Android Studio: ClassNotFoundException

Question

i was busy with my app for over a week, when suddenly:

11-12 07:59:17.860    1653-1653/nl.test.myapp E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.Runtim         


        

Answer 1

When using Android Studio, please ensure that the "src" folder that contains your Java class is marked as "Source Root". Otherwise, it will not make it into the APK.