Whats App Clone Compose

Abstract

1. Introduction

This is a WhatsApp clone app built with Stream Chat SDK for Compose to implement messaging systems and Stream Video SDK for Compose using Jetpack Compose

Each layer has different responsibilities below. Basically, they follow unidirectional event/data flow.

2. Objective

📱 WhatsApp clone project demonstrates modern Android development built with Jetpack Compose and Stream Chat/Video SDK for Compose.

This project demonstrates how Kotlin, Android, Jetpack Compose can be applied to a real-world Mobile App Development problem.

4. Technology Stack

• Part 1: Build a Real-Time WhatsApp Clone With Jetpack Compose
• Part 2: Build Video Calling for Your Android WhatsApp Clone With Jetpack Compose
• Minimum SDK level 21.
• 100% Jetpack Compose based + Coroutines + Flow for asynchronous.
• Compose Chat SDK for Messaging: The Jetpack Compose Chat Messaging SDK is built on a low-level chat client and provides modular, customizable Compose UI components that you can easily drop into your app.
• Compose Video SDK for Video Calling)
• Compose: Android’s modern toolkit for building native UI.
• ViewModel: UI related data holder and lifecycle aware.

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

• Android Studio (latest)
• JDK 17
• Android device or emulator
• Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/GetStream/whatsApp-clone-compose.git
cd whatsApp-clone-compose

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

• Add push notifications with Firebase Cloud Messaging
• Add offline support with local caching
• Publish an internal test build on the Play Store

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

1. Which framework is used and why (native vs cross-platform)?
2. How is app state managed across screens?
3. Where is the data stored — locally, Firebase or a REST backend?
4. How are permissions (camera, location, storage) handled?
5. How would you publish this app to the Play Store / App Store?

9. Source Code & License

This project is developed by GetStream and published on GitHub under the Apache License 2.0. Please follow the license terms and credit the original author when you use or modify this code.