Error: Unfortunately you can't have non-Gradle Java modules and > Android-Gradle modules in one project

Question

I have an IntelliJ 14.1.2 Project consisting of two modules - one is an Android Gradle based module and the other is a Spring Java-based module with Maven.

gps-track

Answer 1

For some reason, you can not delete the .idea folder

The best way is

• Delete all files inside of .idea
• Delete .idea