I\'ve setup an Android app with GCM support, and have a little test app to send a msg to the app. When I run the App in the emulator, I can see (via logging msgs) that it re
We had the same problem, but it varied from network-to-network. We think it was the home hub router (a Virgin Super Hub) dropping the connection after five minutes of inactivity. You can confirm by sending an empty GCM message every two minutes to keep the connection alive.
Here is a more in-depth explanation of what we did: https://groups.google.com/d/msg/android-gcm/Y33c9ib54jY/YxnCkaPRHRQJ