错误：找不到符号FirebaseAdMobPlugin.registerNativeAdFactoryflutterEngine，“ moviesTorrentAdFactory”，NativeAdFactoryExample;

编程问答 2022-07-13

问题描述

我正在使用Flutter，并且在此doc

之后，我尝试使用原生广告

所有广告都可以正常运行，但原生广告无法正常运行，并且无法构建显示此错误的应用程序

错误：找不到符号FirebaseAdMobPlugin.registerNativeAdFactory（FlutterEngine，“ moviesTorrentAdFactory”，NativeAdFactoryExample（））;

这是MyActivity.java文件：

package tech.devm.movies_torrent;

import io.Flutter.embedding.android.FlutterActivity;
import io.Flutter.embedding.engine.FlutterEngine;
import io.Flutter.plugins.firebaseadmob.FirebaseAdMobPlugin;

import com.google.android.gms.ads.formats.UnifiednativeAd;
import com.google.android.gms.ads.formats.UnifiednativeAdView;
import io.Flutter.plugins.firebaseadmob.FirebaseAdMobPlugin.NativeAdFactory;
import java.util.Map;

public class MainActivity extends FlutterActivity {
  @Override
  public void configureFlutterEngine(FlutterEngine FlutterEngine) {
    FlutterEngine.getPlugins().add(new FirebaseAdMobPlugin());

    FirebaseAdMobPlugin.registerNativeAdFactory(FlutterEngine,"moviesTorrentAdFactory",NativeAdFactoryExample());
  }

  @Override
  public void cleanUpFlutterEngine(FlutterEngine FlutterEngine) {
    FirebaseAdMobPlugin.unregisterNativeAdFactory(FlutterEngine,"moviesTorrentAdFactory");
  }
}




class NativeAdFactoryExample implements NativeAdFactory {
  @Override
  public UnifiednativeAdView createNativeAd(
      UnifiednativeAd nativeAd,Map<String,Object> customOptions) {
    // Create UnifiednativeAdView
  }
}

是否应该对Manifest.xml文件进行任何更改？还是我错过了什么？ 我已经使用（Flutter clean）多次清除了构建，但是没有任何效果 任何帮助将不胜感激

解决方法

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