CardView not shown in RecyclerView

Question

I have a problem which is driving me nuts. Basically it is a simple RecyclerView which displays a cardview. There are a lot of posts out there already, which I checked. I have a

Answer 1

You are using RecyclerView with vertical orientation (in Java code)

In the Activity XML you are setting the layout height to Wrap_Content

The card layout also has an height of match_parent

They will not work like that, I lost three days on this

Try to give fix height to your card layout, test also other alteration of other layout, it will work for you

Good luck