I have a fragment with a toolbar and a recyclerView inside it.
I am populating the recyclerView with dummy data and then try to show them. For some reason, the last
I had the same problem (even missing an entire ViewHolder element from my list) while using a RecyclerView inside a ConstraintLayout. As Sila Siebert mentioned, setting layout_width and layout_height of the RecyclerView to zero did the trick. It's a bit confusing cause the editor jumps back to say "match_constraints" after a bit while the XML-text says 0dp. Don't let it confuse you, it should work.