1.android:fastScrollEnabled="true"

2.Listview组件没有提供修改快速滑块的图像的API，因此不能直接修改，需要用java的反射技术修改

listView1 = (ListView)findViewById(R.id.listView1);		listView1.setFastScrollEnabled(true);		//获取FastScroller对象		try {			Field field = AbsListView.class.getDeclaredField("mFastScroller");			field.setAccessible(true);			Object obj = field.get(listView1);			//获取FastScroller.mThumbDrable变量的Field对象			field = field.getType().getDeclaredField("mThumbDrawable");			field.setAccessible(true);			//获取FastScroller.mThumbDrable的值			Drawable drawable = (Drawable)field.get(obj);			drawable = getResources().getDrawable(R.drawable.ic_launcher);			field.set(obj, drawable);					} catch (Exception e) {			// TODO Auto-generated catch block			e.printStackTrace();		}

运行效果：