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androidiosfirebasefirebase-cloud-messaging
PepsiMax
PepsiMax

Reputation: 1

Can Firebase/FCM deliver scheduled notifications with no internet and app not running?

I have read the FCM can deliver notifications to Android-phones for an app, even if that app isn't running, either after a reboot or force close, since it uses Google Play services. Can anyone confirm this, and if so, what's the minimum OS-version of Android for this to work?

Also, does the same go for iOS? Can FCM deliver notifications without the app running at all?

Basically what I want to do is have FCM deliver notifications scheduled for display some time in the future to Android and iOS, so store and display these even if the phone is off the grid and the app is not running. If possible, is there a max number of scheduled notifications Android and iOS can store?

Upvotes: 0

Views: 389

Answers (1)

Frank van Puffelen
Frank van Puffelen

Reputation: 600006

firebaser here

Firebase Cloud Messaging can indeed deliver messages to the device even when your app is not running. There's no specific minimum version for this functionality, as it's been in Android since its first release, but check the Firebase documentation for the minimum version of the SDK you use.

It is also possible to deliver a message now for display at a later time. For that you'll want to send a data message and then in your code that receives the message schedule a job to later display a local notification.

All of this is covered both in the Firebase documentation, but also in many tutorials out there. I recommend searching for some of those, giving them a try, and reporting back with a more concrete question if you can't get it to work.

Upvotes: 1

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