android开发视频教程
http://topic.csdn.net/u/20120323/16/72bb32a2-47ca-46ac-b4b9-ba29e0e4ecd0.html?seed=33573174&r=78014511#r_78014511
http://wenku.baidu.com/view/be4fe6bcf121dd36a32d826b.html###