Explain the process of integrating a push notification service with a backend server.
- Implement custom WebSocket communication for real-time push notifications
- Integrate OneSignal SDK and configure it with the backend server
- Use Firebase Cloud Messaging (FCM) and set up a server with FCM API key
- Utilize local notification services and send push messages directly to the device
Integrating a push notification service involves choosing a service like Firebase Cloud Messaging (FCM) and configuring it with your backend server. FCM provides a reliable and scalable solution for sending push notifications to mobile devices. The process typically involves obtaining an API key, setting up the required dependencies, and handling messages on both the server and client sides. Understanding this process is crucial for developers implementing real-time communication in Flutter applications.
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