Firebase Cloud Messaging (FCM)
FCM is just a demo of Android Application which implement Firebase Cloud Messaging. It made for Google I/O Extended 2016 Bangkok
Prerequisites
- Supported Android 4.1 or newer
- Android Studio 3.3.2 or higher
- google-services.json in app-level folder
Features
- Subscribe and Unsubscribe with topics
- Get token
- Send message with payload both notification and data
- Send message with a token, token group, a topic, condition
- Handle message both foreground and background
- Customize notification
- Support notification channel for Android 0 or newer
Limitation in the message payload
- Notification : 2KB limit and a predefined set of user-visible keys
- Data : 4KB of custom key-value pairs
Screenshots
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Slide
https://docs.google.com/presentation/d/1HPLk1PXaGUjqTlPB6RHsgrTunJNo10kbGZ-JX_7JELw/edit?usp=sharing