Step-by-Step guide to setup FCM Push notifications in react native Android app.
Create a Firebase project in the firebase console
Adding google-services.json to your project
Adding Firebase dependencies and plugins
Implementing push
Token Generation and Notification handled By SDK [Recommended]
Token Generation and Notification handled By Your Application
Add POST_NOTIFICATIONS permission in AndroidManifest.xml if not present already.
Call the SDK method to show a notification permission popup