I convert my discourse forum to android app. But after installing app, I checked notification option in preference And I found that " This browser Is Not Supported For Push Notification"
Is it start working if I enabled it through “firebase notification” service .
Also, If it possible how can I can Server API key.
Thanks In Advance
AI-generated summary
Changing Push Notification for Discourse White Labeled Android App
The discussion revolves around implementing custom push notifications for a self-built, white-labeled Discourse Android app.
burningman is having trouble with push notifications, receiving a “This browser is not supported for push notification” error. fefrei clarifies that since burningman built their own app, they must implement push notifications themselves.
fefrei suggests taking inspiration from the official Discourse app, which supports notifications for instances hosted by Discourse.org. burningman considers using Firebase, but fefrei advises that custom development will likely be necessary.
riking points to a relevant meta discussion, which explains that setting up a custom push notification system requires using allowed user API push URLs and implementing a push notification receiver that republishes to Apple and Android stores.
Do you mean that you built your own app for your forum, or that you added your forum to the official Discourse app for Android?
Nope, I build my own App, Just turn forum website into android app.
Well, if you built your own app, you’ll have to implement push notifications yourself 
You can get inspiration from the official app which supports notifications for instances hosted by Discourse.org.
Means, I should try to implement firebase . Did firebase works directly or I have to change some settings.
You’ll most likely need to do some custom development (possibly using Firebase).
That’s covered here: