android-async-http 是 Android 上的一个异步 HTTP 客户端开发包。
主要特性：
Make asynchronous HTTP requests, handle responses in anonymous callbacks
HTTP requests happen outside the UI thread
Requests use a threadpool to cap concurrent resource usage
GET/POST params builder (RequestParams)
Multipart file uploads with no additional third party libraries
Tiny size overhead to your application, only 19kb for everything
Automatic smart request retries optimized for spotty mobile connections
Automatic gzip response decoding support for super-fast requests
Optional built-in response parsing into JSON (JsonHttpResponseHandler)
Optional persistent cookie store, saves cookies into your app's SharedPreferences
主页：https://github.com/loopj/android-async-http
下载：https://github.com/loopj/android-async-http/downloads
来自:开源中国社区
