Android adView引发空指针异常
请查找下面的代码adView正在提供nullpointerexceptionAndroid adView引发空指针异常,android,admob,Android,Admob,请查找下面的代码adView正在提供nullpointerexception // TODO Auto-generated method stub super.onCreate(savedInstanceState); // Prepare the Interstitial Ad interstitial = new InterstitialAd(MainActivity.this); // Insert the Ad U
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
// Prepare the Interstitial Ad
interstitial = new InterstitialAd(MainActivity.this);
// Insert the Ad Unit ID
interstitial.setAdUnitId("ca-app-pub-6117491189465387/7628536955");
//Locate the Banner Ad in activity_main.xml
AdView adView = (AdView)findViewById(R.id.adView);
// Request for Ads
AdRequest.Builder adRequestBuilder=new AdRequest.Builder();
// Add a test device to show Test Ads
adRequestBuilder .addTestDevice(AdRequest.DEVICE_ID_EMULATOR);
adRequestBuilder.addTestDevice("abcd").build();
// Load ads into Banner Ads
adView.setAdSize(AdSize.BANNER);
adView.setAdUnitId("ca-app-pub-6117491189465387/7628536955");
adView.loadAd(adRequestBuilder.build());
interstitial.setAdListener(new AdListener() {
public void onAdLoaded() {
// Call displayInterstitial() function
displayInterstitial();
}
});
从2天开始我就被打动了,请告诉我哪里弄错了我没有看到你的setContentView()方法()。adview可能为null,因为您没有设置要使用的布局,或者在初始化adview后调用setContentView()。你应该有这个:
setContentView(R.layout.activity_main);
AdView adView = (AdView)findViewById(R.id.adView);
请发布onCreate()方法的完整内容,您的logcat stacktrace和布局文件,如果我错了我也在处理这个问题。原因是定制ROM。它有一个“好”的功能,比如安卓广告块。也许你也有同样的问题?你有没有在创建之前声明你的interstitial,比如:InterstitialAdinterstitial@NitinMisra,CROSP说,我已经通过设置setContentView()编辑了我的代码,现在logcat中没有显示错误,但屏幕上没有显示演示应用程序。发布您的XML以及您说我错过了setContentView,但现在如果我运行,我看到的空白活动,它没有给任何添加的布局。请张贴你的XML布局文件