Droid-fu is an open-source library with a handful of methods that can karate-chop your development time drastically. Droid-fu is comprised of utility classes that do all the mundane heavy lifting for you, such as handling asynchronous background requests, retrieving images from the web, and, most amazingly, enhancing the application life cycle. Never worry about state changes because droid-fu handles all of it and much more. Don't just sit there. Start earning your black belt in droid-fu today! Source code: http://github.com/kaeppler/droid-fu.