#if Java
import android.util.Log;
public static class MyAdListener extends com.google.android.gms.ads.AdListener {
String eventName = "nativead";
Log.e("B4A", eventName);
@Override
public void onAdClosed() {
processBA.raiseEventFromDifferentThread(null, null, 0, eventName + "_adclosed", false, null);
}