Ultimate Compose Multiplatform: Android/iOS + Testing
Build a virtual crypto wallet with Compose Multiplatform purely with Kotlin and Compose for Android and iOS.

Ultimate Compose Multiplatform: Android/iOS + Testing udemy course free download
Build a virtual crypto wallet with Compose Multiplatform purely with Kotlin and Compose for Android and iOS.
Welcome to the Ultimate Compose Multiplatform Course!
◕⩊◕ Interesting Part ◕⩊◕
Ready to master modern, professional cross-platform app development for Android and iOS with pure Kotlin? You’ve come to the right place!
We have covered everything related to Compose Multiplatform in this course:
(MVVM, Clean Architecture, Koin, Material3, Ktor3, Room, Coil, Biometric Authentication, Custom Fonts, Platform-specific icons, Unit Testing, UI testing, and More!)
So, with this single course, you would learn everything to become an industry-ready Kotlin multiplatform developer.
This course is specifically created for modern Kotlin developers who want to take their mobile development skills to the next level. We'll build a practical, feature-rich project—a Virtual Crypto Wallet App called CoinRoutine—while exploring all the latest Compose Multiplatform techniques and best practices.
ಠ_ಠ) Boring Part ಠ_ಠ)
What You'll Build:
Virtual Crypto Wallet App ("CoinRoutine")
Crypto Coins List Screen:
Fetch and display real-time price data for the top 100 cryptocurrencies using Ktor API integration and implement platform-specific formatters for numbers. We'll also set up edge-to-edge UI support.Price Chart:
Use Compose Canvas to create a chart displaying crypto price movements, fully supporting Light & Dark theme.Portfolio Management:
Allow users to track their owned crypto assets and manage their balance using the latest Room database annotations—shared across both Android and iOS.Buy & Sell Simulation:
Enable users to simulate buying and selling cryptocurrency locally, using custom TextFields, input decoration, and visual transformations for the input box.Navigation with Compose Navigation & Safe Args:
Implement structured, safe, and compile-time verified navigation to ensure smooth screen transitions.Robust Error Handling:
Develop a flexible error-handling strategy for both API responses and local database operations, showing clear and user-friendly error messages from Compose resources.Dependency Injection (Koin):
Set up DI using shared and platform-specific modules to keep your app modular, maintainable, and easy to test.
Extra Sections:
Extra 1: Unit & UI Testing
Write Unit Tests for the ViewModel logic behind the Portfolio screen.
Learn Compose UI testing to ensure your screens work flawlessly.
Extra 2: Advanced Features
Implement Biometric Authentication (Face ID & Fingerprint) on both Android & iOS using platform-specific APIs.
Dive deeper into permissions management, custom animations, fonts, and platform-specific icons for a refined user experience.
Why Take This Course?
Extensive & Complete:
We cover many topics—from app architecture, API integration, and error handling to UI polish and advanced features—to prepare you as an industry-ready Compose developer.Real-World Development:
You’ll see how real development actually happens—facing, debugging, and fixing bugs throughout the course.Always Up-to-Date:
Learn using the latest major versions of popular libraries like Kotlin 2, Ktor 3, Koin 4, Coil 3, Room 2.7, and the experimental APIs of Material 3 (as of Feb 2025).
Ready to become an industry-ready Compose developer?
This is my first-ever Udemy course, and I genuinely hope you enjoy the experience and learn a ton along the way.
Enroll now, and let’s start building something incredible together. See you inside!