Duplicate classes R & BuildConfig after “Reimport All Maven Projects”

Question

We are building our Android projects with Maven and IntelliJ IDEA. Sometimes we must execute \"Reimport All Maven Projects\", e.g. to update dependencies. The problem with t

Answer 1

According to the reply of Sven Strohschein at http://youtrack.jetbrains.com/issue/IDEA-94901 you can try to:

1. Delete the "gen", "target" and "out" folders
2. Revert the changes within the "ipr" and "iml" files (or just delete them all, maybe even .idea folder)
3. Start IntelliJ 12
4. Open the pom file
5. Right click -> "Maven" -> "Reimport"
6. "Build" -> "Rebuild project"

Works fo me.