App Not Correctly Configured To Use Google Play Services With A Libgdx Game

We develop a game using Libgdx which I'm trying to integrate with Google Play services. I'm interested in adding google multiplayer service. This is what I've done: MainActivity ex

Solution 1:

Finally, it's works !! I deleted the project in google play developer console and I redid all. I also notice that the google+ of the gmail account I was using was not actived. Maybe this is why it didn't work the first time... Hope that will help someone with the same issue.