Linux SDL库，封装了声音、键盘、鼠标、显卡等设备。-This is the Simple DirectMedia Layer, a general API that provides low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D framebuffer across multiple platforms

1、在android上借助OpenGL ES实现几何图形旋转； 2、将设计好的Android程序置于模拟器中运行；-1. With the OpenGL ES on android achieve geometric rotation 2, will be designed to run Android applications into the emulator sequence