ClientLogin for Installed Applications for C2DM - Tutorial
Before you can write client applications that use the C2DM feature, you must have an HTTPS application server that meets the following criteria:Able to communicate with your client. Able to fire off HTTP requests to the C2DM serve r. Able to handle requests and queue data as needed. For example, it should be able to perform exponential back off. Able to store the ClientLogin Auth token and client registration IDs. The ClientLogin Auth token is included in the header of POST requests that send messages. For more discussion of this topic, see ClientLogin for Installed Applications . The server should store the token and have a policy to refresh it periodically. The ClientLogin authorization process: Authorization with ClientLogin involves a sequence of interactions between three entities: the installed application, Google services, and the user. This diagram illustrates the sequence: When the third-party application needs to access a user's Googl...