Expo Firebase Example Config

app.json

{
  "expo": {
    "ios": {
      "bundleIdentifier": "com.myawesomeapp",
      "googleServicesFile": "./GoogleService-Info.plist"
    },
    "android": {
      "package": "com.myawesomeapp",
      "googleServicesFile": "./google-services.json"
    },
    "web": {
      "config": {
        "firebase": {
          "apiKey": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
          "authDomain": "myaswesomeapp.firebaseapp.com",
          "databaseURL": "https://myaswesomeapp.firebaseio.com",
          "projectId": "myaswesomeapp",
          "storageBucket": "myaswesomeapp.appspot.com",
          "messagingSenderId": "99999999999999",
          "appId": "1:XXXXXXXXXXXXX:web:XXXXXXXXXXXXXXX",
          "measurementId": "G-XXXXXXXXXXXX"
        }
      }
    }
  }
}

usage.ts

import * as Analytics from 'expo-firebase-analytics';

Analytics.logEvent('share', {
  contentType: 'text',
  itemId: 'Expo rocks!',
  method: 'facebook'
});