[firebase_messaging] PluginRegistrantCallback is not set on Android #2077

creativecreatorormaybenot · 2020-02-27T20:00:33Z

Fatal Exception: java.lang.RuntimeException
Unable to create service io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService: 
java.lang.RuntimeException: PluginRegistrantCallback is not set.

This is caused by:

Caused by java.lang.RuntimeException: PluginRegistrantCallback is not set.
       at io.flutter.plugins.firebasemessaging.
FlutterFirebaseMessagingService.executeDartCallbackInBackgroundIsolate(FlutterFirebaseMessagingService.java)
       at io.flutter.plugins.firebasemessaging.
FlutterFirebaseMessagingService.onCreate(FlutterFirebaseMessagingService.java)

This happens on Android when running a Flutter app built with firebase_messaging: 6.0.9 and Flutter 1.15.4-pre.199.

This also happens every time calling FirebaseMessaging.configure in the Flutter app when running on Android:

PlatformException(error, PluginRegistrantCallback is not set., null)
  StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:569:7)
  MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:156:18)
<asynchronous suspension>
  MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:329:12)
  FirebaseMessaging.configure (package:firebase_messaging/firebase_messaging.dart:130:16)

The text was updated successfully, but these errors were encountered:

ClevercodeTech · 2020-03-03T16:59:16Z

exact same issue. the error appears when using background notification.

``` `E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): Failed to handle method call E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): java.lang.RuntimeException: PluginRegistrantCallback is not set. E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService.startBackgroundIsolate(FlutterFirebaseMessagingService.java:157) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin.onMethodCall(FirebaseMessagingPlugin.java:176) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:231) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:93) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:642) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at android.os.MessageQueue.nativePollOnce(Native Method) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at android.os.MessageQueue.next(MessageQueue.java:326) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at android.os.Looper.loop(Looper.java:160) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at android.app.ActivityThread.main(ActivityThread.java:6669) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at java.lang.reflect.Method.invoke(Native Method) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) E/MethodChannel#plugins.flutter.io/firebase_messaging(12720): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

I/mattuvandi.use(12720): Background concurrent copying GC freed 18711(1011KB) AllocSpace objects, 12(304KB) LOS objects, 50% free, 2MB/4MB, paused 11.526ms total 155.904ms

E/flutter (12720): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: PlatformException(error, PluginRegistrantCallback is not set., null)
E/flutter (12720): #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:569:7)
E/flutter (12720): #1 E/flutter (12720):
E/flutter (12720): #2 E/flutter (12720): #3 E/flutter (12720): #4 E/flutter (12720): #5 E/flutter (12720): #6 E/flutter (12720): #7 E/flutter (12720): #8 E/flutter (12720): #9 E/flutter (12720): #10 E/flutter (12720): #11 E/flutter (12720): #12 E/flutter (12720): #13 E/flutter (12720): #14 E/flutter (12720): #15 E/flutter (12720): #16 E/flutter (12720): #17 E/flutter (12720): #18 E/flutter (12720): #19 E/flutter (12720): #20 E/flutter (12720): #21 E/flutter (12720): #22 E/flutter (12720): #23 E/flutter (12720): #24 E/flutter (12720): #25 E/flutter (12720): #26 E/flutter (12720): #27 E/flutter (12720): #28 E/flutter (12720): #29 E/flutter (12720): #30 E/flutter (12720): #31 E/flutter (12720): #32 E/flutter (12720): #33 E/flutter (12720): #34 E/flutter (12720): #35 E/flutter (12720): #36 E/flutter (12720): #37 E/flutter (12720): #38 E/flutter (12720): #39 E/flutter (12720): #40 E/flutter (12720): #41 E/flutter (12720): #42 E/flutter (12720): #43 E/flutter (12720): #44 E/flutter (12720): #45 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:321:33)
FirebaseMessaging.configure (package:firebase_messaging/firebase_messaging.dart:130:16)
firebaseNotification (package:Mattuvandi/app_screens/home/Home.dart:432:27)
_HomeState.build (package:Mattuvandi/app_screens/home/Home.dart:48:7)
StatefulElement.build (package:flutter/src/widgets/framework.dart:4334:27)
ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4223:15)
Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5)
ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5)
StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11)
ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16)
Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5)
ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5)
ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16)
Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5)
ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5)
StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11)
ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16)
Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5)
ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5)
StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11)
Com`

</details>

azabazay · 2020-03-10T12:42:33Z

same issue, is there any solution yet?

h0x539 · 2020-03-15T18:06:35Z

Application.java replace:

public class Application extends FlutterApplication implements PluginRegistrantCallback {
  @Override
  public void onCreate() {
    super.onCreate();
    FlutterFirebaseMessagingService.setPluginRegistrant(this);
  }

  @Override
  public void registerWith(PluginRegistry registry) {
    GeneratedPluginRegistrant.registerWith(registry);
  }
}

Application.java with:

import io.flutter.app.FlutterApplication;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
import io.flutter.plugins.GeneratedPluginRegistrant;
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService;
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin;

public class Application extends FlutterApplication implements PluginRegistrantCallback {

    @Override
    @CallSuper
    public void onCreate() {
        super.onCreate();
        FlutterFirebaseMessagingService.setPluginRegistrant(this);
    }

    @Override
    public void registerWith(PluginRegistry pluginRegistry) {
        FirebaseMessagingPlugin.registerWith(pluginRegistry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
    }
}

ClevercodeTech · 2020-03-16T05:25:45Z

I run in to error while using @callsuper. As per android document it is deprecated.
with your suggested code i get same error.

manifest.xml:

`

<!-- io.flutter.app.FlutterApplication is an android.app.Application that
     calls FlutterMain.startInitialization(this); in its onCreate method.
     In most cases you can leave this as-is, but you if you want to provide
     additional functionality it is fine to subclass or reimplement
     FlutterApplication and put your custom class here. -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />       
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

<application
    android:name="io.flutter.app.FlutterApplication"
    android:label="Mattuvandi"
    android:icon="@mipmap/ic_launcher">
 
     <meta-data android:name="com.google.android.geo.API_KEY"
           android:value="*************************************"/>               
    <activity
        android:name=".MainActivity"
        android:launchMode="singleTop"
        android:theme="@style/LaunchTheme"
        android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
        android:hardwareAccelerated="true"
        android:windowSoftInputMode="adjustResize">
        <!-- This keeps the window background of the activity showing
             until Flutter renders its first frame. It can be removed if
             there is no splash screen (such as the default splash screen
             defined in @style/LaunchTheme). -->
        <meta-data
            android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
            android:value="true" />
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
          <intent-filter>
            <action android:name="FLUTTER_NOTIFICATION_CLICK" />
            <category android:name="android.intent.category.DEFAULT" />
          </intent-filter>
    </activity>    
     <activity android:name=".Application"
              android:launchMode="singleTop"
              android:theme="@android:style/Theme.Black.NoTitleBar"
              android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
              android:hardwareAccelerated="true"
              android:windowSoftInputMode="adjustResize">
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>     
</application>

`

Mainactivity.Java

import android.os.Bundle;
import io.flutter.app.FlutterActivity;
import io.flutter.plugins.GeneratedPluginRegistrant;

public class MainActivity extends FlutterActivity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    GeneratedPluginRegistrant.registerWith(this); //auto generated?
  }
}

Application.java

```` package com.mattuvandi.user; import android.os.Bundle; import io.flutter.app.FlutterApplication; import io.flutter.app.FlutterActivity; import io.flutter.plugin.common.PluginRegistry; import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback; import io.flutter.plugins.GeneratedPluginRegistrant; import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService; import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin;

public class Application extends FlutterApplication implements PluginRegistrantCallback {
@OverRide
// @callsuper
public void onCreate() {
super.onCreate();
FlutterFirebaseMessagingService.setPluginRegistrant(this);
}

@OverRide
public void registerWith(PluginRegistry pluginRegistry) {
FirebaseMessagingPlugin.registerWith(pluginRegistry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
}
}````

Error:

````E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): Failed to handle method call E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): java.lang.RuntimeException: PluginRegistrantCallback is not set. E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService.startBackgroundIsolate(FlutterFirebaseMessagingService.java:157) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin.onMethodCall(FirebaseMessagingPlugin.java:176) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:231) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:93) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:642) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at android.os.MessageQueue.nativePollOnce(Native Method) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at android.os.MessageQueue.next(MessageQueue.java:326) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at android.os.Looper.loop(Looper.java:160) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at android.app.ActivityThread.main(ActivityThread.java:6669) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at java.lang.reflect.Method.invoke(Native Method) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) E/MethodChannel#plugins.flutter.io/firebase_messaging(14771): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) I/flutter (14771): Login Status true I/mattuvandi.use(14771): Background concurrent copying GC freed 12428(1431KB) AllocSpace objects, 23(684KB) LOS objects, 49% free, 2024KB/3MB, paused 1.106ms total 237.579ms E/flutter (14771): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: PlatformException(error, PluginRegistrantCallback is not set., null) E/flutter (14771): #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:569:7) E/flutter (14771): #1 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:321:33) E/flutter (14771): E/flutter (14771): #2 FirebaseMessaging.configure (package:firebase_messaging/firebase_messaging.dart:130:16) E/flutter (14771): #3 firebaseNotification (package:Mattuvandi/app_screens/home/Home.dart:432:27) E/flutter (14771): #4 _HomeState.build (package:Mattuvandi/app_screens/home/Home.dart:48:7) E/flutter (14771): #5 StatefulElement.build (package:flutter/src/widgets/framework.dart:4334:27) E/flutter (14771): #6 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4223:15) E/flutter (14771): #7 Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5) E/flutter (14771): #8 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5) E/flutter (14771): #9 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11) E/flutter (14771): #10 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5) E/flutter (14771): #11 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #12 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #13 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14) E/flutter (14771): #14 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #15 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #16 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16) E/flutter (14771): #17 Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5) E/flutter (14771): #18 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5) E/flutter (14771): #19 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5) E/flutter (14771): #20 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #21 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #22 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14) E/flutter (14771): #23 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #24 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #25 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14) E/flutter (14771): #26 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #27 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #28 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16) E/flutter (14771): #29 Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5) E/flutter (14771): #30 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5) E/flutter (14771): #31 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11) E/flutter (14771): #32 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5) E/flutter (14771): #33 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #34 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #35 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14) E/flutter (14771): #36 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #37 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #38 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14) E/flutter (14771): #39 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14) E/flutter (14771): #40 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12) E/flutter (14771): #41 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4243:16) E/flutter (14771): #42 Element.rebuild (package:flutter/src/widgets/framework.dart:3947:5) E/flutter (14771): #43 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4206:5) E/flutter (14771): #44 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4381:11) ````

creativecreatorormaybenot · 2020-03-16T08:48:01Z

@ClevercodeTech @h0x539 Could you maybe wrap your code into a <details> </details> to make this thread more readable?

ClevercodeTech · 2020-03-16T08:53:48Z

@ClevercodeTech @h0x539 Could you maybe wrap your code into a <details> </details> to make this thread more readable?

thanks for the suggestion. Updated as per your suggestion.

h0x539 · 2020-03-27T13:32:10Z

@ClevercodeTech

Try to make a standalone build of the android module.

Android Studio -> right click on android package -> Flutter -> Open Android module in Android Studio

Flutter Android module in Android Studio -> Terminal -> ./gradlew clean && ./gradlew build

ClevercodeTech · 2020-03-28T17:03:25Z

Resolved the issue. Flutter instruction was not clear or i didn't get what they were saying.
i changed the following line in the beginning of my manifest.xml:

~~android:name="io.flutter.app.FlutterApplication"~~

to

android:name=".Application"

kalibu · 2020-03-31T19:22:06Z

I did it and the error is out, but it is not calling the onBackgroundMessage anymore.

helenaford · 2020-04-20T14:24:19Z

Closing this issue because it looks like it's resolved.

@kalibu if you are still experiencing issues calling the onBackgroundMessage with the latest version of Flutter and FlutterFire plugin, can you please provide your updated flutter doctor -v
and your flutter run --verbose/flutter build --verbose ?
Also, to better address the issue, would be helpful
if you could post a self contained app on github
or the steps to reproduce it.
Thank you

creativecreatorormaybenot · 2020-04-20T14:27:08Z

@helenaford

This has not been resolved at all.
Hint: there has not been an update to the plugin (on Android) since I opened this issue. I only replaced one deprecated method that had nothing to do with this, so basically there has not been an update since I opened the issue..

helenaford · 2020-04-20T14:28:42Z

@creativecreatorormaybenot did you try the solution provided by @ClevercodeTech ?

creativecreatorormaybenot · 2020-04-20T14:33:28Z

@helenaford That "solution" only makes the error message go away and does not fix the underlying problem (the plugin is broken on Android, see #2017 for a start; there are way more issues for background messages).

The plugin would at least need to address this somewhere. Even if the underlying problem is not fixed immediately, the README section and more would need to be updated.

ClevercodeTech · 2020-04-20T17:54:50Z

@helenaford That "solution" only makes the error message go away and does not fix the underlying problem (the plugin is broken on Android, see #2017 for a start; there are way more issues for background messages).

The plugin would at least need to address this somewhere. Even if the underlying problem is not fixed immediately, the README section and more would need to be updated.

Background message works for me.

you need to add a static method to capture the incoming message from firebase server. Below is a sample code

static Future<dynamic> myBackgroundMessageHandler(Map<String, dynamic> message) async { print(message); return Future<void>.value(); }

below is the detailed code

 import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:flutter/material.dart';
final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();

class FirebaseClass {

 firebaseNotification(context,topic ) {
   var platform = Theme.of(context).platform;
   final requestServer = RequestServer();
   print("firebaseinitiated");
   _firebaseMessaging.subscribeToTopic(topic);
   _firebaseMessaging.configure(
     onMessage: (Map<String, dynamic> message) async {
       print("onMessage: $message");
     },
     onBackgroundMessage: platform == TargetPlatform.iOS ? null : myBackgroundMessageHandler,
     onLaunch: (Map<String, dynamic> message) async {
       print("onLaunch: $message");
     },
     onResume: (Map<String, dynamic> message) async {
       print("onResume: $message");
     },
   );
   if (platform == TargetPlatform.iOS) {
     _firebaseMessaging
         .requestNotificationPermissions(const IosNotificationSettings(sound: true, badge: true, alert: true));
     _firebaseMessaging.onIosSettingsRegistered.listen((IosNotificationSettings settings) {
       print("Settings registered: $settings");
     });
   }
   _firebaseMessaging.getToken().then((String token) {
     assert(token != null);
  //setting fire base toke in own server this is needed to message from your server
// requestServer is a custom class to connect with my server
     requestServer.requestServer("SetFirebaseToken", context).then((e) {
       e == 1 ? print("Push Messaging token: $token") : print("errror sending data to server");
     });
   });

 }

 notification() async {
   FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin();
   var initializationSettingsAndroid = new AndroidInitializationSettings('logo');
   var initializationSettingsIOS = new IOSInitializationSettings();
   var initializationSettings = new InitializationSettings(initializationSettingsAndroid, initializationSettingsIOS);
   flutterLocalNotificationsPlugin.initialize(
     initializationSettings, 
   );
   var androidPlatformChannelSpecifics = AndroidNotificationDetails(
       'your channel id', 'your channel name', 'your channel description',
       importance: Importance.Max, priority: Priority.High, ticker: 'ticker');
   var iOSPlatformChannelSpecifics = IOSNotificationDetails();
   var platformChannelSpecifics = NotificationDetails(androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
   await flutterLocalNotificationsPlugin.show(0, 'plain title', 'plain body', platformChannelSpecifics,
       payload: 'item x');
 }

 static Future<dynamic> myBackgroundMessageHandler(Map<String, dynamic> message) async {
   print(message);
   return Future<void>.value();
 }

}

creativecreatorormaybenot · 2020-04-20T18:03:02Z

@ClevercodeTech

If that works with all versions (Flutter beta + master too), then I suppose that would be a solution.
Still, the issue should remain open until this is at least integrated into the README.

demon-zhonglin · 2020-04-24T06:17:11Z

@ClevercodeTech Can you provide detailed instructions?

ClevercodeTech · 2020-04-24T12:17:40Z

@ClevercodeTech Can you provide detailed instructions?

Please follow the instruction as shown in the following link
https://pub.dev/packages/firebase_messaging

for receiving background message.
importantly you need to change your android manifest.

usually flutter application starts like this

<application
    android:name="io.flutter.app.FlutterApplication"

you need to change the name to below

<application android:name=".Application" ...>

.Application refers to Application.java. Which contains below.
package com.mattuvandi.user is my application. This should be changed to yours. e.g

package com.domain.application

package com.mattuvandi.user; 
import android.os.Bundle; 
import io.flutter.app.FlutterApplication; 
import io.flutter.app.FlutterActivity;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
import io.flutter.plugins.GeneratedPluginRegistrant;
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService;
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin;

public class Application extends FlutterApplication implements PluginRegistrantCallback {
@override
public void onCreate() {
super.onCreate();
FlutterFirebaseMessagingService.setPluginRegistrant(this);
}

@override
public void registerWith(PluginRegistry pluginRegistry) {
FirebaseMessagingPlugin.registerWith(pluginRegistry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
}
}

lexdevel · 2020-04-27T12:09:50Z

Doesn't work for me. Tried to switch branch from stable to master, didn't help.

ClevercodeTech · 2020-04-29T07:01:09Z

Doesn't work for me. Tried to switch branch from stable to master, didn't help.

could you please post your code.

lexdevel · 2020-04-29T07:45:27Z

Sure.

// Application.kt

class Application : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
    override fun onCreate() {
        super.onCreate()
        FlutterFirebaseMessagingService.setPluginRegistrant(this);
        // ...
    }

    override fun registerWith(registry: PluginRegistry?) {
        FirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"))
        // ...
    }
}

// AndroidManifest.xml

<application
    android:name=".Application" // Changed from `io.flutter.app.FlutterApplication`
    ... />

// build.gradle under app

// ...

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    implementation 'com.google.firebase:firebase-messaging:20.1.6'

    // ...
}

ClevercodeTech · 2020-05-05T04:21:57Z

have you included

// under [project]/android/app/build.gradle
apply plugin: 'com.google.gms.google-services'

lexdevel · 2020-05-05T08:45:19Z

Yes.

// under [project]/android/build.gradle
buildscript {
    ext.kotlin_version = '1.3.72'

    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.3'
        classpath 'com.google.gms:google-services:4.3.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

// under [project]/android/app/build.gradle
// ...
apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

ClevercodeTech · 2020-05-05T09:03:41Z

@lexdevel

Not sure if this helps. But i added activity tag as below in manifest.

<activity android:name=".Application"
   android:launchMode="singleTop"
   android:theme="@android:style/Theme.Black.NoTitleBar"
          android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
   android:hardwareAccelerated="true"
   android:windowSoftInputMode="adjustResize">
   <intent-filter>
       <action android:name="android.intent.action.MAIN"/>
       <category android:name="android.intent.category.LAUNCHER"/>
    </intent-filter>
   <intent-filter>
       <action android:name="FLUTTER_NOTIFICATION_CLICK" />
       <category android:name="android.intent.category.DEFAULT" />
   </intent-filter>
</activity>

lexdevel · 2020-05-05T09:37:55Z

@ClevercodeTech, thanks, unfortunately I have pretty similar config.

yourshinsuke · 2020-09-11T02:39:17Z

Unable to create service io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService: java.lang.RuntimeException: PluginRegistrantCallback is not set.

yourshinsuke · 2020-09-11T02:45:34Z

how to fix?
Does Google Engineer develop?

cuongvue · 2020-09-19T12:52:14Z

have the same issue on android only, setting Background Message resolves the issue

rochi88 · 2020-10-05T12:30:27Z

@Bretie, Kotlin worked for me. The procedure is the following:

Improve android/app/build.gradle file:

// At the bottom of the file, you will find a `dependencies` section

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    // Required for firebase messaging
    implementation 'com.google.firebase:firebase-messaging:20.1.6'
}

Create an Application class

package YOUR_PACKAGE_NAME

import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService

class Application : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
    override fun onCreate() {
        super.onCreate()
        FlutterFirebaseMessagingService.setPluginRegistrant(this);
    }

    override fun registerWith(registry: PluginRegistry?) {
        FirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"))
    }
}

In AndroidManifest.xml improve the application tag:

<!-- FROM -->
<application android:name="io.flutter.app.FlutterApplication" ... />

<!-- TO -->
<application android:name=".Application" ... />

In the dart code make sure the onBackgroundMessage callback is static or out of class function.

Future<dynamic> _onBackgroundMessage(Map<String, dynamic> message) async {
  debugPrint('On background message $message');
  return Future<void>.value();
}

class _WhateverState extends State<Whatever> {
  final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();

  @override
  void initState() {
    super.initState();
    _firebaseMessaging.configure(
      onBackgroundMessage: _onBackgroundMessage,
      // ...
    );
  }
}

Thanks so much you save my life

This one worked for me

signshah · 2020-10-28T15:04:02Z

My app crashes when app is in the background or not running and receives notification.

The official flutter migration guide (https://firebase.flutter.dev/docs/migration/) is saying the following.

Ensure that you're not manually importing any Firebase Android SDK dependencies in your android/app/build.gradle files dependencies { ... } section.

e.g. remove any lines similar to: implementation 'com.google.firebase:firebase-{PRODUCT}:{VERSION}

But the solution says that we need to add the com.google.firebase:firebase-messaging to the gradle file.

xlcod · 2020-11-06T11:08:34Z

How did you resolved? now using new flutter dependency : firebase_messaging: "^8.0.0-dev.6"

jgithaiga · 2020-11-10T10:55:42Z

@xlcod I followed the migration guide and on dart code I have:

// Define a top-level named handler which background/terminated messages will call.
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
  print('_firebaseMessagingBackgroundHandler > message: $message');
  // call `initializeApp` before using other Firebase services.
 
  ...
}

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();

  // Set the background messaging handler early on, as a named top-level function
  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);

  ...
}

pratamatama · 2020-12-11T10:31:33Z

My app crashes when app is in the background or not running and receives notification.

The official flutter migration guide (https://firebase.flutter.dev/docs/migration/) is saying the following.

Ensure that you're not manually importing any Firebase Android SDK dependencies in your android/app/build.gradle files dependencies { ... } section.

e.g. remove any lines similar to: implementation 'com.google.firebase:firebase-{PRODUCT}:{VERSION}

But the solution says that we need to add the com.google.firebase:firebase-messaging to the gradle file.

I also get confused by this. The readme on pub.dev is totally different with one on FlutterFire's migration guide.
Solution given by @lexdevel 's procedure works for me so I'll stick with it.

jpiabrantes · 2020-12-22T12:28:15Z

Using the new version 8.0.0-dev.10

I am getting these errors:

Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin

mahdismall9 · 2020-12-29T09:56:46Z

Solution !
change manifest!

z85510 · 2020-12-29T11:22:49Z

Using the new version 8.0.0-dev.10

I am getting these errors:

Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin

Same problem

Solution :
In the new version no need to register anything in the platform side.

Akiat · 2021-01-07T19:51:08Z

Using the new version 8.0.0-dev.10

I am getting these errors:

Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin

Same here

z85510 · 2021-01-07T21:14:24Z

Using the new version 8.0.0-dev.10
I am getting these errors:

Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin

Same here

You have to delete platform initialization, in the new version you don't need to add any code in android platform.

DeanPack · 2021-01-12T22:04:18Z

Using the new version 8.0.0-dev.10
I am getting these errors:
Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin
Same here
You have to delete platform initialization, in the new version you don't need to add any code in android platform.
I've removed the platform initialization and the app will run again, but I now have an issue that the background channel isn't working. I added this in my android manifest to set up the notification channel:

and then in strings.xml, I add 9c81f06, but I'm still getting errors. Here is the error I'm getting.
W/FirebaseMessaging( 4261): Notification Channel set in AndroidManifest.xml has not been created by the app. Default value will be used.
E/CloudMessagingReceiver( 4261): Notification pending intent canceled
W/ConnectionTracker( 4261): Exception thrown while unbinding
W/ConnectionTracker( 4261): java.lang.IllegalArgumentException: Service not registered: ls@9c81f06

DeanPack · 2021-01-12T22:10:15Z

if I take out the notification channels setup stuff, I get this error
W/FirebaseMessaging( 5109): Missing Default Notification Channel metadata in AndroidManifest. Default value will be used.
E/CloudMessagingReceiver( 5109): Notification pending intent canceled
W/ConnectionTracker( 5109): Exception thrown while unbinding
W/ConnectionTracker( 5109): java.lang.IllegalArgumentException: Service not registered: ls@c3c65e1

obadajasm · 2021-02-20T15:30:27Z

Using the new version 8.0.0-dev.10

I am getting these errors:

Running Gradle task 'assembleDebug'...
Application.kt: (5, 27): Unresolved reference: firebasemessaging
Application.kt: (6, 27): Unresolved reference: firebasemessaging
Application.kt: (11, 9): Unresolved reference: FlutterFirebaseMessagingService
Application.kt: (15, 9): Unresolved reference: FirebaseMessagingPlugin

change your imports to
import io.flutter.plugins.firebase.messaging
insted of
import io.flutter.plugin.firebasemessaging

obadajasm · 2021-02-20T19:39:23Z

That's what worked for me
Change your Application.kt to
note the imports

package com.domain.example

import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry

import io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin

class Application() : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
  override fun registerWith(registry: PluginRegistry?) {
      val key: String? = FlutterFirebaseMessagingPlugin::class.java.canonicalName
      if (!registry?.hasPlugin(key)!!) {
          FlutterFirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin"));
        }
    }
}

dont forget to change your AndroridManifest.xml

   <application
       android:name=".Application"
       ...

if you receiving a blank body/title message you may try this workaround here

Darksoulsong · 2021-03-16T20:15:20Z

package YOUR_PACKAGE_NAME

import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService

class Application : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
    override fun onCreate() {
        super.onCreate()
        FlutterFirebaseMessagingService.setPluginRegistrant(this);
    }

    override fun registerWith(registry: PluginRegistry?) {
        FirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"))
    }
}

Where should I create the Application.java file? Same directory as google-services.json?

lexdevel · 2021-03-16T20:27:56Z

@Darksoulsong, right near the MainActivity.java file.

codewithaquib · 2021-03-30T09:55:53Z

@Bretie, Kotlin worked for me. The procedure is the following:

Improve android/app/build.gradle file:

// At the bottom of the file, you will find a `dependencies` section

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    // Required for firebase messaging
    implementation 'com.google.firebase:firebase-messaging:20.1.6'
}

Create an Application class

package YOUR_PACKAGE_NAME

import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService

class Application : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
    override fun onCreate() {
        super.onCreate()
        FlutterFirebaseMessagingService.setPluginRegistrant(this);
    }

    override fun registerWith(registry: PluginRegistry?) {
        FirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"))
    }
}

In AndroidManifest.xml improve the application tag:

<!-- FROM -->
<application android:name="io.flutter.app.FlutterApplication" ... />

<!-- TO -->
<application android:name=".Application" ... />

In the dart code make sure the onBackgroundMessage callback is static or out of class function.

Future<dynamic> _onBackgroundMessage(Map<String, dynamic> message) async {
  debugPrint('On background message $message');
  return Future<void>.value();
}

class _WhateverState extends State<Whatever> {
  final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();

  @override
  void initState() {
    super.initState();
    _firebaseMessaging.configure(
      onBackgroundMessage: _onBackgroundMessage,
      // ...
    );
  }
}

@lexdevel - This worked for me! I am not sure if the notifications are loading yet but at least I got around to building a working APK! Thanks again!

russellwheatley · 2021-04-23T10:10:55Z

Hey @creativecreatorormaybenot, are you still experiencing the same problem using the latest messaging version: 9.1.2?

bonaparta13 · 2021-05-21T02:47:07Z

still same error with latest version of the fcm package firebase_messaging 10.0.0

omarreess · 2021-05-27T10:55:16Z

After A lot of searching . The problem is from this import
io.flutter.plugins.firebasemessaging
it changed to
io.flutter.plugins.firebase.messaging

this is Kotlin Applictaion class replace it with yours (credits to Obadajasm)

package com.domain.example

import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry

import io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin

class Application() : FlutterApplication(), PluginRegistry.PluginRegistrantCallback {
  override fun registerWith(registry: PluginRegistry?) {
      val key: String? = FlutterFirebaseMessagingPlugin::class.java.canonicalName
      if (!registry?.hasPlugin(key)!!) {
          FlutterFirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin"));
        }
    }
}

Johnconfit · 2021-07-23T03:29:58Z

// In your Application.java, Try this, it works for me

import io.flutter.app.FlutterApplication;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
import io.flutter.plugins.GeneratedPluginRegistrant;
import io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingBackgroundService;

public class Application extends FlutterApplication implements PluginRegistrantCallback {
// ...
@OverRide
public void onCreate() {
super.onCreate();
FlutterFirebaseMessagingBackgroundService.setPluginRegistrant(this);
}

@OverRide
public void registerWith(PluginRegistry registry) {
GeneratedPluginRegistrant.registerWith((FlutterEngine) registry);
}
// ...
}

// In your manifeste make sure to change android:name="io.flutter.app.FlutterApplication" to android:name=".Application"

// from official manual : https://firebase.flutter.dev/docs/messaging/overview/
// I hope that will help.

MohammedHussein5 · 2021-12-22T07:07:03Z

// In your Application.java, Try this, it works for me

import io.flutter.app.FlutterApplication; import io.flutter.embedding.engine.FlutterEngine; import io.flutter.plugin.common.PluginRegistry; import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback; import io.flutter.plugins.GeneratedPluginRegistrant; import io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingBackgroundService;

public class Application extends FlutterApplication implements PluginRegistrantCallback { // ... @OverRide public void onCreate() { super.onCreate(); FlutterFirebaseMessagingBackgroundService.setPluginRegistrant(this); }

@OverRide public void registerWith(PluginRegistry registry) { GeneratedPluginRegistrant.registerWith((FlutterEngine) registry); } // ... }

// In your manifeste make sure to change android:name="io.flutter.app.FlutterApplication" to android:name=".Application"

// from official manual : https://firebase.flutter.dev/docs/messaging/overview/ // I hope that will help.

I don't see this line in my android manifest ( android:name="io.flutter.app.FlutterApplication" to android:name=".Application" )

russellwheatley · 2022-05-09T10:13:38Z

Closing this issue as it is no longer a problem on the latest firebase_messaging plugin & flutter versions.

creativecreatorormaybenot added the type: bug Something isn't working label Feb 27, 2020

helenaford added platform: android Issues / PRs which are specifically for Android. plugin: messaging labels Apr 20, 2020

helenaford closed this as completed Apr 20, 2020

helenaford reopened this Apr 20, 2020

Boehrsi mentioned this issue Apr 29, 2020

[firebase_messaging] Android v2 embedding crashes #1754

Closed

TahaTesser added the impact: crowd Affects many people, though not necessarily a specific customer with an assigned label. (P2) label Oct 20, 2020

russellwheatley closed this as completed May 9, 2022

darshankawar mentioned this issue May 27, 2022

🐛 [firebase_messaging] cannot find symbol io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingBackgroundService.setPluginRegistrant(this); #8780

Closed

firebase locked and limited conversation to collaborators Jun 9, 2022

[firebase_messaging] PluginRegistrantCallback is not set on Android #2077

[firebase_messaging] PluginRegistrantCallback is not set on Android #2077

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Ensure that you're not manually importing any Firebase Android SDK dependencies in your android/app/build.gradle files dependencies { ... } section.

xlcod commented Nov 6, 2020 • edited Loading

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pratamatama commented Dec 11, 2020

Ensure that you're not manually importing any Firebase Android SDK dependencies in your android/app/build.gradle files dependencies { ... } section.

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