Flutter onSelectNotification method doesn't show payload when app closed - flutter

I'm using flutterlocalnotifications package and FCM to send notifications to my users. Everything working perfectly. I can show notifications to my users when my app is in the background, foreground, or closed. I can reach payload value in foreground and background, but when the app is killed I can't reach payload anymore. I test in catlog but there isn't any print in the onSelectNotification.
How can reach this payload?
This is my notification handler class
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
AndroidNotificationChannel channel = AndroidNotificationChannel(
'high_importance_channel', // id
'High Importance Notifications', // title
'This channel is used for important notifications.', // description
importance: Importance.high,
);
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
// await Firebase.initializeApp();
//Bildirim geldiği anda datayı elde ettiğimiz alan
final dynamic data = message.data;
print('Data in background : ${data.toString()}');
NotificationHandler.showNotification(data);
}
class NotificationHandler {
final FirebaseMessaging _firebaseMessaging = FirebaseMessaging.instance;
static final NotificationHandler _singleton = NotificationHandler._internal();
factory NotificationHandler() {
return _singleton;
}
NotificationHandler._internal();
BuildContext myContext;
initializeFCMNotifications(BuildContext context) async {
await _firebaseMessaging.setForegroundNotificationPresentationOptions(
alert: true, badge: true, sound: true);
var initializationSettingsAndroid =
AndroidInitializationSettings('app_icon');
var initializationSettingsIOS = IOSInitializationSettings(
onDidReceiveLocalNotification: onDidReceiveLocalNotification);
var initializationSettings = InitializationSettings(
android: initializationSettingsAndroid, iOS: initializationSettingsIOS);
await flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
await _firebaseMessaging.subscribeToTopic("all");
await FirebaseMessaging.instance
.getInitialMessage()
.then((RemoteMessage message) {
if (message != null) {
print('initialmessage tetiklendi : ' + message.data.toString());
}
});
FirebaseMessaging.onMessage.listen((RemoteMessage message) {
var notification = message.notification;
var android = message.notification?.android;
print('ONMESSAGE ÇALIŞTI');
print('onmessage tetiklendi data : ' +
message.data['message'] +
' title ' +
message.data['title']);
showNotification(message.data);
});
FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
print('Onmessageopened : ' + message.data.toString());
});
}
static void showNotification(Map<String, dynamic> data) async {
const androidPlatformChannelSpecifics = AndroidNotificationDetails(
'1234', 'Yeni Mesaj', 'your channel description',
importance: Importance.max, priority: Priority.high, ticker: 'ticker');
const IOSPlatformChannelSpecifics = IOSNotificationDetails();
const platformChannelSpecifics = NotificationDetails(
android: androidPlatformChannelSpecifics,
iOS: IOSPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin.show(
0, data['title'], data['message'], platformChannelSpecifics,
payload: 'The value when notification tapped');
}
Future onSelectNotification(String payload) async {
if (payload != null) {
debugPrint('notification payload : $payload');
}
}
Future onDidReceiveLocalNotification(
int id, String title, String body, String payload) {}
}
and these are the versions of the packages I use
firebase_messaging: ^9.1.1
flutter_local_notifications: ^5.0.0+1

Related

Navigate to another screen when I click on Firebase push notification either in foreground or background in Flutter

I use Firebase messaging in my Flutter app , I want to navigate to another screen when I click on the notification even my app is in foreground or background , I used many functions and it doesn't trigger the click event and I can't find anything can solve my problem .
When I click on the notification when app is in foreground or background , nothing happened because it navigate to the same page .
And when I click on the notification when app is terminated , it opens on Splash screen and go to the home not the screen that I want .
I added this intent-filter in my Manifest
<intent-filter>
<action android:name="FLUTTER_NOTIFICATION_CLICK" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
And I added this to the Json object
"click_action": "FLUTTER_NOTIFICATION_CLICK",
And here is how can I get background FCM in the main.dart
const AndroidNotificationChannel channel = AndroidNotificationChannel(
'high_importance', // id
'High Importance Notifications', // title
importance: Importance.high,
playSound: true);
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
SessionManager sessionManager = SessionManager();
await Firebase.initializeApp();
//final sound = 'sound.mp3';
print('A bg message just showed up : ${message.messageId}');
final android = AndroidInitializationSettings('#mipmap/ic_launcher');
final ios = IOSInitializationSettings(
requestSoundPermission: false,
requestBadgePermission: false,
requestAlertPermission: false,);
final settings = InitializationSettings(android: android,iOS: ios);
flutterLocalNotificationsPlugin.initialize(settings,);
if(message.data['title'].toString().toLowerCase()=="new request") {
sessionManager.getBadge().then((badge) {
if (badge != null) {
int x = badge + 1;
sessionManager.saveBadge(x);
print("notification number is " + x.toString());
}
else {
sessionManager.saveBadge(1);
}
});
}
flutterLocalNotificationsPlugin.show(
message.data.hashCode,
message.data['title'],
message.data['body'],
NotificationDetails(
android: AndroidNotificationDetails(
channel.id,
channel.name,
importance: Importance.high,
priority: Priority.high,
// sound: RawResourceAndroidNotificationSound(sound.split('.').first),
playSound: true,
icon: '#mipmap/ic_launcher',
),
));
/*NotificationApi.showNotification(
title: message.data['title'],
body: message.data['body'],
payload: "",
id: int.parse(channel.id));*/
}
Future<void> main() async{
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
await flutterLocalNotificationsPlugin
.resolvePlatformSpecificImplementation<
AndroidFlutterLocalNotificationsPlugin>()
?.createNotificationChannel(channel);
await FirebaseMessaging.instance.setForegroundNotificationPresentationOptions(
alert: true,
badge: true,
sound: true,
);
runApp(MyApps());
// configLoading();
}
class MyApps extends StatefulWidget {
const MyApps({Key? key}) : super(key: key);
#override
State<StatefulWidget> createState() {
return MyApp();
}
}
class MyApp extends State<MyApps> {
static ValueNotifier<int> strikeNotifier = ValueNotifier(0);
Color _primaryColor = Color(0xff0d8b75);
// This widget is the root of your application.
#override
Widget build(BuildContext context) {
return ScreenUtilInit(
builder: () => MaterialApp(
debugShowCheckedModeBanner: false,
home: SplashScreen(),
),
designSize: const Size(1080, 2280),
);
}
void showNotification(String title, String body) async {
await _demoNotification(title, body);
}
Future<void> _demoNotification(String title, String body) async {
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'channel_I', 'channel name',
showProgress: true,
priority: Priority.high,
playSound: true,
ticker: 'test ticker');
var iOSChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
android: androidPlatformChannelSpecifics, iOS: iOSChannelSpecifics);
await flutterLocalNotificationsPlugin
.show(0, title, body, platformChannelSpecifics, payload: 'test');
}
#override
void initState() {
super.initState();
FirebaseMessaging.instance.getInitialMessage().then((RemoteMessage? message) {
if (message != null) {
Navigator.push(context, MaterialPageRoute(builder: (context)=>DoneAndPaiedPagess(0)));
}
});
getToken().then((value) {
if(value!=null) {
AppConstants.firebaseToken = value;
}
});
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
new FlutterLocalNotificationsPlugin();
var initializationSettingsAndroid = AndroidInitializationSettings('#mipmap/ic_launcher');
var initializationSettingsIOS = IOSInitializationSettings();
var initializationSettings = InitializationSettings(android: initializationSettingsAndroid, iOS: initializationSettingsIOS);
flutterLocalNotificationsPlugin.initialize(initializationSettings,
);
FirebaseMessaging.onMessage.listen((RemoteMessage message) {
var data = message.data;
// AndroidNotification? android = message.notification?.android;/
if (data != null ) {
if(data['title'].toString().toLowerCase()=="new request") {
SessionManager sessionManager = SessionManager(context);
sessionManager.getBadge().then((badge) {
if (badge != null) {
setState(() {
int x = badge + 1;
strikeNotifier.value = x;
sessionManager.saveBadge(x);
});
}
else {
strikeNotifier.value = 1;
sessionManager.saveBadge(1);
}
});
}
print("entered");
flutterLocalNotificationsPlugin.show(
data.hashCode,
data['title'],
data['body'],
NotificationDetails(
android: AndroidNotificationDetails(
channel.id,
channel.name,
playSound: true,
icon: '#mipmap/ic_launcher',
),
));
}
});
FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
Navigator.push(context, MaterialPageRoute(builder: (context)=>DoneAndPaiedPagess(0)));
});
}
Future<String?> getToken() async{
String? token = await FirebaseMessaging.instance.getToken();
print("token is "+token!);
return token;
}
}
In yaml
firebase_core: ^1.12.0
firebase_messaging: ^11.2.6
dependency_overrides:
firebase_messaging_platform_interface: 3.1.6
Edit : from multiple solutions , I tried the most common solution that I used onMessageOpenedApp in initState but it doesn't enter in it
FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
Navigator.push(context, MaterialPageRoute(builder: (context)=>DoneAndPaiedPagess(0)));
});
In your code, you are using the flutter_local_notifications plugin and you are creating local notification when you get a push notification from firebase messaging.
Since the notification is not created by firebase messaging so, you are not getting on tap callback in getInitialMessage and onMessageOpenedApp.
In order to get on tap callback on local notifications, you can pass a callback function while initializing flutter_local_notifications
flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
void selectNotification(String payload) async {
if (payload != null) {
debugPrint('notification payload: $payload');
// Here you can check notification payload and redirect user to the respective screen
await Navigator.push(
context,
MaterialPageRoute<void>(builder: (context) => SecondScreen(payload)),
);
}
}
For more, you can check flutter_local_notifications documentation
On your home widget within initState, check the getInitialMessage value :
// get the remote message when your app opened from push notification while in background state
RemoteMessage? initialMessage = await FirebaseMessaging.instance.getInitialMessage();
// check if it is exists
if (initialMessage != null) {
// check the data property within RemoteMessage and do navigate based on it
}
Check the firebase flutter documentation here https://firebase.flutter.dev/docs/messaging/notifications/#handling-interaction.
Use onMessageOpenedApp stream to listen when a notification is opened in the foreground or background. When the application is terminated, use getInitialMessage to get a pending notification.

flutter_local_notifications plugin not showing the big image in notification

I need to make like this notification
My Output code
my Pubspec.yaml file. I am using latest version of flutter_local_notifications
flutter_local_notifications: ^9.2.0
This is my Notification Controller code
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/services.dart';
import 'package:http/http.dart' as http;
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:image/image.dart' as image;
import 'package:path_provider/path_provider.dart';
class NotificationService {
static final NotificationService _notificationService =
NotificationService._internal();
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
factory NotificationService() {
return _notificationService;
}
NotificationService._internal();
Future<void> init(
Function(int, String?, String?, String?)?
onDidReceiveLocalNotification) async {
const AndroidInitializationSettings initializationSettingsAndroid =
AndroidInitializationSettings('#mipmap/launcher_icon');
final IOSInitializationSettings initializationSettingsIOS =
IOSInitializationSettings(
requestAlertPermission: false,
requestBadgePermission: false,
requestSoundPermission: false,
onDidReceiveLocalNotification:
(int id, String? title, String? body, String? payload) async {},
);
final InitializationSettings initializationSettings =
InitializationSettings(
android: initializationSettingsAndroid,
iOS: initializationSettingsIOS,
);
await flutterLocalNotificationsPlugin.initialize(
initializationSettings,
onSelectNotification: (String? payload) async {
if (payload != null) {
print('notification payload: $payload');
}
},
);
}
Future selectNotification(String? payload) async {
print('selectNotification: $payload');
}
Future<String> _downloadAndSaveFile(String url, String fileName) async {
final Directory? directory = await getExternalStorageDirectory();
final String filePath = '${directory!.path}/$fileName.png';
final http.Response response = await http.get(Uri.parse(url));
final File file = File(filePath);
await file.writeAsBytes(response.bodyBytes);
return filePath;
}
Future showNotify({
required String body,
required String image,
}) async {
final String largeIconPath = await _downloadAndSaveFile(
'https://via.placeholder.com/48x48',
'largeIcon',
);
final String bigPicturePath = await _downloadAndSaveFile(
image,
'bigPicture',
);
await flutterLocalNotificationsPlugin.show(
123,
'New Buisness Sutra Updated',
body,
NotificationDetails(
android: AndroidNotificationDetails(
'big text channel id',
'big text channel name',
ongoing: true,
priority: Priority.max,
largeIcon: FilePathAndroidBitmap(largeIconPath),
channelDescription: 'big text channel description',
styleInformation: BigPictureStyleInformation(
FilePathAndroidBitmap(bigPicturePath),
hideExpandedLargeIcon: false,
contentTitle: 'overridden <b>big</b> content title',
htmlFormatContentTitle: true,
summaryText: 'summary <i>text</i>',
htmlFormatSummaryText: true,
),
),
),
payload: 'data',
);
}
}
I initialized the firebase and notification on my main.dart file
void main() async {
WidgetsFlutterBinding.ensureInitialized();
if (!kIsWeb) {
await Firebase.initializeApp();
firebaseCloudMessagingListeners();
await NotificationService().init();
}
runApp(const MyApp());
}
firebaseCloudMessagingListeners() {
FirebaseMessaging.onBackgroundMessage(_messageHandler);
FirebaseMessaging.onMessage.listen((RemoteMessage message) {
print(message);
_messageHandler(message);
});
FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
print("Message opened");
});
}
Future<void> _messageHandler(RemoteMessage message) async {
Map<String, dynamic> data = message.data;
print(data);
await NotificationService().showNotify(
body: data["body"],
image: data["image"],
);
}
The firebase_messaging plugin works fine. The problem is with the big picture on the notification from flutter_local_notifications.
I download the image by using path_provider and http. also this image succesfully downloaded on my app External storage directory. But not shown on the notification
/storage/emulated/0/Android/data/in.myapp.dhrona/files/largeIcon.png
/storage/emulated/0/Android/data/in.myapp.dhrona/files/bigIcon.png
Any solutions for this issue
To show network image,
final http.Response response = await http.get(Uri.parse(URL));
BigPictureStyleInformation bigPictureStyleInformation =
BigPictureStyleInformation(
ByteArrayAndroidBitmap.fromBase64String(base64Encode(image)),
largeIcon: ByteArrayAndroidBitmap.fromBase64String(base64Encode(image)),
);
flutterLocalNotificationsPlugin.show(
Random().nextInt(1000),
title,
description,
NotificationDetails(
android: AndroidNotificationDetails(channel.id, channel.name,
channelDescription: channel.description,
importance: Importance.high,
styleInformation: bigPictureStyleInformation),
),
);
To show local image,
final String filePath = '${directory.path}/$fileName';
final BigPictureStyleInformation bigPictureStyleInformation =
BigPictureStyleInformation(FilePathAndroidBitmap(filePath),
largeIcon: FilePathAndroidBitmap(filePath));
flutterLocalNotificationsPlugin.show(
Random().nextInt(1000),
title,
description,
NotificationDetails(
android: AndroidNotificationDetails(channel.id, channel.name,
channelDescription: channel.description,
importance: Importance.high,
styleInformation: bigPictureStyleInformation),
),
);
With AwesomeNotifications I don't need to download. I just give the url like below:
Future<void> showNotificationChatMessage(
RemoteMessage message, MyMessage myMessage) async {
final chatId = message.data['chatId'];
NotificationContent? notificationContent;
if (myMessage.type == MyMessageType.text ||
myMessage.replyType == MyMessageReplyType.text) {
notificationContent = NotificationContent(
id: 10,
channelKey: 'basic_channel',
title: message.data['title'].toString(),
body: message.data['body'].toString(),
payload: {'chatId': chatId.toString()});
} else if (myMessage.type == MyMessageType.image ||
myMessage.replyType == MyMessageReplyType.image) {
notificationContent = NotificationContent(
id: 11,
channelKey: 'big_picture',
title: message.data['title'].toString(),
body: 'Image',
bigPicture: myMessage.message,
showWhen: true,
displayOnBackground: true,
payload: {'chatId': chatId.toString()},
notificationLayout: NotificationLayout.BigPicture);
}
if (notificationContent != null) {
AwesomeNotifications().createNotification(content: notificationContent);
}
}
Although the answer by #Vignesh works, here are some improvements to that answer:
response is not used in the example
there is no need to set the "largeIcon" property with the same image data as the big image because it will show the same image two times in the notification when the notification is expanded.
the final answer should look like this:
final http.Response response = await http.get(Uri.parse(imageUrl));
bigPictureStyleInformation = BigPictureStyleInformation(
ByteArrayAndroidBitmap.fromBase64String(base64Encode(response.bodyBytes)));
flutterLocalNotificationsPlugin.show(
notification.hashCode,
notification.title ?? 'APP_NAME',
notification.body,
NotificationDetails(
android: AndroidNotificationDetails(
channel.id,
channel.name,
channelDescription: channel.description,
styleInformation: bigPictureStyleInformation,
// other properties...
),
)
);

How to display multiple notifications using flutter plugin : flutter_local_notifications

Here is my code below :
const AndroidNotificationChannel notificationChannel = AndroidNotificationChannel(
'high_importance_channel',
'high importance Notificaion',
'this channel is used for import notification',
importance: Importance.high,
playSound: true,
);
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
Future<void> firebaseBackgroundMessageHandler(RemoteMessage message) async {
await firebaseMessageHandler(message);
}
Future<void> firebaseForegroundMessageHandler(RemoteMessage message) async {
await firebaseMessageHandler(message);
}
Future<void> firebaseMessageHandler(RemoteMessage message) async {
await Firebase.initializeApp();
try {
flutterLocalNotificationsPlugin.show(
message.notification.hashCode,
message.data["title"].toString(),
message.data["body"].toString(),
NotificationDetails(
android: AndroidNotificationDetails(notificationChannel.id, notificationChannel.name, notificationChannel.description),
));
} catch (_err) {}
}
Future<void> main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
FirebaseMessaging.onBackgroundMessage(firebaseBackgroundMessageHandler);
FirebaseMessaging.onMessage.listen(firebaseForegroundMessageHandler);
//FirebaseMessaging.onMessageOpenedApp.listen(firebaseMessageHandler);
final AndroidInitializationSettings initializationSettingsAndroid = AndroidInitializationSettings('e_app');
final InitializationSettings initializationSettings = InitializationSettings(android: initializationSettingsAndroid);
await flutterLocalNotificationsPlugin.initialize(initializationSettings);
await flutterLocalNotificationsPlugin.resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()?.createNotificationChannel(notificationChannel);
await FirebaseMessaging.instance.setForegroundNotificationPresentationOptions(alert: true, badge: true, sound: true);
}
The code is working fine for a single notification but whenever I send multiple notifications to android, it shows only the last notification in the status bar.
Could anyone help me about
how to show multiple notifications in the status bar using the flutter local notification plugin?
If you want to group your notifications, there is an option to do that in flutter_local_notifications.
To do this, you can add the following in your code
for ios : threadIdentifier in IOSNotificationDetails
for android : groupChannelId, groupChannelName, groupChannelDescription,
You can find these in the docs here: https://pub.dev/packages/flutter_local_notifications#displaying-a-notification under 'Grouping notifications'.
Basically notifications under same threadId or groupId will all be grouped and shown

How can I use a parameter from sharedPreferences in workmanager in Flutter?

I am trying to send a notification based on parameter saved the user saves on sharedPreferences and is added to the url to make the call. The notification is working if I write the savedCity but when I try to get from sharedPreferences it fails. How can I make this work?
void callbackDispatcher() {
Workmanager.executeTask((task, inputData) async {
String savedCity = "";
// final prefs = await SharedPreferences.getInstance();
// savedCity = prefs.getString('defaultCity') ?? "";
if (task == 'uniqueKey') {
var response = await http.get(Uri.parse('http://api.openweathermap.org/data/2.5/weather?q=$savedCity&units=metric&appid=$API_KEY'));
Weather dataComingFromTheServer = Weather.fromJson(json.decode(response.body));
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
const AndroidNotificationDetails androidPlatformChannelSpecifics =
AndroidNotificationDetails('your channel id', 'your channel name',
'your channel description',
importance: Importance.max,
priority: Priority.high,
showWhen: false);
const NotificationDetails platformChannelSpecifics =
NotificationDetails(android: androidPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin.show(
0,
dataComingFromTheServer.name,
'${dataComingFromTheServer.weather[0].description} ${dataComingFromTheServer.main.tempMin}ºC - ${dataComingFromTheServer.main.tempMax}ºC',
platformChannelSpecifics,
payload: 'item x');
}
return Future.value(true);
});
}
void main() async {
WidgetsFlutterBinding.ensureInitialized();
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
const AndroidInitializationSettings initializationSettingsAndroid =
AndroidInitializationSettings(
'#mipmap/ic_launcher');
final IOSInitializationSettings initializationSettingsIOS =
IOSInitializationSettings();
final MacOSInitializationSettings initializationSettingsMacOS =
MacOSInitializationSettings();
final InitializationSettings initializationSettings = InitializationSettings(
android: initializationSettingsAndroid,
iOS: initializationSettingsIOS,
macOS: initializationSettingsMacOS);
await flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: selectNotification);
Workmanager.initialize(
callbackDispatcher,
isInDebugMode:
true);
Workmanager.registerPeriodicTask(
"1",
"uniqueKey",
frequency: Duration(minutes: 15),
);
runApp(MyApp());
}
void setPreference(String cityName) async {
final prefs = await SharedPreferences.getInstance();
prefs.setString('defaultCity', cityName);
}

Flutter- FCM with Local notification and alert

This is first time I am testing FCM with Flutter. I checked some of the SO questions and documents from GitHub.
I am able to send the notifications and they are getting delivered when the app is not running.
If app is running or in the background then messages are not visible.
I have added the code in main.dart file but not sure this is the correct way or not.
Edit:
This is for onResume:
{notification: {}, data: {badge: 1, collapse_key: com.HT, google.original_priority: high, google.sent_time: 1623238, google.delivered_priority: high, sound: default, google.ttl: 2419200, from: 71374876, body: Body, title: Title, click_action: FLUTTER_NOTIFICATION_CLICK, google.message_id: 0:50a56}}
In the Below code, i am trying to use local notifications with FCM.
class MyApp extends StatefulWidget {
#override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
new FlutterLocalNotificationsPlugin();
#override
void initState() {
var initializationSettingsAndroid =
new AndroidInitializationSettings('#mipmap/ic_launcher');
var initializationSettingsIOS = new IOSInitializationSettings();
var initializationSettings = new InitializationSettings(
android: initializationSettingsAndroid, iOS: initializationSettingsIOS);
flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
_firebaseMessaging.configure(
onMessage: (Map<String, dynamic> message) async {
showNotification(
message['notification']['title'], message['notification']['body']);
print("onMessage: $message");
},
onLaunch: (Map<String, dynamic> message) async {
print("onLaunch: $message");
// Navigator.pushNamed(context, '/notify');
ExtendedNavigator.of(context).push(
Routes.bookingQRScan,
);
},
onResume: (Map<String, dynamic> message) async {
print("onResume: $message");
},
);
}
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primarySwatch: Colors.blue,
),
debugShowCheckedModeBanner: false,
home: AnimatedSplashScreen(), //SplashScreen()
builder: ExtendedNavigator.builder<a.Router>(router: a.Router()),
);
}
Future onSelectNotification(String payload) async {
showDialog(
context: context,
builder: (_) {
return new AlertDialog(
title: Text("PayLoad"),
content: Text("Payload : $payload"),
);
},
);
}
void showNotification(String title, String body) async {
await _demoNotification(title, body);
}
Future<void> _demoNotification(String title, String body) async {
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'channel_ID', 'channel name', 'channel description',
importance: Importance.max,
playSound: false, //true,
//sound: 'sound',
showProgress: true,
priority: Priority.high,
ticker: 'test ticker');
//var iOSChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics =
NotificationDetails(android: androidPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin
.show(0, title, body, platformChannelSpecifics, payload: 'test');
}
}
Error
This is when my app is running on foreground. E/FlutterFcmService(14434): Fatal: failed to find callback
W/FirebaseMessaging(14434): Missing Default Notification Channel metadata in AndroidManifest. Default value will be used.
W/ConnectionTracker(14434): Exception thrown while unbinding
W/ConnectionTracker(14434): java.lang.IllegalArgumentException: Service not registered: lu#fb04880
Notification is visible in notification center. Now i am clicking on it and app get terminated.
and new instance of app is running and below is the return code. I/flutter (14434): onResume: {notification: {}, data: {badge: 1, collapse_key: com.HT, google.original_priority: high, google.sent_time: 1607733798, google.delivered_priority: high, sound: default, google.ttl: 2419200, from: 774876, body: Body, title: Title, click_action: FLUTTER_NOTIFICATION_CLICK, google.message_id: 0:1607573733816296%850a56}}
E/FlutterFcmService(14434): Fatal: failed to find callback
W/ConnectionTracker(14434): Exception thrown while unbinding
Edit 2:
I did more digging and come up with the below code.
final FirebaseMessaging _fcm = FirebaseMessaging();
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
var initializationSettingsAndroid;
var initializationSettingsIOS;
var initializationSettings;
void _showNotification() async {
//await _buildNotification();
}
Future<dynamic> myBackgroundMessageHandler(Map<String, dynamic> message) {
if (message.containsKey('data')) {
// Handle data message
final dynamic data = message['data'];
}
if (message.containsKey('notification')) {
// Handle notification message
final dynamic notification = message['notification'];
}
// Or do other work.
}
Future<void> _createNotificationChannel(
String id, String name, String description) async {
final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
var androidNotificationChannel = AndroidNotificationChannel(
id,
name,
description,
importance: Importance.max,
playSound: true,
// sound: RawResourceAndroidNotificationSound('not_kiddin'),
enableVibration: true,
);
await flutterLocalNotificationsPlugin
.resolvePlatformSpecificImplementation<
AndroidFlutterLocalNotificationsPlugin>()
?.createNotificationChannel(androidNotificationChannel);
}
Future<void> _buildNotification(String title, String body) async {
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'my_channel', 'Channel Name', 'Channel Description.',
importance: Importance.max,
priority: Priority.high,
// playSound: true,
enableVibration: true,
// sound: RawResourceAndroidNotificationSound('not_kiddin'),
ticker: 'noorderlicht');
//var iOSChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics =
NotificationDetails(android: androidPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin
.show(0, title, body, platformChannelSpecifics, payload: 'payload');
}
#override
void initState() {
super.initState();
initializationSettingsAndroid =
AndroidInitializationSettings('#mipmap/ic_launcher');
initializationSettingsIOS = IOSInitializationSettings(
onDidReceiveLocalNotification: onDidReceiveLocalNotification);
initializationSettings =
InitializationSettings(android: initializationSettingsAndroid);
// initializationSettingsAndroid, initializationSettingsIOS);
_fcm.requestNotificationPermissions();
_fcm.configure(
onMessage: (Map<String, dynamic> message) async {
print(message);
flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
//_showNotification();
Map.from(message).map((key, value) {
print(key);
print(value);
print(value['title']);
_buildNotification(value['title'], value['body']);
});
},
onLaunch: (Map<String, dynamic> message) async {
print("onLaunch: $message");
},
onResume: (Map<String, dynamic> message) async {
print("onResume: $message");
print(message['data']['title']);
//AlertDialog(title: message['data']['title']);
ExtendedNavigator.of(context).push(
Routes.bookingQRScan,
);
//_showNotification();
},
);
}
Future onDidReceiveLocalNotification(
int id, String title, String body, String payload) async {
// display a dialog with the notification details, tap ok to go to another page
showDialog(
context: context,
builder: (BuildContext context) => CupertinoAlertDialog(
title: Text(title),
content: Text(body),
actions: [
CupertinoDialogAction(
isDefaultAction: true,
child: Text('Ok'),
onPressed: () {},
)
],
),
);
}
Future onSelectNotification(String payload) async {
if (payload != null) {
debugPrint('Notification payload: $payload');
}
}
#override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primarySwatch: Colors.blue,
),
debugShowCheckedModeBanner: false,
home: AnimatedSplashScreen(), //SplashScreen()
builder: ExtendedNavigator.builder<a.Router>(router: a.Router()),
);
}
With above code i can see notifications in notification bar but onresume section i want to redirection that is not working. Not sure why.
Also I want to show alert box in onmeesage and onresume events.
Your payload must be correct, notification and data object inside the payload must contain the title and body key. you will get title and body null when your app is closed in notification key in that situation you should have title and body in the side data key.
{notification: {title: title, body: test}, data: {notification_type: Welcome, body: body, badge: 1, sound: , title: farhana mam, click_action: FLUTTER_NOTIFICATION_CLICK, message: H R U, category_id: 2, product_id: 1, img_url: }}
and don't put title and body null
void showNotification(Map<String, dynamic> msg) async {
//{notification: {title: title, body: test}, data: {notification_type: Welcome, body: body, badge: 1, sound: , title: farhana mam, click_action: FLUTTER_NOTIFICATION_CLICK, message: H R U, category_id: 2, product_id: 1, img_url: }}
print(msg);
print(msg['data']['title']);
var title = msg['data']['title'];
var msge = msg['data']['body'];
var android = new AndroidNotificationDetails(
'channel id', 'channel NAME', 'CHANNEL DESCRIPTION',
priority: Priority.High, importance: Importance.Max);
var iOS = new IOSNotificationDetails();
var platform = new NotificationDetails(android, iOS);
await flutterLocalNotificationsPlugin.show(0, title, msge, platform,
payload: msge);
}
for redirection
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin();
var android = new AndroidInitializationSettings('#mipmap/ic_launcher');
var iOS = new IOSInitializationSettings();
var initSetttings = new InitializationSettings(android, iOS);
flutterLocalNotificationsPlugin.initialize(initSetttings, onSelectNotification: onSelectNotification);
firebaseCloudMessaging_Listeners();
Future onSelectNotification(String payload) async {
if (payload != null) {
debugPrint('notification payload:------ ${payload}');
await Navigator.push(
context,
new MaterialPageRoute(builder: (context) => NotificationListing()),
).then((value) {});
}
}
in 'onSelectNotification' you can pass your condition in string parama and you can redirect
(optional, but recommended) If want to be notified in your app (via onResume and onLaunch, see below) when the user clicks on a notification in the system tray include the following intent-filter within the tag of your android/app/src/main/AndroidManifest.xml:
Looking at your (last edited) code above, I think first you have to make sure, whether localnotifications is used or the default fcm one. Since your myBackgroundMessageHandler does not do anything, I assume the latter one. Try replacing the title temporarily with a fixed string (e.g. "this is a local one") to make sure.
Secondly, myBackgroundMessageHandler will only be called for data messages. If you use the payload you wrote in the beginning, you should be fine. Anyway make sure to not put title, body, style-information etc directly in the payload. If you need it, put it in the data node.
This is the code I am using:
calling the notificationService init() method in main.dart
notification-service.dart
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:app/models/data-notification.dart';
import 'dart:async';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:http/http.dart' as http;
import 'package:path_provider/path_provider.dart';
import 'dart:io';
FlutterLocalNotificationsPlugin notificationsPlugin =
FlutterLocalNotificationsPlugin();
//Function to handle Notification data in background.
Future<dynamic> backgroundMessageHandler(Map<String, dynamic> message) {
print("FCM backgroundMessageHandler $message");
showNotification(DataNotification.fromPushMessage(message['data']));
return Future<void>.value();
}
//Function to handle Notification Click.
Future<void> onSelectNotification(String payload) {
print("FCM onSelectNotification");
return Future<void>.value();
}
//Function to Parse and Show Notification when app is in foreground
Future<dynamic> onMessage(Map<String, dynamic> message) {
print("FCM onMessage $message");
showNotification(DataNotification.fromPushMessage(message['data']));
return Future<void>.value();
}
//Function to Handle notification click if app is in background
Future<dynamic> onResume(Map<String, dynamic> message) {
print("FCM onResume $message");
return Future<void>.value();
}
//Function to Handle notification click if app is not in foreground neither in background
Future<dynamic> onLaunch(Map<String, dynamic> message) {
print("FCM onLaunch $message");
return Future<void>.value();
}
void showNotification(DataNotification notification) async {
final AndroidNotificationDetails androidPlatformChannelSpecifics =
await getAndroidNotificationDetails(notification);
final NotificationDetails platformChannelSpecifics =
NotificationDetails(android: androidPlatformChannelSpecifics);
await notificationsPlugin.show(
0,
notification.title,
notification.body,
platformChannelSpecifics,
);
}
Future<AndroidNotificationDetails> getAndroidNotificationDetails(
DataNotification notification) async {
switch (notification.notificationType) {
case NotificationType.NEW_INVITATION:
case NotificationType.NEW_MEMBERSHIP:
case NotificationType.NEW_ADMIN_ROLE:
case NotificationType.MEMBERSHIP_BLOCKED:
case NotificationType.MEMBERSHIP_REMOVED:
case NotificationType.NEW_MEMBERSHIP_REQUEST:
return AndroidNotificationDetails(
'organization',
'Organization management',
'Notifications regarding your organizations and memberships.',
importance: Importance.max,
priority: Priority.high,
showWhen: false,
category: "Organization",
icon: 'my_app_icon_simple',
largeIcon: DrawableResourceAndroidBitmap('my_app_icon'),
styleInformation: await getBigPictureStyle(notification),
sound: RawResourceAndroidNotificationSound('slow_spring_board'));
case NotificationType.NONE:
default:
return AndroidNotificationDetails('general', 'General notifications',
'General notifications that are not sorted to any specific topics.',
importance: Importance.max,
priority: Priority.high,
showWhen: false,
category: "General",
icon: 'my_app_icon_simple',
largeIcon: DrawableResourceAndroidBitmap('my_app_icon'),
styleInformation: await getBigPictureStyle(notification),
sound: RawResourceAndroidNotificationSound('slow_spring_board'));
}
}
Future<BigPictureStyleInformation> getBigPictureStyle(
DataNotification notification) async {
if (notification.imageUrl != null) {
print("downloading");
final String bigPicturePath =
await _downloadAndSaveFile(notification.imageUrl, 'bigPicture');
return BigPictureStyleInformation(FilePathAndroidBitmap(bigPicturePath),
hideExpandedLargeIcon: true,
contentTitle: notification.title,
htmlFormatContentTitle: false,
summaryText: notification.body,
htmlFormatSummaryText: false);
} else {
print("NOT downloading");
return null;
}
}
Future<String> _downloadAndSaveFile(String url, String fileName) async {
final Directory directory = await getApplicationDocumentsDirectory();
final String filePath = '${directory.path}/$fileName';
final http.Response response = await http.get(url);
final File file = File(filePath);
await file.writeAsBytes(response.bodyBytes);
return filePath;
}
class NotificationService {
FirebaseMessaging _fcm = FirebaseMessaging();
void init() async {
final AndroidInitializationSettings initializationSettingsAndroid =
AndroidInitializationSettings('app_icon');
final IOSInitializationSettings initializationSettingsIOS =
IOSInitializationSettings();
final InitializationSettings initializationSettings =
InitializationSettings(
android: initializationSettingsAndroid,
iOS: initializationSettingsIOS,
);
await notificationsPlugin.initialize(initializationSettings,
onSelectNotification: (value) => onSelectNotification(value));
_fcm.configure(
onMessage: onMessage,
onBackgroundMessage: backgroundMessageHandler,
onLaunch: onLaunch,
onResume: onResume,
);
}
}
data-notification.dart
import 'package:enum_to_string/enum_to_string.dart';
class DataNotification {
final String id;
final String title;
final String body;
final NotificationType notificationType;
final String imageUrl;
final dynamic data;
final DateTime readAt;
final DateTime createdAt;
final DateTime updatedAt;
DataNotification({
this.id,
this.title,
this.body,
this.notificationType,
this.imageUrl,
this.data,
this.readAt,
this.createdAt,
this.updatedAt,
});
factory DataNotification.fromPushMessage(dynamic data) {
return DataNotification(
id: data['id'],
title: data['title'],
body: data['body'],
notificationType: EnumToString.fromString(
NotificationType.values, data['notification_type']),
imageUrl: data['image_url'] ?? null,
data: data,
readAt: null,
createdAt: null,
updatedAt: null,
);
}
}
enum NotificationType {
NONE,
NEW_INVITATION,
NEW_MEMBERSHIP,
NEW_ADMIN_ROLE,
MEMBERSHIP_BLOCKED,
MEMBERSHIP_REMOVED,
NEW_MEMBERSHIP_REQUEST
}
You can ignore the DataNotification model part, and parse the notification yourself, I just used it for some additional interactions with in the backend.
This works well for me, however, if you want to show an alert for "onSelectNotification" or alike, you need to find a way to get the context there. Not (yet) sure, how to do that.
EDIT:
You can call it like this in main.dart
void main() async {
WidgetsFlutterBinding.ensureInitialized();
NotificationService().init();
runApp(
MyApp()
);
}
Be aware that there is currently an issue with backgroundmessaging and hot-reloading: https://github.com/FirebaseExtended/flutterfire/issues/4316