The Complete React Native Hooks Course Page

Memoize functions and values to prevent unnecessary re-renders.

Replace class-based this.state and this.setState . The Complete React Native Hooks Course

// useFetch.js export function useFetch(url) const [data, setData] = useState(null); const [loading, setLoading] = useState(true); const [error, setError] = useState(null); setData] = useState(null)

Manage state with reducers (predictable state updates). setLoading] = useState(true)