Im working on simple map app, I added google-play-services.jar and its reference to gradle
dependencies { compile files(\'libs/android-support-v4.jar\',
Go to Android SDK Manager, go to Extras, select Google Play Services and Google Repository and then click on 'Install Packages...' button.
Click on 'build.gradle' file, in the code window in editor, then click on 'try again' link button...
Wait until gradle build finish.