Multiple dex files define Lcom/google/ads/AdRequest$ErrorCode and Multiple dex files define Lcom/google/ads/AdRequest$ErrorCode

Question

I created android application and try to add admob to it. but it not works. can anyone help me to fix this error.

[2014-04-09 15:16:51 - Dex Loader] Unable t         


        

Answer 1

In my case the problem occured when i moved to firebase.

The problem dissappeared when removing old "GoogleAdMobAdsSdk" sdk from "app\libs" folder.