Complete React Native Hooks Course: The

if (loading) return <ActivityIndicator size="large" />; return ( <View> <Text>JSON.stringify(data)</Text> </View> );

return <Button title="Go back" onPress=() => navigation.goBack() />; The Complete React Native Hooks Course

src/ ├── hooks/ │ ├── useFetch.js │ ├── useDebounce.js │ └── useFavorites.js (useReducer based) ├── contexts/ (ThemeContext, FavoritesContext) ├── screens/ (FeedScreen, DetailScreen, FavoritesScreen) └── components/ (NewsCard, SearchBar) ✅ Core hooks: useState , useEffect , useContext ✅ Performance hooks: useCallback , useMemo , React.memo ✅ Refs: useRef for mutable values and DOM access ✅ Advanced: useReducer , custom hooks, navigation hooks ✅ Rules of hooks – no conditional calls ✅ Testing & debugging – DevTools, unit tests ✅ Real-world patterns – infinite scroll, debounced search, cleanup functions ✅ Final project – fully functional React Native app using hooks exclusively if (loading) return &lt

const fetchData = async () => try const res = await fetch(url, signal: abortController.signal ); if (!res.ok) throw new Error('Network error'); const json = await res.json(); setData(json); catch (err) if (err.name !== 'AbortError') setError(err.message); finally setLoading(false); ; ActivityIndicator size="large" /&gt

import React, useState from 'react'; import View, Text, Button, TextInput from 'react-native'; export default function UserInput() const [name, setName] = useState(''); const [submitted, setSubmitted] = useState(false);

return () => isMounted = false; ; // Cleanup on unmount , []); // Empty array = run once after mount

// 1. Create context const ThemeContext = React.createContext('light'); // 2. Provide value at a top level export default function App() return ( <ThemeContext.Provider value="dark"> <ThemedComponent /> </ThemeContext.Provider> );