The easiest way that worked for me was using relative layout inside my cardView and then using the "android:layout_centerHorizontal="true". This works perfectly when the width and height of the of the relative layout are match parent (Parent being the cardView).

The easiest way that worked for me was using relative layout inside my cardView and then using the android:layout_centerInParent="true". This works perfectly when the width and height of the of the relative layout are match parent (Parent being the cardView).