While building an application which deals with messaging, the most important part is keeping track whether they are online/offline (formally known as User Presence). But, if you are using Firebase Cloud Firestore as your database, then handling this is pretty challenging.

In this article, I will show you how to manage user presence in a Flutter app using Cloud Firestore as it’s database.

We will be using Realtime Database and Cloud Functions to achieve this.

#flutter #database #firebase #programming #developer