C2dm with a webservice to get updates from a xml file

is there a tutorial that shows how to use Android Device to Cloud Messaging Framework c2dm with 开发者_高级运维a web service to get updates in an xml file

Here are a couple of resources which show how to use C2DM. I'm using them to build a messaging system with REST calls to a WCF service - the code's not that different. Marakana is pretty good as well as Lars Vogel's Tutorial