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Free·Interactive exercise

Advanced Hooks and Composition in React Native with TypeScript

Dive into the world of advanced React Native hooks and component composition with TypeScript in this beginner-friendly tutorial. Learn practical tools like useRef for managing references and mutable values, useMemo for optimizing calculations, and useCallback for function memoization. Explore how to create custom hooks to reuse logic across components and master composition patterns like compound components to build flexible, maintainable UIs. Through hands-on coding exercises and quizzes, you’ll gain skills to improve performance and code quality in real-world mobile applications. This 60-minute course is designed to take you from basic hooks to advanced techniques, ensuring you can apply these concepts immediately in your projects.

This exercise includes

Technical Skills
TYPESCRIPTREACT NATIVEMOBILE DEVELOPMENT
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Real code, real-time output
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Skill level

BEGINNER

Access

Free

Prerequisites

None

About this exercise

Dive into the world of advanced React Native hooks and component composition with TypeScript in this beginner-friendly tutorial. Learn practical tools like useRef for managing references and mutable values, useMemo for optimizing calculations, and useCallback for function memoization. Explore how to create custom hooks to reuse logic across components and master composition patterns like compound components to build flexible, maintainable UIs. Through hands-on coding exercises and quizzes, you’ll gain skills to improve performance and code quality in real-world mobile applications. This 60-minute course is designed to take you from basic hooks to advanced techniques, ensuring you can apply these concepts immediately in your projects.

Syllabus

See the content included in this exercise

1

Welcome to Advanced Hooks in React Native

Get an overview of the advanced hooks you will explore in this course, including useRef, useMemo, and useCallback, and how they boost performance.

2

Understanding the Basics of useRef

Learn how useRef stores mutable values without re-renders and how to access native components like TextInput in React Native.

View content▾
  • READ
    useRef for DOM References
  • READ
    useRef for Mutable Values
  • CODE
    Practice: Timer with useRef
  • QUIZ
    Knowledge Test on useRef
3

Introduction to useMemo

Learn to use the useMemo hook in React Native to memoize expensive calculations and optimize component performance with TypeScript.

View content▾
  • CODE
    Implement useMemo in a Product List
  • QUIZ
    Assessing Your Understanding of useMemo
4

What is useCallback?

Learn what useCallback is, how it memoizes functions, and when to use it to prevent unnecessary re-renders in child components wrapped with React.memo.

View content▾
  • READ
    useCallback for Function Optimization
  • CODE
    Practice: Optimization with useCallback
  • QUIZ
    Understanding useCallback
5

Introduction to Custom Hooks

Learn to encapsulate repetitive logic into custom hooks like useFetch, keeping your components clean and reusable while managing state and effects.

View content▾
  • READ
    Creating a useDebouncedValue Hook
  • CODE
    Implementing a Custom Hook
  • QUIZ
    Custom Hooks

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