SignalR IOS Android
http://www.dotblogs.com.tw/toysboy21/archive/2014/03/24/144505.aspx
https://www.youtube.com/watch?v=f9ih_M7PC10
http://www.dotblogs.com.tw/toysboy21/archive/2014/03/24/144505.aspx
https://www.youtube.com/watch?v=f9ih_M7PC10