Admob No fill from ad server - failed to load ad: 3

Question

My issue is that ads are not being displayed at all in my app, test mode or not. I am going to keep this question specific to test mode, and once I get that working I will w

Answer 1

I had this problem too. It wasn't until I went to Admob.com and "manually" added my app so I could get my "Ad Unit Id". I put this Ad Unit Id string as the argument my adView.setAdUnitId call. Then I installed and opened the "release" APK I generated via Eclipse. File > Export > Export Android Application