GCM msg delivery times are WILDLY erratic

Question

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

Answer 1

GCM is reportedly having a pretty severe problem with keep-alive heartbeat not being so reliable. Therefore, since it's only dispatched once every 15 minutes (over 3G) or 28 minutes (over Wifi), if for some reason the server connection is dropped, it may not be restored for several long minutes.

These type of shenanigans prompted developing a solution that does not rely on a 3rd-party network to deliver massively-scalable and reliable push notifications to offline (backgrounded) Android apps.

https://help.pubnub.com/entries/21720011-Can-my-Android-App-Receive-Messages-While-Inactive