Add Flutter push notifications with Firebase Cloud Messaging

This tutorial offers a comprehensive guide on integrating push notifications into a Flutter application using Firebase Cloud Messaging (FCM). It highlights the importance of user engagement in mobile apps and explains the setup and implementation process for both Android and iOS platforms, providing step-by-step instructions and code examples. The tutorial covers initial Firebase setup, Flutter plugin installation, building a simple user interface, and handling both foreground and background notifications. Additionally, it details how to send notifications through the Firebase console and retrieve data messages within the app. The tutorial concludes with guidance on further customization options for push notifications and suggests enhancing the app with Firebase authentication for a more robust user experience.