NullPointerException - Attempt to invoke virtual method RecyclerView$ViewHolder.shouldIgnore()' on a null object reference

Question

Several developers have reported seeing the following stack trace since upgrading to Android Support 23.2.0:

java.lang.NullPointerException: Attempt to invok         


        

Answer 1

If you absolutely need to modify layout params, you can use the default item layout params like this:

    ViewGroup.LayoutParams params = itemView.getLayoutParams();
    params.height=xx;
    params.width= xx;
    params.yyyy = xxx;
    itemView.setLayoutParams(params);