Appcompat CardView and Picasso no rounded Corners

Question

I do not know where Exactly i Should Adress this issue, if it is my fault, there is something in the Picasso Lib Wrong or in the Cardview Library.

Basicly i have a <

Answer 1

It works for me like this:

1. Replace the ImageView with RoundedImageView (https://github.com/vinc3m1/RoundedImageView).
2. Set the riv_corner_radius attribute on the RoundedImageView to be the same as CardView's corner.
3. Set cardPreventCornerOverlap to false on the CardView (app:cardPreventCornerOverlap="false").
4. It looks the same on L and pre-L now.