🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once #7243

pranav-asthi · 2021-10-26T04:25:29Z

FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once for a single notification

darshankawar · 2021-10-26T11:00:53Z

@pranav-asthi
Can you provide flutter doctor -v, a minimal code sample along with pubspec.yaml ?
Also check if this issue is similar to your case #4188

pranav-asthi · 2021-10-26T14:04:11Z

[√] Flutter (Channel stable, 2.5.1, on Microsoft Windows [Version 10.0.19042.1237], locale en-US)
    • Flutter version 2.5.1 at C:\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision ffb2ecea52 (6 weeks ago), 2021-09-17 15:26:33 -0400
    • Engine revision b3af521a05
    • Dart version 2.14.2

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at C:\Users\prana\AppData\Local\Android\sdk
    X cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    X Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[√] Android Studio (version 4.1)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[√] VS Code (version 1.61.2)
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    • Flutter extension version 3.21.0

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    • Edge (web)   • edge   • web-javascript • Microsoft Edge 95.0.1020.30

! Doctor found issues in 1 category.

pubspec.yaml

  google_maps_flutter: ^2.0.8
  intl: ^0.17.0
  package_info: ^2.0.2
  webview_flutter: ^2.0.13
  modal_progress_hud_nsn: ^0.1.0-nullsafety-1
  xml: ^5.3.0
  flutter_image_compress: ^1.1.0
  firebase_core: ^1.7.0
  firebase_messaging: ^10.0.9
  flutter_local_notifications: ^9.0.0

pranav-asthi · 2021-10-26T14:05:40Z

FirebaseMessaging.instance.getInitialMessage().then((_message){
     if(_message!=null)
       {
        // print("Background Notification");
         final route=_message.data["route"];
         navigateTo(route);
       }
   });
   FirebaseMessaging.onMessageOpenedApp.listen((message) {
     if(message.notification!=null && !isNotified)// isNotified doesn't matter
       {
        // print("Terminated Notification $isNotified:${message.notification!.title}");
         final route=message.data["route"];
         navigateTo(route);
        // isNotified=true;
       }
   });
   FirebaseMessaging.onMessage.listen((RemoteMessage message) {
     if(message.notification!=null)
       {
        // print("Foreground Notification :${message.notification!.title}");
         FCM.init(message);
       }
   });

pranav-asthi · 2021-10-26T14:08:24Z

@pranav-asthi Can you provide flutter doctor -v, a minimal code sample along with pubspec.yaml ? Also check if this issue is similar to your case #4188

The issue is some what similar to that of 4188 but the handler is different here

darshankawar · 2021-10-27T12:05:38Z

@pranav-asthi
What state is your app in when onMessageOpenedApp.listen is triggering more than once ? Is it in background or in foreground ?
From your code snippet, is below getting called properly ?

FirebaseMessaging.instance.getInitialMessage().then((_message){
if(_message!=null)
{
// print("Background Notification");
final route=_message.data["route"];
navigateTo(route);
}
});

When you trigger onMessageOpenedApp, it also need to listen to RemoteMessage, does it get called ?

Also, just to confirm, can you try the official plugin example and see if you get same behavior ?

pranav-asthi · 2021-10-27T12:30:00Z

It happens only when the app is in background state. Yes ,the getInitialMessage() working properly .

pranav-asthi · 2021-10-27T12:37:16Z

FirebaseMessaging.onMessageOpenedApp.listen((message) {
     if(message.notification!=null && !isNotified)// isNotified doesn't matter
       {
        // print("Terminated Notification $isNotified:${message.notification!.title}");
         final route=message.data["route"];
         navigateTo(route);
        // isNotified=true;
       }
   });

In this handler, the navigation and printing happens twice

darshankawar · 2021-10-29T11:29:25Z

Thanks for the update. Seeing the same behavior using latest plugin version on stable and master.

stable, master flutter doctor -v

[✓] Flutter (Channel stable, 2.5.3, on Mac OS X 10.15.4 19E2269 darwin-x64,
    locale en-GB)
    • Flutter version 2.5.3 at /Users/dhs/documents/fluttersdk/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 18116933e7 (2 days ago), 2021-10-15 10:46:35 -0700
    • Engine revision d3ea636dc5
    • Dart version 2.14.4

[✓] Android toolchain - develop for Android devices (Android SDK version 30)
    • Android SDK at /Users/dhs/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • ANDROID_HOME = /Users/dhs/Library/Android/sdk
    • Java binary at: /Users/dhs/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/202.7486908/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.    

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.3, Build version 12C33
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Users/dhs/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/202.7486908/Android
      Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build
      1.8.0_242-release-1644-b3-6915495)        

[✓] VS Code (version 1.57.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.21.0

[✓] Connected device (4 available)
    • Darshan's iphone (mobile)  • 21150b119064aecc249dfcfe05e259197461ce23 •
      ios            • iOS 14.4.1 18D61
    • iPhone 12 Pro Max (mobile) • A5473606-0213-4FD8-BA16-553433949729     •
      ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)
    • macOS (desktop)            • macos                                    •
      darwin-x64     • Mac OS X 10.15.4 19E2269 darwin-x64
    • Chrome (web)               • chrome                                   •
      web-javascript • Google Chrome 93.0.4577.82


• No issues found!

[✓] Flutter (Channel master, 2.6.0-12.0.pre.521, on Mac OS X 10.15.4 19E2269
    darwin-x64, locale en-GB)
    • Flutter version 2.6.0-12.0.pre.521 at
      /Users/dhs/documents/fluttersdk/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 6602107bb2 (83 minutes ago), 2021-10-28 20:20:11 -0700
    • Engine revision ddf4bd598e
    • Dart version 2.15.0 (build 2.15.0-262.0.dev)

[✓] Android toolchain - develop for Android devices (Android SDK version 30)
    • Android SDK at /Users/dhs/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • ANDROID_HOME = /Users/dhs/Library/Android/sdk
    • Java binary at: /Users/dhs/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/202.7486908/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.    

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.5.1, Build version 12E507
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Users/dhs/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/202.7486908/Android
      Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build
      1.8.0_242-release-1644-b3-6915495)        

[✓] VS Code (version 1.57.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.21.0

[[✓] Connected device (4 available)
    • Darshan's iphone (mobile)  • 21150b119064aecc249dfcfe05e259197461ce23 •
      ios            • iOS 14.4.1 18D61
    • iPhone 12 Pro Max (mobile) • A5473606-0213-4FD8-BA16-553433949729     •
      ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)
    • macOS (desktop)            • macos                                    •
      darwin-x64     • Mac OS X 10.15.4 19E2269 darwin-x64
    • Chrome (web)               • chrome                                   •
      web-javascript • Google Chrome 93.0.4577.82


• No issues found!

darshankawar · 2021-10-29T11:29:47Z

similar / related : #4188

MagTuxGit · 2021-11-10T06:48:42Z

I don't know if related.
On iOS onMessageOpenedApp called on app start from terminated state.
https://github.com/FirebaseExtended/flutterfire/blob/be65278c2bbf8ed1f628f1a0fb0b0ec83694e965/packages/firebase_messaging/firebase_messaging/ios/Classes/FLTFirebaseMessagingPlugin.m#L322-L336
So both onMessageOpenedApp and getInitialMessage trigger navigation.
https://github.com/FirebaseExtended/flutterfire/blob/be65278c2bbf8ed1f628f1a0fb0b0ec83694e965/packages/firebase_messaging/firebase_messaging/example/lib/main.dart#L135-L142
https://github.com/FirebaseExtended/flutterfire/blob/be65278c2bbf8ed1f628f1a0fb0b0ec83694e965/packages/firebase_messaging/firebase_messaging/example/lib/main.dart#L165-L170

Vov4yk · 2021-11-10T14:25:47Z

Faced the same issue.
Thing is there should be overlapping of getInitialMessage and onMessageOpenedApp stream due documentation. But it happens when app is opened from terminated state.
From messaging.dart:
`
/// Returns a [Stream] that is called when a user presses a notification message displayed
/// via FCM.
///
/// A Stream event will be sent if the app has opened from a background state
/// (not terminated).
///
/// If your app is opened via a notification whilst the app is terminated,
/// see [getInitialMessage].

static Stream get onMessageOpenedApp =>
FirebaseMessagingPlatform.onMessageOpenedApp.stream;

`

vincepunkrock · 2022-01-09T21:27:29Z

I had the same problem, also with FirebaseMessaging.onMessage.listen.

I fixed it by putting the StreamSubscription return by the listen function in a variable. Then, before I call FirebaseMessaging.onMessage.listen, I check if the subscription already has been set, if yes, I don't make the call.

if(_onMessageSub == null) {
_onMessageSub = FirebaseMessaging.onMessage.listen((RemoteMessage message) {
print("Notification received when app is in the foreground");
_handlePushNotificationPayload(message);
});
}

Otherwise, it seems that the call to .listen creates multiple subscriptions and in my case it was triggered up to 6 times.
I'm not sure if it's the right way to go about it, but it seems to solve the problem. Maybe the example on pub.dev should be updated?

abigotado · 2022-06-17T10:42:42Z

I had the same problem, also with FirebaseMessaging.onMessage.listen.

I fixed it by putting the StreamSubscription return by the listen function in a variable. Then, before I call FirebaseMessaging.onMessage.listen, I check if the subscription already has been set, if yes, I don't make the call.

if(_onMessageSub == null) { _onMessageSub = FirebaseMessaging.onMessage.listen((RemoteMessage message) { print("Notification received when app is in the foreground"); _handlePushNotificationPayload(message); }); }

Otherwise, it seems that the call to .listen creates multiple subscriptions and in my case it was triggered up to 6 times. I'm not sure if it's the right way to go about it, but it seems to solve the problem. Maybe the example on pub.dev should be updated?

@vincepunkrock Could you please share a bit more code? Does the subscription prevent multiple calls?

Bhagat8533 · 2022-07-25T01:27:30Z

@abigotado Here how I have fixed this issue for me

 if(messageListenerStream==null)
    {
      messageListenerStream = FirebaseMessaging.onMessage.listen((RemoteMessage message) {
             handlePayload(message);
           });
    }
    else {
      messageListenerStream!.onData((RemoteMessage? message) {
         handlePayload(message);
      });
    }

abigotado · 2022-07-25T05:46:14Z

@Bhagat8533 Thank you very much!

russellwheatley · 2022-08-22T14:16:49Z

Hey @pranav-asthi, which platform are you experiencing this on?

pranav-asthi · 2022-08-29T11:36:41Z

i fixed it a long time ago and i forgot to close this issue

pranav-asthi added Needs Attention This issue needs maintainer attention. type: bug Something isn't working labels Oct 26, 2021

darshankawar added the triage Issue is currently being triaged. label Oct 26, 2021

darshankawar added blocked: customer-response Waiting for customer response, e.g. more information was requested. and removed Needs Attention This issue needs maintainer attention. labels Oct 26, 2021

google-oss-bot added Needs Attention This issue needs maintainer attention. and removed blocked: customer-response Waiting for customer response, e.g. more information was requested. labels Oct 26, 2021

benha0898 mentioned this issue Oct 27, 2021

🐛 [FIREBASE_MESSAGING] "Received an invalid notification content" error when clicking on notification (iOS) #7249

Closed

darshankawar added blocked: customer-response Waiting for customer response, e.g. more information was requested. and removed Needs Attention This issue needs maintainer attention. labels Oct 27, 2021

google-oss-bot added Needs Attention This issue needs maintainer attention. and removed blocked: customer-response Waiting for customer response, e.g. more information was requested. labels Oct 27, 2021

darshankawar added plugin: messaging and removed Needs Attention This issue needs maintainer attention. triage Issue is currently being triaged. labels Oct 29, 2021

darshankawar changed the title ~~🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){}~~ 🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once Nov 17, 2021

russellwheatley self-assigned this Nov 19, 2021

russellwheatley mentioned this issue Dec 16, 2021

fix(firebase_messaging): getInitialMessage returns notification once & only if pressed for iOS. #7634

Merged

10 tasks

darshankawar mentioned this issue Jan 27, 2022

🐛 [firebase_messaging] duplicate push notification on iOS in release mode only #7955

Closed

srihariash999 mentioned this issue Jun 6, 2022

🐛 [Firebase_messaging] onMessage is called twice on android #8841

Closed

darshankawar mentioned this issue Jun 8, 2022

🐛 FirebaseMessaging: onMessageOpenedApp is not working on ios #8857

Closed

darshankawar mentioned this issue Jul 28, 2022

🐛 [firebase_messaging] On Android onMessageOpenedApp not triggered when tap on push notification in example #9211

Closed

pranav-asthi closed this as completed Aug 29, 2022

darshankawar added the resolution: user This was a user issue, e.g. invalid configuration or code. label Aug 30, 2022

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🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once #7243

🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once #7243

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pranav-asthi commented Aug 29, 2022

🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once #7243

🐛 [firebase_messaging] FirebaseMessaging.onMessageOpenedApp.listen((message){} triggering more than once #7243

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