android.support.v7.widget.CardView could not be found (Android Studio 1.1 Preview)

Question

I\'m trying to add CardView to my activity as the official sample. But it does

Answer 1

With the release of Android 9.0 (API level 28) there is a new version of the support library called AndroidX

And the support library will be discontinued...

Add the following to buld.gradle:app

dependencies {
    ...
    implementation 'androidx.recyclerview:recyclerview:1.0.0'
    implementation 'androidx.cardview:cardview:1.0.0'
    ...
}