java.lang.ClassNotFoundException: Didn't find class “com.my_app_name.androidx”

Question

After attempting to upgrade my Android app from an old version of React Native (0.55.4) to the latest version (0.60.4). Now I am unable to launch my app. It crashes every time I

Answer 1

I fixed the problem. I added something to my AndroidManifest.xml that I didn't need to. I copied and pasted this from somewhere else, but it turned out that I didn't need this and was causing the problem:

<application
    ...
    tools:replace="android:appComponentFactory"
    android:appComponentFactory="androidx"
>

Removing those lines fixed my problem.