduce((a, b) => a+b))
       }
     );
   }

lib/notification/notificationController.dart

@@ -1,15 +1,16 @@
 import 'package:firebase_messaging/firebase_messaging.dart';
-import 'package:flutter/cupertino.dart';
-import 'package:provider/provider.dart';
+import 'package:flutter/material.dart';
 
-import '../model/chatList/chatListProps.dart';
-import '../model/message/messageProps.dart';
+import '../widget/debug/debugTile.dart';
+import '../widget/debug/jsonViewer.dart';
+import 'notificationTasks.dart';
 
 class NotificationController {
   @pragma('vm:entry-point')
   static Future<void> onBackgroundMessageHandler(RemoteMessage message) async {
+    NotificationTasks.updateBadgeCount(message);
     return; // Displaying the notification is curently done via the Firebase SDK itself. The Message is server-generated.
-    // log("Handling a background notification: ${message.messageId}");
+
     //
     // await Firebase.initializeApp();
     // AccountData().waitForPopulation().then((value) {
@@ -38,8 +39,24 @@ class NotificationController {
   }
 
   static Future<void> onForegroundMessageHandler(RemoteMessage message, BuildContext context) async {
-    //NotificationService().showToast(message: "Du hast eine neue Talk Nachricht!", context: context);
-    Provider.of<ChatListProps>(context, listen: false).run(renew: true);
-    Provider.of<MessageProps>(context, listen: false).run(renew: true);
+    NotificationTasks.updateProviders(context);
+    NotificationTasks.updateBadgeCount(message);
+  }
+
+  static Future<void> onAppOpenedByNotification(RemoteMessage message, BuildContext context) async {
+    NotificationTasks.updateProviders(context);
+
+    DebugTile(context).run(() {
+      showDialog(context: context, builder: (context) => AlertDialog(
+        title: const Text("Notification report"),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            const Text("Dieser Bericht wird angezeigt, da du den Entwicklermodus aktiviert hast und die App über eine Benachrichtigung geöffnet wurde."),
+            Text(JsonViewer.format(message.data)),
+          ],
+        ),
+      ));
+    });
   }
 }

lib/notification/notificationTasks.dart

@@ -0,0 +1,22 @@
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_app_badger/flutter_app_badger.dart';
+import 'package:provider/provider.dart';
+
+import '../model/chatList/chatListProps.dart';
+import '../model/chatList/chatProps.dart';
+
+class NotificationTasks {
+  static void updateBadgeCount(RemoteMessage notification) {
+    FlutterAppBadger.updateBadgeCount(int.parse(notification.data['unreadCount'] ?? 0));
+  }
+
+  static void updateProviders(BuildContext context) {
+    Provider.of<ChatListProps>(context, listen: false).run(renew: true);
+    Provider.of<ChatProps>(context, listen: false).run();
+  }
+
+  static void navigateToTalk() {
+    // TODO Navigate
+  }
+}

lib/view/pages/talk/joinChat.dart

@@ -80,7 +80,7 @@ class JoinChat extends SearchDelegate<String> {
             }
           );
         } else if(snapshot.hasError) {
-          return PlaceholderView(icon: Icons.search_off, text: snapshot.error.toString());
+          return const PlaceholderView(icon: Icons.search_off, text: "Ein fehler ist aufgetreten. Bist du mit dem Internet verbunden?");
         }
 
         return const Center(child: CircularProgressIndicator());

lib/widget/debug/debugTile.dart

@@ -11,6 +11,8 @@ class DebugTile {
   bool onlyInDebug;
   DebugTile(this.context, {this.onlyInDebug = false});
 
+  bool devConditionFulfilled() => Provider.of<SettingsProvider>(context, listen: false).val().devToolsEnabled && (onlyInDebug ? kDebugMode : true);
+
   Widget jsonData(Map<String, dynamic> data, {bool ignoreConfig = false}) {
     return callback(
       title: "JSON daten anzeigen",
@@ -31,8 +33,13 @@ class DebugTile {
 
   Widget child(Widget child) {
     return Visibility(
-      visible: Provider.of<SettingsProvider>(context).val().devToolsEnabled && (onlyInDebug ? kDebugMode : true),
+      visible: devConditionFulfilled(),
       child: child,
     );
   }
+
+  void run(void Function() callback) {
+    if(!devConditionFulfilled()) return;
+    callback();
+  }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -10,6 +10,7 @@ import fast_rsa
 import file_selector_macos
 import firebase_core
 import firebase_messaging
+import flutter_app_badger
 import flutter_local_notifications
 import package_info
 import path_provider_foundation
@@ -25,6 +26,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
   FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
   FLTFirebaseMessagingPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseMessagingPlugin"))
+  FlutterAppBadgerPlugin.register(with: registry.registrar(forPlugin: "FlutterAppBadgerPlugin"))
   FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   FLTPackageInfoPlugin.register(with: registry.registrar(forPlugin: "FLTPackageInfoPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))

pubspec.yaml

@@ -91,6 +91,7 @@ dependencies:
   flutter_split_view: ^0.1.2
   bottom_sheet: ^4.0.0
   device_info_plus: ^9.0.3
+  flutter_app_badger: ^1.5.0
 
 dev_dependencies:
   flutter_test: