After migration to AndroidX, exception at start up: java.lang.ClassNotFoundException: “Didn't find class androidx.core.app.CoreComponentFactory”

Question

After migration to AndroidX i have the following exception at startup:

LoadedApk: Unable to instantiate appComponentFactory
    java.lang.ClassNotFoundExcept         


        

Answer 1

I hit this error while trying to run a debug android app on an AVD emulator.

Wiping the data from the emulator (from the AVD Manager) fixed the issue.