An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Thanks!
Instead of to_xml and as_json, simply implement to_api. Return an unformatted hash. Let the model understand the data. Let the controller understand the format. In Rails, the controller can simply call render :xml => model.to_api or render :json => model.to_api.