Android Studio for refactoring obscure decompiled code

"It's in Foreign" @thegrugq

A while ago, I've been experimenting with using Android Studio for refactoring decompiled code.

1. Export Java sources, from whatever decompiler works 
2. "Import project" from sources in Android Studio 
3. Use Shift-Fn-F6 to rename classes, methods etc 

What's best is that Studio (hurray for IntelliJ IDEA) is sometimes intelligently estimates types of variables and offers reasonably meaningful names: