ListView自定义滑动条

 /**

      * 修改默认滑动条

      */

     private void SetSliderIcon() {

         try {

             Field f = AbsListView.class.getDeclaredField("mFastScroller");

             f.setAccessible(true);

             Object o = f.get(ListView1);

             f = f.getType().getDeclaredField("mThumbDrawable");

             f.setAccessible(true);

             Drawable drawable = (Drawable) f.get(o);

             drawable = getResources().getDrawable(R.drawable.ic_launcher);

             f.set(o, drawable);

         } catch (Exception e) {

             throw new RuntimeException(e);

         }

     }