ListView的右边滚动滑块

ListView的右边滚动滑块：

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private void slipPic() {try {Field f = AbsListView.class.getDeclaredField("mFastScroller");f.setAccessible(true);Object o = f.get(listView);  //listview 控件f = f.getType().getDeclaredField("mThumbDrawable");f.setAccessible(true);Drawable drawable = (Drawable) f.get(o);drawable = getResources().getDrawable(R.drawable.icon);f.set(o, drawable);Toast.makeText(this, f.getType().getName(), 1000).show();} catch (Exception e) {throw new RuntimeException(e);}}

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