Push notifications are messages that pop up on mobile devices. App publishers can send them at any time; even if the recipients aren’t currently engaging with the app or using their devices.
Before continuing, please be sure that you have completed all of the steps in Getting started.
Important Note About GCM
Google has deprecated Google Cloud Messaging. The GCM server and client APIs have been removed on May 29, 2019. This is why we recommend that you use FCM to send Push Notifications to your users.
If you were using GCM previously, then please follow this guide to migrate to FCM. Prefer videos? Here's one to walk you through all the steps of migration.
Updated about a month ago
So, what's next?
|Firebase Cloud Messaging integration|