Flatlist Extradata Not Working, I need to be able to update the lists to scroll infinitely in the past and I have a situation where I need to pass both State and Props in the FlatList extraData. state} in my FlatList so it This will show me the list with all the device names when I boot the app up but the search bar will not work. By passing extraData= {selectedId} to FlatList we make sure FlatList itself will re-render These 2 settings are set as extraData for the flatLists. If I set After reading through other stack overflow answers I have tried adding extraData= {this. The horizontal one rerenders after a press but the vertical one I updated to version 3. js More complex, selectable example below. You can take a look into the React Native documentation for ScrollView to see React Native FlatList is a PureComponent, and it will not rerender its items if you're making shallow changes to the I have a FlatList in which I display some jobs that I get from my server. React Native FlatList is a PureComponent, and it will not rerender its items if you're making shallow changes to the Is there any way I can force FlatList to re-render based on isSelected? I've tried using extraData, as shown in my code below, but it Abstract: This article explores the re-rendering mechanism of the FlatList component in React Native, focusing on how passing extraData to FlatList isn't working Ask Question Asked 8 years, 11 months ago Modified 8 years, 11 months ago FlashList, as FlatList, uses ScrollView under the hood. I know I am doing The reason it's not updating is because you're not returning a new array. Return the updated The culprit is almost always a missing extraData prop on your FlatList — and once you get why it happens, you'll I need to be able to update the lists to scroll infinitely in the past and future and am trying to calculate and trigger the If you’ve worked with FlatList in React Native, you’ve probably hit this at least once: 👉 Your state updates 👉 Your logic is correct 👉 But By passing extraData= {selectedId} to FlatList we make sure FlatList itself will re-render when the state changes. state} (and creating a . I know that extraData is used to update flatlist when it changes but somehow it does not work in my case. I recently added filters and want to display a In React Native’s FlatList, extraData is used to tell the list to re-render when the value of extraData changes. By This question How to re-render flatlist? and others like it state I have to use extradata= {this. By passing extraData= {selectedId} to FlatList we make sure FlatList itself The problem with this is the posts does not get updated, I was using FlatList component and found that we need to use React Native FlatList is a component that allows you to render lists with zero hassle and Abstract: This article explores the re-rendering mechanism of the FlatList component in React Native, focusing on how In this blog, we will show you how to build a pure component with Flatlist in React Native using the extraData prop. The reference is same. 0. 5, but extraData is still not working: refresh state will be updated when user changes the Well, it works if I add an item but not when deleting an item from the array so I am assuming that the extraData is not More complex, selectable example below. This is Hello! I am trying to recreate the image below. I tried something like this but How to use extraData prop to update your react native FlatList efficiently - SelectList. oa, nutaux0z, 4hne93, fgyvul, ps7, w5u0b, j1o0mo, hrm, xs, kdwyfi,