Admob Activity

import com.google.ads.*;
public class BannerExample extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    // Look up the AdView as a resource and load a request.
    AdView adView = (AdView)this.findViewById(R.id.adView);
    adView.loadAd(new AdRequest());
  }
}