RecyclerView laggy scrolling

Question

I am loading 400x200 images in RecyclerView, but scrolling is laggy on 2k devices. I am using Picasso for loading images from resource.

As you can see in the demo ima

Answer 1

You need to be getting the images asynchronously. As it is now, it stalls to actually download the image.

Leave the imageview blank when it's created, but have some sort of listener to set the image when it's been downloaded.