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E-Commerce App Dev – Updating the Qty Option (React Native, Cart Logic, Redux, TypeScript)

🔥 In Part 24 of our E-Commerce Hybrid App Development series, we add functionality to update product quantity in the cart. A seamless quantity selector is essential for improving user control and cart accuracy—especially in mobile shopping experiences.

📌 What you’ll learn in this video:
✅ Adding a quantity selector UI to the product/cart screen
✅ Managing quantity state using Redux
✅ Handling increment/decrement actions
✅ Validating quantity limits (e.g., min 1, max stock)
✅ Syncing changes with cart and product detail views
✅ Updating total price dynamically based on quantity
✅ Designing a clean, responsive quantity selector
✅ Preparing for real backend updates (optional)


💡 Why Updating the Qty Option Matters:
▶️ Gives users control over their purchase decisions
▶️ Reduces friction before checkout
▶️ Aligns with real-world e-commerce expectations
▶️ Supports accurate pricing and inventory calculations
▶️ Forms a critical part of the shopping cart experience

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