Android studio Error "Unsupported Modules Detected: Compilation is not supported for following modules"

I am using Android studio 1.0.1. I have a java module referred by other modules in my project. I have checked it out from SVN But now every

Unsupported Modules Detected: Compilation is not supported for following modules: . Unfortunately you can't have non-Gradle Java modules and Android-Gradle modules in one project.

After getting this error AS stop compilation of this module so that I am not able to compile/run my project any more.

Solution 1:

1- close the project

2- close Android Studio IDE

3- delete the .idea directory located inside the project folder

4- delete all .iml files

5- open Android Studio IDE and import the project

Solution 2:

First of all you should update to Android Studio 1.2 Source: https://code.google.com/p/android/issues/detail?id=77983

Then you should go to File -> Invalidate Caches / Restart -> Invalidate Caches & Restart.

Then try to build the application again.