The given artifact contains a string literal with a package reference 'android.support.v4.content' that cannot be safely rewritten. for androidx

Question

I upgraded my android studio to 3.4 canary and now I cannot successfully build anymore due to the following error:

The given artifact contains          


        

Answer 1

Upgrade ButterKnife to latest version and make sure to add these into your build.gradle(app):

android {
...
compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}
}