Activity class does not exist

Question

Aaaargh! I don\'t know what\'s going on, but suddenly I can\'t launch my app. I\'m using IntelliJ and I keep getting this error. I thought maybe there was a typo somewhere i

Answer 1

I'd had the same problem, after closed Genymotion emulator and connected my phone. Cleaning the project and rerunning solved my problem too.