Error:Attribute “theme” has already been defined

Question

I am using Android studio for building application. I am using this following dependencies:

1. play services : compile \'com.google.android.gms:play-servic

Answer 1

just use latest (21)
appCompat and
google play services library

For example:

compile 'com.android.support:support-v4:21.0.0'
compile 'com.android.support:appcompat-v7:21.0.0'
compile 'com.android.support:recyclerview-v7:21.0.0' 
compile 'com.android.support:cardview-v7:21.0.0'
compile 'com.google.android.gms:play-services:6.1.11'

then everything works :)