Web Reference: Feb 20, 2026 · By passing extraData={selectedId} to FlatList we make sure FlatList itself will re-render when the state changes. Without setting this prop, FlatList would not know it needs to re-render any items because it is a PureComponent and the prop comparison will not show any changes. Aug 27, 2025 · In this entire tutorial, we will be dissecting how to utilize the React Native FlatList, what goes on behind the scenes, rendering various types of ListItems, and optimizing your list rendering for improved performance and user experience. Mar 7, 2023 · In this tutorial, we will learn about the FlatList component and its features in React Native. We will also be building a basic todo app to demonstrate the use of FlatList.
YouTube Excerpt: Dive into the world of efficient list rendering with our
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