How to update gradle in android studio?

Question

I installed Android Studio 0.1.9. Today I got and update to version 0.2 and of course I updated. After the installation I restarted Android Studio but now I get this messag

Answer 1

It works for me:

just go to '/home/your-user/.gradle/wrapper/dists/'

delete everything inside of this

It will be replaced by android studio

on terminal run: ionic emulate android

Its all...