code: public static Drawable getSelectableItemBackgroundBorderless(Context ctx){
          int[] attrs = new int[] { R.attr.selectableItemBackgroundBorderless /* index 0 */};
          TypedArray ta = ctx.obtainStyledAttributes(attrs);
          Drawable drawableFromTheme = ta.getDrawable(0 /* index */);
          ta.recycle();
          return drawableFromTheme;
      }
docs: Get the selectableItemBackground attribute drawable
  @return