实现一个弹出视图，弹出的视图上加上列表和导航条（navigation bar）。 -Plus view a pop-up view of the pop-up list and navigation bar (navigation bar).

该demo的表视图列表中实现了自绘各种小图形，实现各种动画效果-Table view a list of the demo is to achieve a variety of small self-painted graphics, to achieve a variety of animation effects