android - MissingPluginException（在通道 dexterous.com/flutter/local_notifications 上找不到方法初始化的实现）

Question

我正在尝试设置最基本版本的颤振本地通知，但我不断收到此错误

[ERROR:flutter/lib/ui/ui_dart_state.cc(199)] Unhandled Exception: MissingPluginException(No implementation found for method initialize on channel dexterous.com/flutter/local_notifications)

查看我的自动生成的插件注册者 java 文件时

package io.flutter.plugins;

import androidx.annotation.Keep;
import androidx.annotation.NonNull;

import io.flutter.embedding.engine.FlutterEngine;

/**
 * Generated file. Do not edit.
 * This file is generated by the Flutter tool based on the
 * plugins that support the Android platform.
 */
@Keep
public final class GeneratedPluginRegistrant {
  public static void registerWith(@NonNull FlutterEngine flutterEngine) {
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebase.firestore.FlutterFirebaseFirestorePlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebase.auth.FlutterFirebaseAuthPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebase.core.FlutterFirebaseCorePlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebasedynamiclinks.FirebaseDynamicLinksPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.firebase.storage.FlutterFirebaseStoragePlugin());
    flutterEngine.getPlugins().add(new com.byneapp.flutter_config.FlutterConfigPlugin());
    flutterEngine.getPlugins().add(new app.meedu.flutter_facebook_auth.FlutterFacebookAuthPlugin());
    flutterEngine.getPlugins().add(new com.dexterous.flutterlocalnotifications.FlutterLocalNotificationsPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.googlesignin.GoogleSignInPlugin());
  }
}

我发现该插件似乎已注册。那么为什么它会抛出错误呢。这是我使用的代码

import 'package:flutter_local_notifications/flutter_local_notifications.dart';

class FirebaseMessagingProvider extends PushNotificationProvider {
  final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();

  FirebaseMessagingProvider() {
    initializeLocalNotifications();
  }

  Future<void> initializeLocalNotifications() async {
      const AndroidInitializationSettings initializationSettingsAndroid =
      AndroidInitializationSettings('app_icon');

    const AndroidNotificationChannel channel = AndroidNotificationChannel(
      'high_importance_channel', // id
      'High Importance Notifications', // title
      'This channel is used for important notifications.', // description
      importance: Importance.max,
    );

    final InitializationSettings initializationSettings =
        InitializationSettings(android: initializationSettingsAndroid);

    await flutterLocalNotificationsPlugin.initialize(initializationSettings,
        onSelectNotification: (_) async => print("notified"));

    await flutterLocalNotificationsPlugin
        .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
        ?.createNotificationChannel(channel);
  }
}

在这一行抛出错误

await flutterLocalNotificationsPlugin.initialize(initializationSettings,
    onSelectNotification: (_) async => print("notified"));

我查看了以下 github 问题

https://github.com/MaikuB/flutter_local_notifications/issues/238

但它似乎主要针对flutter 1项目，您必须自己注册插件。我确实尝试过 application.kt 但它不起作用。

那么为什么会出现这个错误呢？

Flutter 版本：Flutter 2.2.0 • 频道稳定 • https://github.com/flutter/flutter.git flutter_local_notifications: ^6.0.0

标签： androidflutterflutter-local-notification