它显示两个错误 1)当我将光标指向R.id.adView时。在adView,它说“adView无法解析或不是字段” 2)在最后一个单词.build()的第二行adrequest中,当我将光标移到.build()时,它说“方法build()未定义为AdRequest.Builder类型”
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AdView adView = (AdView)this.findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
adView.loadAd(adRequest);
在XML文件中..
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
xmlns:ads="http://schemas.android.com/apk/res-auto"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity"
tools:ignore="HardcodedText" >
<com.google.android.gms.ads.AdView
android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
ads:adSize="BANNER"
ads:adUnitId="@string/banner_ad_unit_id">
</com.google.android.gms.ads.AdView>
在图形布局中,它说“找不到以下类: - com.google.android.gms.ads.AdView(更改为android.view.View,修复构建路径,编辑XML,创建类)“
请帮助我并提出最佳建议,因为我现在遇到了麻烦......