android平台下的QQ即时通讯程序，很有价值，代码很复杂，需要调整才可以运行-android platform of the QQ instant messaging program, great value, code is very complex and need to be adjusted before they can run

一个使用openGL实现的小程序，显示了奥运五环，其中有openGL最基本的使用方法-Use openGL realize a small program, showing the Olympic rings, of which the most basic use of openGL

OpenGl base on C.The paint program implement draw line,triangle,rectrangle,character,rubberband lines and rectangles.