flutter: create state flutter: init state flutter: did change dependencies flutter: build flutter: reassemble flutter: did update widget flutter: build 1. 2. 3. 4. 5. 6. 7. 示例: import 'package:flutter/material.dart'; /// 创建有状态测试组件 class TestStatefulWidget extends StatefulWidget {...
发现两次初始化,第一次是由FlutterActivity 中开始的创建 第二次是在FlutterFirebaseMessagingBackgroundExecutor 中创建了FlutterEngine 过程中初始化插件。 删除了Firebase_messaging 以后(包括其他相关代码)JPush 一切正常。 到这里,基本可以断定是Firebase_messaging 插件导致的。 翻看代码 在这里看到,backgroundFlutterEngi...
创建一个页面并通过分别导入这些包来初始化 firebase_messaging 和 flutter_local_notifications。 import ‘package:firebase_messaging/firebase_messaging.dart’; import ‘package:flutter_local_notifications/flutter_local_notifications.dart’; // create an instance FirebaseMessaging messaging = FirebaseMessaging.inst...
import 'package:firebase_core/firebase_core.dart'; void main() async { WidgetsFlutterBinding.ensureInitialized(); await Firebase.initializeApp(); runApp(MyApp()); } 5. 在需要接收消息的地方,创建一个新的FirebaseMessaging实例并设置监听器: import 'package:firebase_messaging/firebase_messaging.dart'; ...
firebase_core/firebase_core.dart'; import 'package:firebase_messaging/firebase_messaging.dart'; import 'package:flutter/material.dart'; Future<void> _messageHandler(RemoteMessage message) async { print('background message ${message.notification!.body}'); } void main() async { WidgetsFlutterBinding...
在Flutter应用中,使用firebase_messaging库来处理云消息传递。可以在main.dart文件中添加以下代码: 代码语言:txt 复制 import 'package:firebase_messaging/firebase_messaging.dart'; void main() async { // ... FirebaseMessaging messaging = FirebaseMessaging.instance; messaging.getToken().then((token) { print...
1.1 首先,我们需要引入pub.dev上的firebase_messaging第三方库 在pubspec.yaml文件中加入 dependencies:flutter:sdk:flutterfirebase_messaging:7.0.3 1.2 使用flutter pub get或者在Android Studio中使用图形化操作(如图1.2),下载firebase推送库到本地 图1.2.png ...
E/AndroidRuntime(26033): java.lang.AssertionError E/AndroidRuntime(26033): at io.flutter.plugins.firebase.messaging.FlutterFirebasePermissionManager.onRequestPermissionsResult(FlutterFirebasePermissionManager.java:33) E/AndroidRuntime(26033): at io.flutter.embedding.engine.FlutterEngineConnectionRegistry$Flutte...
flutter firebase-authentication firebase-cloud-messaging firebase-securityShare Improve this question Follow edited Oct 19, 2022 at 18:10 asked Oct 13, 2022 at 4:02 Petro 3,63233 gold badges3333 silver badges6363 bronze badges Add a comment 2 Answers Sorted by: 6 Did yo...
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