Connecting my React Native Application with Firebase platform

Continuing our post on My First React Native app, today we will briefly explain how to connect your react native application to the Firebase platform, to quickly start working on your mobile app project.


Firebase is a web and mobile application development platform for building apps faster without managing infrastructure.


  • NoSQL Database
  • Machine Learning Kit
  • Cloud Functions
  • Authentication framework
  • Hosting
  • Cloud Storage
  • Notifications
  • Analytics

React Native

React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI using declarative components.

Official React Native Documentation

Connecting my React Native Application with Firebase

This instructions are based on the Official React Native Documentation and in the Official React Native Firebase plugin Documentation


  • Android Studio

1. Install Node and Watchman


brew install node
brew install watchman

For Ubuntu systems Follow whits instructions

For other systems Refer to Node documentation

2. Install React Native CLI tool

npm i -g react-native-cli

3. Create a new application with the CLI

react-native init firebaseRn

4. Go to Firebase and create an account or log in if you already have a google account

5. Go to the Firebase Console

6. Create a new project

7. On the project folder install the react-native-firebase library

npm install --save react-native-firebase
react-native link

8. Follow the instructions to setup the platform specific library and tools. For this example we will use Android

NOTE: For Android Package Name in Firebase, use the name of your app, in this example case is: com.firebasern NOTE: Make sure you keep your google-services.json at hand because it is required further on the config steps

9. Open the Android Studio in the android folder of the project

10. Open or create an AVD (Emulator)

11. Run your app:

react-native run-android

NOTE: If the apps does not starts on the phone automatically, go to the Apps list and tap to open it

12. Start coding