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I am using firebase realtime database in my app and i want to send fixed notifications automatically when there is a changed in realtime database but firebase cloud messaging only offers manual sending of notifications which does not meet the real-time monitoring objective of my app.

2

Answers


  1. Okay that’s the problem I was facing while making my Chat app.

    There are two ways to send real-time notification using FCM (Firebase Cloud Messaging).

    1.Through firebase console.

    2.Using API provided by firebase for FCM.

    Read about the API below:

    1.https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages

    2.https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages/send

    So when there is a change in data realtime DB of Firebase you should make a post request to the given API,and the API automatically send notification to the respective person with a particular FCM token.

    For step by step implementation,read the medium article below .

    https://selvaganesh93.medium.com/firebase-cloud-messaging-important-rest-apis-be79260022b5

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  2. This can be implemented using FCM. By simply sending POST requests with some parameters from your server.

    Here is the documentation: https://firebase.google.com/docs/cloud-messaging/server

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