I just downloaded Android Studio 1.0RC4 and I can\'t build any project, even newly created ones.
The error I got is:
Error:Could not
you can probably drop the RC-1 in your build.gradle:
classpath 'com.android.tools.build:gradle:1.0.0'
Here's a checklist of things that have changed recently
http://tools.android.com/tech-docs/new-build-system/migrating-to-1-0-0