Full Guide to Google Sign-In in Android (Firebase + Jetpack Compose)

Published: 27 April 2026
on channel: Implevex
103
3

In this video, you'll learn how to implement Google Sign-In in Android using Firebase and Jetpack Compose, including how to handle ID tokens, use Credential Manager, and fix common issues like SHA-1 fingerprint errors in release builds.

We’ll also break down how OAuth token exchange works, how FirebaseAuth uses signInWithCredential, and how to manage user sessions without building your own backend.


Chapters:

00:00 Intro & Demo
00:07 Setting up the Firebase Project
02:31 Designing the UI with Compose
04:10 Creating the AuthenticationManager
09:52 Building the HomeViewModel
11:41 Connecting the UI to StateFlow
15:20 Handling Auto-Login & Session Persistence
18:08 Clean Architecture Packaging & Release SHA-1 Setup

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