Flutter Social Login with Firebase Auth

Complete guide for implementing Google and Apple Sign-In in Flutter apps using Firebase Authentication.

Package Versions

This skill targets:

google_sign_in v7+ (uses GoogleSignIn.instance.initialize() + authenticate() API)
sign_in_with_apple ^6.0.0
firebase_auth ^5.0.0

Platform	Google Sign-In	Apple Sign-In
Android	✅ Native (Credential Manager)	❌ Skip (requires complex web auth setup)
iOS	✅ Native	✅ Native

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First Seen

Apr 27, 2026

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