question

ive just summited an App (name: Message Scheduler) which integrated Amazon Mobile Ads but it didnt show when i run app. my code:
AdRegistration.enableLogging(false);
AdRegistration.enableTesting(false);

adView = (AdLayout)findViewById(R.id.ad_view);
adView.setListener(this);

try {
AdRegistration.setAppKey(APP_KEY); // ive replaced by my Application Key
} catch (Exception e) {
Log.e(LOG_TAG, "Exception thrown: " + e.toString());
return;
}

AdTargetingOptions adOptions = new AdTargetingOptions();
adView.loadAd(adOptions);