wifidirect demo,wifi直连使用方法，-wifidirect demo,wifi discover，peer.disconnect,connect,reciever .etc method

一款WIFI下客户端和服务端互相通信的Demo（两端都是手机） 首先将手机连接wifi，打开本程序，会自动创建服务，等待客户端连接-Under a WIFI client and server communicate with each other Demo (both ends of the phone) First, connect your phone wifi, open this program, it will automatically create a service,

自己修改别的连接wifi的demo，使用Android studio编辑，完全能使用，可以很好的让大家借鉴。-Make changes to the other connection wifi demo, using Android studio editing, fully able to use, so that we can be a good reference.