I was working with adMob, on my emulator with a test ads:adUnitId
public class BalloonDefense extends Activity {
Surface view;
WakeLock WL;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//full screen
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
//ad--------------------------------------------------------------------------CHANGE ME 1 (change advert unit id)
AdView ad = new AdView(this);
ad.setAdUnitId("ca-app-pub-4270508386283746/3070375087");
ad.setAdSize(AdSize.BANNER);
RelativeLayout layout = new RelativeLayout(this);
//layout
view = new Surface(this, this);
LayoutParams params1 = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params1.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
params1.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
ad.setLayoutParams(params1);
layout.addView(view);
layout.addView(ad);
setContentView(layout);
//ad`enter code here`
AdRequest adRequest = new AdRequest.Builder()
.addTestDevice(AdRequest.DEVICE_ID_EMULATOR)
.build();
**ad.loadAd(adRequest);**`
If it add ad.loadAd(adRequest);, the application is closes? Why? Thanks!