Asynchronous Http Client for Android An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries. Features 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 Documentation, Features and Examples Full details and documentation can be found on the project page here: http://loopj.com/android-async-http/