There is a new Android Studio update: https://sites.google.com/a/android.com/tools/recent/androidstudio030released
The link says:
The improved performance is made possible by changes in Gradle 1.8 and
Android Gradle plugin version 0.6.+
Gradle: A problem occurred evaluating project.
Gradle version 1.8 is required. Current version is 1.6
I am not sure if this will help you but here is what fixed it for me:
Open up this file in your project:
Edit the distributionUrl line and set it too:
Rebuild your project.
Update: You might want to use