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Live Update Notification Android

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This repository provides a working example of implementing Live Update Notifications on Android 16 ( Android U). It demonstrates how to leverage both Firebase Cloud Messaging (FCM) and local notifications to deliver rich, timely updates to the user.

Examples

🚀 Features

  • 🔔 Live Notifications support on Android 16
  • ☁️ Firebase Cloud Messaging integration
  • 📦 Payload handling and dynamic content updates
  • 📱 Local notification example to simulate live updates without a backend
  • 💡 Best practices for targeting Android 16+ notification behavior

📦 What’s Inside

  • Sample app written in Kotlin
  • Firebase integration (with sample payload format)
  • Notification channel setup and management
  • Code examples to create/update live notifications

🔧 Requirements

  • Target SDK 36 (Android 16)
  • Firebase project (for push notifications)

📚 Getting Started

1️⃣ Clone the Repository

2️⃣ Set Up Firebase

  • Go to Firebase Console and create a new project (or use an existing one).
  • Add an Android app to the Firebase project using your app’s package name.
    • 💡 Tip: You can change the application ID (package name) in build.gradle to match your preferred namespace (e.g., com.yourname.app).
  • Download the google-services.json file and place it in the /app directory.
  • Enable Firebase Cloud Messaging (FCM) in the Firebase Console under Build > Cloud Messaging.
  • Launch the app and tap the "Get FCM Token" button:
    • The token will be shown in a toast and logged in Logcat
    • Copy this token for sending test messages

3️⃣ Run the App

  • Connect a physical device or use an emulator running Android 16
  • Press Run in Android Studio to build and install the app

4️⃣ Test Live Notifications

🔹 Option A: Test with Local Notification

  • Tap the "Send Local Notification" button in the app
  • It creates a live progress notification based on a local NotificationModel instance

🔹 Option B: Test with Firebase Console

  • Go to Firebase Console > Cloud Messaging > Send Your First Message
  • Enter a title and body (these will be overridden by data payload)
  • Open Advanced options → Data
  • In the Target section, select Single Device
  • Paste the FCM token from the app
  • Add the following key-value pairs:

📝 Example FCM Payload

{
  "title": "Live Update Remote Title",
  "body": "Live Update Remote Body",
  "currentProgress": "80",
  "currentProgressSegmentOne": "33",
  "currentProgressSegmentTwo": "33",
  "currentProgressSegmentThree": "33",
  "currentProgressSegmentFour": "33",
  "currentProgressPointOne": "33",
  "currentProgressPointTwo": "66",
  "currentProgressPointThree": "99"
}

  • Click Send Message

    📌 The payload demonstrates segmented and point-based progress tracking in a live notification, perfect for use cases like order tracking, fitness goals, or download status.

Firebase Cloud Messaging (Example)

Important

Check my article for the setup 👉 Implementing Live Update Notifications in Android 16 - Medium 👈

Versioning

Target SDK version: 36
Minimum SDK version: 29
Kotlin version: 2.3.0
Gradle version: 9.0.0

References

https://developer.android.com/about/versions/16/features/progress-centric-notifications
https://github.com/android/platform-samples/tree/main/samples/user-interface/live-updates
https://developer.android.com/develop/ui/views/notifications/build-notification#Updating