I’ve noticed that with in-app-alerts, sometimes I get the onAdLoaded() called even though the ad has not been loaded succesfully. When this happens, a small text with a message like “This content is not available at this time” is shown. This is particularly irritating because if you trigger the in-app-alert at application exit (back button) and you rely on the callbacks to exit the application, the user will get trapped unless he presses the home button and the application will keep running on the background.
Any workaround ? I remember this issue being discussed months ago and they haven’t fixed it yet.
EDIT: This probably happens with interstitials too.