颤振：找不到符号 GeneratedPluginRegistrant.registerWith((FlutterEngine) registry);

Question

我有这个问题：

/Users/nameuser/AndroidStudioProjects/app_gp-last_one/android/app/src/main/java/com/example/app_gp/Application.java:19: error: cannot find symbol
    GeneratedPluginRegistrant.registerWith((FlutterEngine) registry);
                                            ^

符号：类 FlutterEngine 地点：班级申请 注意：/Users/nameuser/AndroidStudioProjects/app_gp-last_one/android/app/src/main/java/com/example/app_gp/Application.java 使用或覆盖已弃用的 API。 注意：使用 -Xlint:deprecation 重新编译以获取详细信息。 1 个错误

我的 Application.java

package com.example.app_gp;

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.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);
}

// ...}

pubspace.yaml

cupertino_icons: ^1.0.1
carousel_pro: ^1.0.0
http: ^0.12.2
firebase_core: "^0.7.0"
firebase_auth: "^0.20.0+1"
firebase_database: "^6.0.0"
fluttertoast: ^7.1.6
firebase_messaging:
firebase_analytics: any
flutter_local_notifications: ^3.0.0'

如何解决这个问题