I\'m receiving this error in my android project:
Unable to execute dex: method ID not in [0, 0xffff]: 65536 Conversion to Dalvik format failed: Unable to exe
You can now only import the pieces of Google Play Services that you use. This saves a lot of methods.
If you only use GCM, then you only need com.google.android.gms:play-services-gcm:7.5.0
Look here for the list: https://developers.google.com/android/guides/setup