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

The problem is in the build / run configuration of your project. You have to check the "Deploy application" checkbox in the Run/Debug Configuration screen, under the General tab.

This solved my problem.