kun*_*369 5 android flutter firebase-cloud-messaging
我正在使用 firebase 消息传递。我按照插件自述文件中给出的步骤进行操作。但是我的应用程序 .java 出现错误。
应用程序.java
package com.app.demoapp;
import com.transistorsoft.flutter.backgroundfetch.BackgroundFetchPlugin;
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
import io.flutter.app.FlutterApplication;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugins.GeneratedPluginRegistrant;
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService;
public class Application extends FlutterApplication implements PluginRegistry.PluginRegistrantCallback {
public void onCreate() {
super.onCreate();
FlutterFirebaseMessagingService.setPluginRegistrant(this);
BackgroundFetchPlugin.setPluginRegistrant(this);
}
@Override
public void registerWith(PluginRegistry registry) {
GeneratedPluginRegistrant.registerWith(registry);
}
}
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错误:
error: cannot find symbol
FlutterFirebaseMessagingService.setPluginRegistrant(this);
^
symbol: method setPluginRegistrant(Application)
location: class FlutterFirebaseMessagingService
1 error
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