可通过各种原料药来实现简单的动画，并创建简单的二维和三维图形，通过一系列的动手练习。包括，属性动画，查看动画，可画的动画，帆布，OpenGL ES。-APIs can be achieved through a variety of simple animations, and create simple 2D and 3D graphics, through a series of hands-on exercises. Including, property animation to see