Adding Admob banner to PhoneGap App

gistfile1.java

public class PhonegapWithAdmobActivity extends DroidGap {
    private AdView adView;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        adView = new AdView(this, AdSize.BANNER, PUBLISHER_ID);
        super.loadUrl("file:///android_asset/www/index.html");
        ((LinearLayout)appView.getParent()).addView(adView);
        adView.loadAd(new AdRequest());
    }
}