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https://github.com/hmasum52/fcmbasics

This project is about how to add FCM in android and how to send notification from one device to another or a group of topic subscriber.
https://github.com/hmasum52/fcmbasics

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This project is about how to add FCM in android and how to send notification from one device to another or a group of topic subscriber.

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# FCM Android Basics
Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages at no cost.

Using FCM, you can notify a client app that new email or other data is available to sync. You can send notification messages to drive user re-engagement and retention. For use cases such as instant messaging, a message can transfer a payload of up to 4KB to a client app.

This project is about how to add FCM in android and how to send notification from one device to another or a group of topic subscriber.
## Official documentation
- [Overview](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages)
- [Introduction](https://firebase.google.com/docs/cloud-messaging)
- [Android](https://firebase.google.com/docs/cloud-messaging/android/client)

## Tutorial followed
- [Java and volly](https://www.youtube.com/watch?v=OTomezM0ia8&list=PL2sOBQWr1QlOgTPmwEtQ3SASLEial0wZ8&index=1)
- [Kotlin and retrofit](https://www.youtube.com/watch?v=HoFWPPv1ih8)