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Chat app with React Native: Create and Fetch Real-Time Messages with Firestore

We’re going to connect every chat functionality we’ve built so far with a real-time database service from Firebase, called Firestore. You’re going to learn how to: store chat messages of each thread/chat room in Firestore collection create sub collections inside a Firestore collection add a feature to display most recent message for each chat room on home screen fetch data from a Firestore collection And a few other things along the way. Let’s get started.