wifi androd 整体框架
1. http://blog.csdn.net/myarrow/article/details/8129607/
2. http://blog.csdn.net/liuhaomatou/article/details/40398753
3. http://www.cnblogs.com/snake-hand/p/3174650.html
4. http://blog.csdn.net/u011913612/article/details/52785722