How To Use the FlatList Component in React Native

How To Use the FlatList Component in React Native

Learn how to use the FlatList component in React Native. This tutorial shows you how to use the FlatList component to display lists of items in React Native apps. The FlatList component in React Native is the lazy loader we use. Lazy loading is a way of loading long lists by simply loading what needs to be displayed.

This post shows you how to use the FlatList component to display lists of items in React Native apps, implement pull to refresh, and infinite

Every app needs lists. Your todo app, your stocks app, your notes app, your mail app, and so on and so forth…

But imagine if the Mail app needed to load all your 2352 unread emails when you open the app, it would take a very long time depending on the specs of your phone. That’s why we use something called lazy loading.

In short, lazy loading is a way of loading long lists by simply loading what needs to be displayed. Lists such as the Android RecyclerView go a step further to improve performance and loading times even more. The FlatList component in React Native is the lazy loader we use.

I remember when I first used the component, I was a bit terrified because it wasn’t the same as populating a ScrollView. But after I learned to use it I never returned to ScrollView for lists of unknown length.

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