Flutter Google Sign-In Tutorial | Firebase Auth Integration Step-by-Step (2025)

Learn how to integrate Google Sign-In with Firebase Authentication in your Flutter app using the latest SDKs in 2025!

This step-by-step tutorial is based on the updated google_sign_in: ^7.1.1 and firebase_auth integration — fully compatible with the latest Flutter and Firebase SDKs.

What you’ll learn in this video:
How to configure Firebase Console for Google Sign-In (2025 updates)

Setting up Google Sign-In for Android and iOS

Adding and configuring the latest Flutter dependencies for authentication

Handling common errors and bugs with 2025 fixes

Firebase Console setup (2025 update)

Google Sign-In configuration for Android & iOS

Adding the latest Flutter dependencies
→ google_sign_in: ^7.1.1
→ firebase_auth: ^latest

Sign-in and Sign-out logic in Dart

Handling common errors (2025 fixes)

💡 Perfect for:
Beginners and intermediate Flutter developers who want to implement secure, modern social login.
Download the source code here:
https://flutterroot.gumroad.com/l/auth
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