Kotlin and Android Development featuring Jetpack

Send Cloud-Based Alerts with Push Notifications

I want to make the scope of this section very clear from the get-go: we’re focusing on the client-side of push notifications, meaning the app that consumes the messages. The server-side piece is out of scope for this book, so I’ve added some logic to the ABL APIs that we can use when building our handlers. I would have liked to add both sides of push notifications in here, but we’re already 325+ pages into the book, so I’m instead making that piece a free blog for everyone.^[13]

For our push notifications, we’re using Google’s Firebase platform and in particular the Firebase Cloud Messaging library, and we have a bit of setup we need to go through before we can get rolling.

Configure Firebase Cloud ...