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React Native Foundations: Architecture, UI, and Scalable App Design teaches you how React Native really works under the hood and how to build apps that scale without becoming messy. It starts by explaining the core rendering model, including how layout is handled by Yoga instead of the DOM, and how the modern JSI and Fabric architecture improve over the older Bridge system. You also learn how work is split across the JavaScript, UI, and shadow threads, and why blocking any of them leads to performance issues like lag and dropped frames. From there, it introduces a strict application architecture with clear separation between UI, domain logic, data handling, and infrastructure, along with dependency rules that prevent tight coupling. You then learn feature-based organization so each part of an app stays independent and maintainable as teams grow. The implementation section covers building real screens with core components, handling navigation and deep linking, and making state management decisions with clear rules for React Query, Zustand or Redux, local state, and persistent storage. Performance is treated as a core concern from the start, with budgets for frame rate, memory, and bundle size, alongside practical techniques for lists, styling, and platform differences between iOS and Android. You also work with forms, input handling, and device APIs like camera and location in a way that respects permissions and user experience. The book ends with hands-on projects like a weather app and a todo app that bring everything together into real-world mobile development practice.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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