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

This solution worked for me Android Studio 3.3.2.

1. Delete the .iml file from the project directory.
2. In android studio File->invalidate caches/restart.
3. Clean and Rebuild project if the auto build throws error.