问题
I am using Firebase database in my app, and I need to send a notification to the Admin when a new order is added to the database "new child added to the database".
I found something called Firebase cloud messaging but I don't know how to use it.
Any help, please?
回答1:
The Firebase Cloud Messaging is used to send push notification to a devices or a group of devices.The thing that you want to achive can be implemented by using Cloud Functions for more details
HERE
Codelab
You need to specify a node which will be trigger when a child is added to a database in cloud function and than in that cloud function you can write your logic to send push notification to the admin
This Example will help to you start with
来源：https://stackoverflow.com/questions/47406899/send-notification-when-new-child-is-added-to-firebase-database