The Complete React Native Hooks Course May 2026
Use these with React.memo to skip re-rendering child components. 6. useRef – Mutable References & DOM Access Goal: Store mutable values (don't trigger re-renders) or access native elements.
const fetchData = async () => try const response = await fetch('https://api.example.com/data'); const json = await response.json(); if (isMounted) setData(json); catch (error) console.error(error); finally if (isMounted) setLoading(false); ; The Complete React Native Hooks Course
return () => clearInterval(intervalRef.current); , []); Use these with React
// Usage in component function UserList() const data, loading, error = useFetch('https://jsonplaceholder.typicode.com/users'); if (loading) return <ActivityIndicator />; if (error) return <Text>Error: error</Text>; return (/* render data */); const fetchData = async () => try const
Goal: Extract component logic into reusable functions. Example: useFetch – Reusable data fetching // useFetch.js export function useFetch(url) const [data, setData] = useState(null); const [loading, setLoading] = useState(true); const [error, setError] = useState(null); useEffect(() => const abortController = new AbortController();
