I have an Android application with an ASP.NET backend. I have the registration_id for the phone as well as an auth token from google for the application server that is perf
Advice corner: Have some confidence in your code every once and a while! And, even Google messes up sometimes.
After spending about nine hours reading every blog post and article about Google OAuth and C2DM and trying different things in my code, I emailed Google. I'm excited to say that not only did I receive a response very quickly, but also that my account was messed up. Something went wrong while I was registering on their site and although it appeared that everything was working from the registration success email I received, it wasn't. I re-registered and everything works!