Firebase Notification Inbox System

Overview

This is a Flutter application that uses Firebase to receive, store, and display user-specific notifications in real time.

Features

• Username-based login
• Subscription to user-specific topics
• Push notifications using Firebase Cloud Messaging
• Store notifications in Firebase Realtime Database
• Real-time inbox that updates automatically
• Logout with topic unsubscription and session clearing

How It Works

• The user enters a username
• The app subscribes to a topic based on the username
• Notifications are sent to that topic
• The app receives the notification
• The notification is stored in the database
• The inbox updates in real time

Data Structure

notifications: { user_: { : { "title": "Notification Title", "body": "Notification body", "receivedAt": 1712345678 } } }

Technologies Used

• Flutter
• Firebase
• Firebase Cloud Messaging
• Firebase Realtime Database