* Updated dependencies

* Fixed linter warnings
* Added handleInitialMessage attribute
* Exported firebase_messaging package
* Updated version
* Updated example app name
* Updated README.md

Author: rithik-dev

CHANGELOG.md

@@ -1,3 +1,11 @@
+## [1.0.8] - 07/06/2022
+
+* Updated dependencies
+* Fixed linter warnings
+* Added handleInitialMessage attribute
+* Exported firebase_messaging package
+* Updated README.md
+
 ## [1.0.7] - 02/05/2022
 
 * Updated example app to a fully functional app...

README.md

@@ -171,6 +171,8 @@ FirebaseNotificationsHandler(
     },
     channelId: 'ChannelId',
     enableLogs: true,
+
+    // ... and a lot more
 ),
 ```
 

example/android/app/src/main/AndroidManifest.xml

@@ -4,7 +4,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
-        android:label="notifications_handler_demo"
+        android:label="FirebaseNotificationsHandler Demo"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
 

example/ios/Runner/Info.plist

@@ -13,7 +13,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>notifications_handler_demo</string>
+	<string>FirebaseNotificationsHandler Demo</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>

example/lib/screens/home_screen.dart

@@ -55,9 +55,9 @@ class _HomeScreenState extends State<HomeScreen> with WidgetsBindingObserver {
                 onChanged: (value) {
                   setState(() => showNotificationsOnLifecycleChange = value);
                   if (showNotificationsOnLifecycleChange) {
-                    WidgetsBinding.instance?.addObserver(this);
+                    WidgetsBinding.instance.addObserver(this);
                   } else {
-                    WidgetsBinding.instance?.removeObserver(this);
+                    WidgetsBinding.instance.removeObserver(this);
                   }
                 },
                 value: showNotificationsOnLifecycleChange,

example/pubspec.lock

@@ -49,7 +49,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   dbus:
     dependency: transitive
     description:
@@ -70,7 +70,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   ffi:
     dependency: transitive
     description:
@@ -98,42 +98,42 @@ packages:
       name: firebase_core_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.5"
+    version: "4.4.0"
   firebase_core_web:
     dependency: transitive
     description:
       name: firebase_core_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.2"
+    version: "1.6.4"
   firebase_messaging:
     dependency: transitive
     description:
       name: firebase_messaging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "11.2.15"
+    version: "11.4.1"
   firebase_messaging_platform_interface:
     dependency: transitive
     description:
       name: firebase_messaging_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.3.1"
+    version: "3.5.1"
   firebase_messaging_web:
     dependency: transitive
     description:
       name: firebase_messaging_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.13"
+    version: "2.4.1"
   firebase_notifications_handler:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.0.7"
+    version: "1.0.8"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -152,14 +152,14 @@ packages:
       name: flutter_local_notifications
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "9.4.1"
+    version: "9.6.0"
   flutter_local_notifications_linux:
     dependency: transitive
     description:
       name: flutter_local_notifications_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.5.0+1"
   flutter_local_notifications_platform_interface:
     dependency: transitive
     description:
@@ -197,7 +197,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3"
+    version: "0.6.4"
   lints:
     dependency: transitive
     description:
@@ -218,7 +218,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -232,14 +232,14 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   path_provider:
     dependency: transitive
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.9"
+    version: "2.0.11"
   path_provider_android:
     dependency: transitive
     description:
@@ -321,7 +321,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -356,7 +356,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
+    version: "0.4.9"
   timezone:
     dependency: transitive
     description:
@@ -377,7 +377,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   win32:
     dependency: transitive
     description:
@@ -400,5 +400,5 @@ packages:
     source: hosted
     version: "5.3.1"
 sdks:
-  dart: ">=2.16.1 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=2.8.1"

lib/firebase_notifications_handler.dart

@@ -1,4 +1,6 @@
 library firebase_notifications_handler;
 
-export 'src/widget.dart';
+export 'package:firebase_messaging/firebase_messaging.dart';
+
 export 'src/app_state.dart';
+export 'src/widget.dart';

lib/src/service.dart

@@ -82,6 +82,7 @@ class PushNotificationService {
         onTap,
     GlobalKey<NavigatorState>? navigatorKey,
     String? customSound,
+    required bool handleInitialMessage,
     required String channelId,
     required String channelName,
     required String channelDescription,
@@ -111,10 +112,12 @@ class PushNotificationService {
 
     _fcmToken = await initializeFCMToken(vapidKey: vapidKey);
 
-    final _bgMessage = await _fcm.getInitialMessage();
-    if (_bgMessage != null) {
-      _openedAppFromNotification = true;
-      _onBackgroundMessage(_bgMessage);
+    if (handleInitialMessage) {
+      final bgMessage = await _fcm.getInitialMessage();
+      if (bgMessage != null) {
+        _openedAppFromNotification = true;
+        _onBackgroundMessage(bgMessage);
+      }
     }
 
     /// Registering the listeners
@@ -157,14 +160,14 @@ class PushNotificationService {
   /// notifications to show a notification when the app is in foreground.
   static Future<FlutterLocalNotificationsPlugin>
       _initializeLocalNotifications() async {
-    final _flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+    final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
     const initializationSettings = InitializationSettings(
       android: AndroidInitializationSettings('@mipmap/ic_launcher'),
       // iOS: IOSInitializationSettings(
       //   onDidReceiveLocalNotification: (id, title, body, payload) async {},
       // ),
     );
-    await _flutterLocalNotificationsPlugin.initialize(
+    await flutterLocalNotificationsPlugin.initialize(
       initializationSettings,
       onSelectNotification: (String? payload) async {
         if (_onTap != null) {
@@ -176,7 +179,7 @@ class PushNotificationService {
         }
       },
     );
-    return _flutterLocalNotificationsPlugin;
+    return flutterLocalNotificationsPlugin;
   }
 
   /// [_notificationHandler] implementation
@@ -225,7 +228,7 @@ class PushNotificationService {
       }
     }
 
-    final _androidSpecifics = AndroidNotificationDetails(
+    final androidSpecifics = AndroidNotificationDetails(
       message.notification?.android?.channelId ?? _channelId!,
       _channelName!,
       channelDescription: _channelDescription!,
@@ -241,19 +244,19 @@ class PushNotificationService {
       enableVibration: true,
     );
 
-    final _iOsSpecifics = IOSNotificationDetails(sound: _customSound);
+    final iOsSpecifics = IOSNotificationDetails(sound: _customSound);
 
     final notificationPlatformSpecifics = NotificationDetails(
-      android: _androidSpecifics,
-      iOS: _iOsSpecifics,
+      android: androidSpecifics,
+      iOS: iOsSpecifics,
     );
 
-    final _localNotifications = await _initializeLocalNotifications();
+    final localNotifications = await _initializeLocalNotifications();
 
     _notificationIdCallback ??= (_) => DateTime.now().hashCode;
 
     if (appState == AppState.open) {
-      await _localNotifications.show(
+      await localNotifications.show(
         _notificationIdCallback!(message),
         message.notification?.title,
         message.notification?.body,

lib/src/widget.dart

@@ -62,6 +62,19 @@ class FirebaseNotificationsHandler extends StatefulWidget {
   /// {@endtemplate}
   final String? customSound;
 
+  /// {@template handleInitialMessage}
+  ///
+  /// Whether to check if the application has been opened
+  /// from a terminated state via a [RemoteMessage].
+  ///
+  /// If false, then [openedAppFromNotification] will always be false.
+  ///
+  /// If true, then checks for the initial message, and
+  /// if it exists, [onTap] is called with [AppState.closed].
+  ///
+  /// {@endtemplate}
+  final bool handleInitialMessage;
+
   /// {@template channelId}
   /// If message.notification?.android?.channelId exists in the map,
   /// then it is used, if not then the default value is used, else the value
@@ -172,6 +185,7 @@ class FirebaseNotificationsHandler extends StatefulWidget {
     this.defaultNavigatorKey,
     this.customSound,
     this.notificationIdCallback,
+    this.handleInitialMessage = true,
     this.channelId = Constants.channelId,
     this.channelName = Constants.channelName,
     this.channelDescription = Constants.channelDescription,
@@ -239,6 +253,7 @@ class FirebaseNotificationsHandler extends StatefulWidget {
   }
 
   @override
+  // ignore: library_private_types_in_public_api
   _FirebaseNotificationsHandlerState createState() =>
       _FirebaseNotificationsHandlerState();
 }
@@ -254,6 +269,7 @@ class _FirebaseNotificationsHandlerState
         onTap: widget.onTap,
         navigatorKey: widget.defaultNavigatorKey,
         customSound: widget.customSound,
+        handleInitialMessage: widget.handleInitialMessage,
         channelId: widget.channelId,
         channelName: widget.channelName,
         channelDescription: widget.channelDescription,
@@ -262,6 +278,7 @@ class _FirebaseNotificationsHandlerState
         notificationIdCallback: widget.notificationIdCallback,
       );
 
+      if (!mounted) return;
       widget.onFCMTokenInitialize?.call(context, token);
 
       PushNotificationService.onTokenRefresh.listen((token) {