非常强大的界面设计类，图片的加载与图片换图片，，功能非常的完美了。-A very powerful type of interface design, image and picture for picture to load, a very perfect.

利用Circle方法画的太极图，对circle方法不了解的有很大的帮助-Circle method of painting the use of Tai Chi, a method for the circle of great help to understand