code: public void drawRight(View view, Canvas c) {
          int left = view.getRight();
          int top = view.getTop() - mHeight;
          int right = left + mWidth;
          int bottom = view.getBottom() + mHeight;
          mDivider.setBounds(left, top, right, bottom);
          mDivider.draw(c);
      }
docs: Draw the divider on the top side of the Item.