Good tutorial: http://www.vogella.com/tutorials/JavaLibrary-OkHttp/article.html#creating-request-objects-for-make-network-calls
注意:很多国产ROM 会限制应用的后台联网,需要把应用加入白名单
Good tutorial: http://www.vogella.com/tutorials/JavaLibrary-OkHttp/article.html#creating-request-objects-for-make-network-calls
注意:很多国产ROM 会限制应用的后台联网,需要把应用加入白名单