I have this problem with Google+ button integration. There\'s no error in logcat or force close, but something is not right. I added the button, you can see my XML below. It\'s
That version of the PlusOneButton initializer is an old one - try making sure you're on the latest Google Play services, and remove the PlusClient from the call - see http://developer.android.com/reference/com/google/android/gms/plus/PlusOneButton.html
I'm also not sure whether that URL will do what you probably want and +1 the app in the Play store, I think it'll just +1 the URL itself (which probably wont be displayed anywhere).