Default Activity not found in Android Studio

Question

I just upgraded to Android Studio 0.2.8 and I am getting an error that says \"Default Activity not found\" when I try to edit the run configurations.

When I launch A

Answer 1

If you are still getting an error that says "Default Activity not found" when you try to edit the run configurations even after executing:

Invalidate cache and Restart.

Then try deleting the Settings/Preferences folder:

/< USER_HOME_DIR >/.AndroidStudioPreview3.2

or on Mac :

/Users//Library/Preferences/.AndroidStudioPreview3.2