My current project had been building with Gradle just fine, since I created it (about a month ago), after acquiring Android-Studio. [I installed some earlier updates to Andr
now you can use the last 1.0.0-rc1 this way :
classpath 'com.android.tools.build:gradle:1.0.0-rc1'
This needs Gradle 2.0 if you don't have it Android Studio will ask you to download it