Purchase a server to set up a proxy server
http://www.jianshu.com/p/0bf352202434
Android studio set proxy
Android studio set http proxy
Just ip address and port
Android studio set socks proxy
http://www.jianshu.com/p/5fa894881667
Test whether the proxy is successful
Agent Principle and Implementation
http://www.cnblogs.com/cyq1162/archive/2010/09/21/1832329.html
http://blog.csdn.net/lishuhuakai/article/details/26691213