What are the key features of FlatList in React Native?

What are the key features of FlatList in React Native?

FlatList is a performant component for rendering large lists in React Native. Key features include: 1. Virtualization: Only renders items that are currently visible on the screen, improving performance. 2. Item separation: Easily add separators between items. 3. Pull to refresh: Built-in support for pull-to-refresh functionality. 4. Infinite scrolling: Load more data as the user scrolls down. 5. Customizable: Supports custom renderers for items.

How does FlatList handle large datasets?

FlatList uses virtualization to efficiently manage large datasets. It only renders items that are currently visible on the screen, which reduces memory usage and improves performance. As the user scrolls, FlatList dynamically loads and unloads items.

Can I customize the item layout in FlatList?

Yes, you can customize the item layout in FlatList by using the renderItem prop. This allows you to define how each item should be displayed, including custom styles and components.

What is the difference between FlatList and ScrollView?

The main difference is that FlatList is optimized for large datasets with virtualization, while ScrollView renders all items at once, which can lead to performance issues with large lists.