I am going to start develop application for fire TV i can create an application using Eclipse successfully, But when i try the same procedure to create new application which
Invalidate Caches And Restart Also Works. Try It Out By Going To File and selecting Invalidate caches and restart
My case, delete ~/.gradle/
and suddenly all working well again.
good luck!
I couldn't understand about ~/.gradle/ folder... but now I got it and solved! delete here folder!
Just go to Android Studio -> File -> Close project. After closing the project,reopen it afresh. This solved the problem for me.