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Android Development Masterclass

Remote Notifications Using Firebase Cloud Messaging

Explore how to set up Firebase Cloud Messaging in your Android application to handle remote notifications. Learn to add dependencies, create messaging services, override key methods, and register services in the manifest. Understand basic notification handling and token management to build on advanced use cases.

We'll cover the following...

Introduction

Firebase Cloud Messaging allows us to send notification messages to the user’s device. It can also be used for instant messaging since it supports a payload of up to 4,000 bytes.

Note: We need to create a Firebase project and configure the app before we can start using Firebase Cloud Messaging in the project.

Add a library dependency

Let’s start by adding the dependency for Firebase Cloud Messaging in the app/build.gradle file.

C++
dependencies {
    implementation platform('com.google.firebase:firebase-bom:29.0.4')
    // add cloud messaging dependency
    implementation 'com.google.firebase:firebase-messaging-ktx'
}

Define a messaging service

Next, ...