Configure app.json

app.json is the configuration file that defines various settings for your React Native project. It serves as the main metadata file for your app.

1. Open app.json and change your App Name

app.json

2. Now change your Android package name and iOS bundle identifier

2.1. For Android

app.json

2.2. For iOS

app.json

3. To sync with the native code, run the following command in your terminal.

terminal

4. After successfully running the above command, let's configure Firebase.