How to Integrate Facebook Login With A Mobile App Using Firebase?

6 minutes read

To integrate Facebook Login with a mobile app using Firebase, you will need to follow a few steps:

  1. Set up a Firebase project: Go to the Firebase console ( and create a new project. Add an Android or iOS app to your Firebase project.
  2. Set up Facebook Developer account: Go to the Facebook developer website ( and create a new app. Configure the app's basic settings and obtain your Facebook App ID.
  3. Install necessary dependencies: Add the Firebase SDK and the Facebook SDK to your app's build.gradle file.
  4. Configure Facebook Login in Firebase console: In the Firebase console, go to the Authentication section and enable Facebook as a sign-in provider. Enter your Facebook App ID and App Secret in the appropriate fields.
  5. Configure Facebook Login in your app: For Android: Update the AndroidManifest.xml file by adding the necessary permissions and metadata elements, such as the Facebook App ID. For iOS: Update the Info.plist file by adding the necessary entries, such as the Facebook App ID.
  6. Implement Facebook Login functionality: In your app's code, initialize the Facebook SDK and configure the LoginManager. Create a Facebook Login button or custom UI for the login process. Handle the Facebook login callback and exchange the Facebook access token for a Firebase credential.
  7. Authenticate users with Firebase: Once you have obtained the Firebase credential, use it to sign in or link with a Firebase user account. Handle the authentication result and provide appropriate actions or UI updates.
  8. Store and retrieve user data: Depending on your app's requirements, you can store additional user information in Firebase's Firestore or Realtime Database. Use Firebase APIs to manage user data and provide personalized experiences in your app.

It is important to note that the exact implementation details may vary based on the platform (Android or iOS) and the development framework you are using. Make sure to refer to the official Firebase and Facebook documentation for more specific instructions and code examples.

How to enable Facebook Login in Firebase console?

To enable Facebook Login in Firebase Console, follow these steps:

  1. Go to the Firebase Console webpage (
  2. Sign in to your Firebase account or create a new account if you don't have one.
  3. Select your project from the list or create a new project.
  4. In the left sidebar, click on the "Authentication" tab to open the Authentication section.
  5. Under the "Sign-in method" tab, click on the "Facebook" sign-in provider.
  6. Click on the "Enable" toggle to enable Facebook Login.
  7. You will be prompted to input your Facebook App ID and App Secret. To obtain these, you need to create a Facebook App and configure it. Go to the Facebook Developers website ( and sign in with your Facebook account.
  8. Create a new app by clicking on "My Apps" dropdown in the top-right corner and selecting "Create App". Follow the instructions to set up your app and obtain the App ID and App Secret.
  9. Copy and paste the App ID and the App Secret into the corresponding fields in the Firebase Console.
  10. Click on the "Save" button.

Facebook Login should now be enabled in your Firebase Console. You can test it by going to your app and implementing the Facebook Login using the Firebase Authentication SDK.

What is the advantage of integrating Facebook Login with a mobile app?

There are several advantages of integrating Facebook Login with a mobile app:

  1. Simplified login process: Facebook Login allows users to sign in to the mobile app using their existing Facebook credentials. This eliminates the need for users to remember and enter a separate username and password for the app, providing a seamless and efficient login experience.
  2. Enhanced user experience: By integrating Facebook Login, mobile apps can access a user's basic profile information, such as name, email, and profile picture. This information can be used to personalize the app experience, tailor content, provide social interactions, and create a more engaging user experience overall.
  3. Increased user acquisition and engagement: With Facebook Login, new users can easily create an account and sign in to the mobile app without the hassle of manually entering information. This simplification can lead to increased user acquisition and higher app download rates. Additionally, by leveraging Facebook's social graph, apps can encourage social sharing and enable users to invite and connect with their friends, boosting user engagement and retention.
  4. Secure authentication: Facebook Login utilizes OAuth 2.0 protocol, ensuring a secure and reliable authentication process. By relying on the strength of Facebook's security infrastructure, mobile apps can avoid developing their own complex authentication systems, reducing the risk of security vulnerabilities.
  5. Data-driven insights: Integrating Facebook Login enables mobile apps to access anonymized demographic data from users' Facebook profiles. This data can be leveraged for targeted marketing, personalized recommendations, and understanding user behavior to optimize app performance and drive business growth.
  6. Cross-platform compatibility: Facebook Login can be integrated seamlessly across multiple platforms, including iOS, Android, and web. This allows users to easily switch between devices while maintaining a consistent login experience, making it convenient for users and expanding the app's reach.

Overall, integrating Facebook Login with a mobile app provides a convenient, personalized, and secure login experience, along with potential boosts in user acquisition, engagement, and insights.

What is the process of integrating Facebook Login with Firebase using React Native?

To integrate Facebook Login with Firebase using React Native, follow these steps:

  1. Set up a Firebase project: Go to the Firebase console website and create a new project. Follow the instructions to set up the project and enable the Firebase Authentication service.
  2. Set up a Facebook app: Go to the Facebook Developers website, create a new app, and configure the app settings. Make sure to enable Facebook Login and add the facebookLoginURLScheme under the iOS section of the app settings.
  3. Install the necessary dependencies: In your React Native project directory, install the react-native-firebase and react-native-facebook-login packages. You can use npm or yarn for this. npm install react-native-firebase react-native-facebook-login
  4. Configure the Firebase and Facebook SDKs: Follow the instructions in the Firebase and Facebook documentation to configure the SDKs for your project. You'll need to add the necessary configuration files and update your project files accordingly.
  5. Implement the Facebook Login button: In your React Native code, import the necessary components from react-native-firebase and react-native-facebook-login. Use the LoginManager component from react-native-facebook-login to handle the Facebook login process. Implement a button or UI element that triggers the login process when clicked. import React from 'react'; import { View, Button } from 'react-native'; import firebase from 'react-native-firebase'; import { LoginManager, AccessToken } from 'react-native-facebook-login'; const LoginScreen = () => { const handleFacebookLogin = async () => { try { const result = await LoginManager.logInWithPermissions(['public_profile', 'email']); if (result.isCancelled) { throw new Error('User cancelled the login process'); } const tokenData = await AccessToken.getCurrentAccessToken(); const credential = firebase.auth.FacebookAuthProvider.credential(tokenData.accessToken); await firebase.auth().signInWithCredential(credential); // User is now signed in with Firebase } catch (error) { console.log('Error occurred during Facebook login:', error); } }; return ( ); }; export default LoginScreen;
  6. Test the integration: Build and run your React Native project on an iOS or Android device or simulator. Verify that the Facebook Login button appears and that the login process works as expected. You should see the user being signed in to Firebase after successfully logging in with Facebook.

Note: Make sure you have added the necessary configurations in your AppDelegate.m (for iOS) and (for Android) files as specified in the Firebase and Facebook documentation.

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