clarify why foreground FCM usage isn't common

This commit is contained in:
Daniel Micay 2021-04-06 22:14:07 -04:00
parent eeeeed6b3d
commit d7bec67ccc

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@ -1077,8 +1077,8 @@
notifications when they're in the foreground. Unfortunately, many apps don't
implement a service to continue receiving events from their server in the
background. On the stock OS, they rely on receiving events through Google
servers via Firebase Cloud Messaging (FCM) in the background, and sometimes
also in the foreground.</p>
servers via Firebase Cloud Messaging (FCM) in the background and sometimes
even in the foreground, although it doesn't have good reliability/latency.</p>
<p>Polling is the traditional pull-based approach of checking for new events
at an interval. This is badly suited to mobile devices for anything more than