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RECOMMENDED SITES
Flutter firebase fcm No implementation FcmDartService#initialized
I'm try Firebase messaging with Android Flutter.
I'm fix this error "No implementation found for method FcmDartService#initialized".
Remove: GeneratedPluginRegistrant.registerWith(registry);
Add: FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
OLD CODE - Application.java
I'm fix this error "No implementation found for method FcmDartService#initialized".
Remove: GeneratedPluginRegistrant.registerWith(registry);
Add: FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
OLD CODE - Application.java
package your.package.name;
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;
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);
}
}
NEW CODE - Application.java
package your.package.name;
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.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 registry) {
FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
}
}
Author: Engin ATALAY
Date: 16.01.2021 18:12:07
View Count: 586
COMMENTS

Suman Nandi
15
Ocak
2023
10:33
This is not working now.
I have upgrade my plugin
firebase_core:^0.5.3 and firebase_messaging: ^7.0.3
upper version not working.
I want to solve this issue. I have stuck last 1 month, please help me.
[ERROR:flutter/lib/ui/ui_dart_state.cc(186)] Unhandled Exception: MissingPluginException(No implementation found for method Firebase#initializeCore on channel plugins.flutter.io/firebase_core)