在网上找了很久Android上wifi的TCP通信，很多例子方法都不对，容易死，后来找到一篇非阻塞式的，然后将之做成了个Demo，大家要做这一块的请参考本例子，真正实用。-Wifi Internet looking for a long time on the Android TCP communication, many examples of methods are not right, easy to die, then find an non-blocking, and then it