After downloading the New L SDK and 20 SDK when trying to refresh, build, or clean my project i get a
Error:Error retrieving parent for item: No resource fou
In Android Studio, nothing above worked unless I compiled and targeted the same version (23 in this case...) and added the specific Google reference to compile Google APIs. which fixed all 99 errors after importing and updating from Eclipse:
compileSdkVersion 'Google Inc.:Google APIs:23'