We are creating a program that provides PUSH notifications using GCM.
There are cases where the Android device is notified of Push, but the notification details are not received.
There are no errors from GCM.
I wonder if the telegraphic message notified by Push is sometimes lost.
If anyone knows, could you please let me know?
Firebase Cloud Messaging seems to have improved the reliability of the Message Push, but GCM may not reach clients.
Here are some of the topics mentioned in , so I hope it will be helpful.
Other features added in Android 6.0
Doze must be a high-priority Push or it will be discarded according to the TTL.
when using normal priority (the default priority), there are a number of different behavior when the device is in Doze, including:
How Google Cloud Messaging handles Doze in Android 6.0 Marshmallow
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