Send notification to only one user in firebase [closed]

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Closed 2 years ago.

I have an android app and I want to send notifications to only one user when data is change. How can I do that. Tell ma part of code I put in OnDataChange() Method.

回答1:

You can make topic for this user and subscribe to that topic then Firebase allow us to send message to specific topic using topic message. Kindly Look at this link

https://firebase.google.com/docs/cloud-messaging/android/topic-messaging

and this

How to send notification to specific users with FCM?

Hope it will help .

来源：https://stackoverflow.com/questions/45135846/send-notification-to-only-one-user-in-firebase