About This Course
<div>Stop building small demo apps. Build an Android application a real business could use.</div><div><br></div><div>In Part 5 of The Complete Android 16 Developer Course, you’ll build a complete Point of Sale system from scratch using Kotlin and Jetpack Compose.</div><div><br></div><div>This isn’t a simplified checkout screen or another disconnected tutorial project. You’ll create a production-style electronics retail POS app with a responsive product catalog, live shopping cart, checkout workflow, inventory management, receipt generation, offline storage and sales analytics.</div><div><br></div><div>The product catalog includes smartphones, gaming consoles, computers, GPUs, laptops, accessories and other electronics—giving you a realistic project that looks impressive in a professional portfolio.</div><div><br></div><div>WHAT YOU’LL BUILD</div><div><ul><li>A fast, responsive electronics product catalog</li><li><span style="font-size: 1rem;">Product search, filtering and category navigation</span></li><li><span style="font-size: 1rem;">A live shopping cart managed through a ViewModel</span></li><li><span style="font-size: 1rem;">Quantity controls and automatic total calculations</span></li><li><span style="font-size: 1rem;">Discounts, taxes and checkout validation</span></li><li><span style="font-size: 1rem;">Multiple and partial payment scenarios</span></li><li><span style="font-size: 1rem;">Offline-first storage with Room Database</span></li><li><span style="font-size: 1rem;">Inventory and stock management</span></li><li><span style="font-size: 1rem;">Out-of-stock protection</span></li><li><span style="font-size: 1rem;">Receipt generation</span></li><li><span style="font-size: 1rem;">Refund and transaction handling</span></li><li><span style="font-size: 1rem;">A sales and analytics dashboard</span></li><li><span style="font-size: 1rem;">Clean navigation between application screens</span></li><li><span style="font-size: 1rem;">Loading, empty and error states</span></li></ul><div><div>BY THE END OF THE COURSE</div><div><br></div><div>You’ll have a complete, portfolio-ready Point of Sale application and a much deeper understanding of how professional Android apps are planned, structured and built.</div><div><br></div><div>More importantly, you’ll develop the architectural confidence to create your next application without depending on step-by-step tutorials.</div><div><br></div><div>Enroll now and build the Android project that proves you can ship real software.</div></div></div>
What you'll learn:
- Build a complete, real-world Point of Sale app from scratch with Kotlin and Jetpack Compose
- Scan barcodes and QR codes with CameraX and ML Kit to add items to the cart instantly
- Structure a production-ready app with MVVM and Clean Architecture & Repositories
- Manage complex UI state with ViewModel, StateFlow, and unidirectional data flow so the cart stays in sync across screens
- Store products, categories & orders offline with Room so the app keeps selling without internet
- Implement a full checkout flow with quantities, discounts, taxes, multiple payment methods, and change calculation
- Build inventory management with stock tracking, low-stock alerts, and product images
- Create sales reports and dashboards with charts, filtered by date, cashier, and payment method
- Handle admin and cashier roles with login, permissions, and session management
- Navigate between screens using Compose Navigation with type-safe arguments and nested graphs