Flatlist not rendering. Aug 12, 2025 · React.

Flatlist not rendering. 72. Sep 13, 2023 · It seems that there is a bug on the react-native flatlist while trying to render a list of items. When there are interactions such as state changes, there is an update in the list and all the list items are displayed properly. Sometimes only some of the list items are displayed. . But what about when new items are added or removed? Sep 18, 2017 · We are using FlatList to render Message Items and after the Flatlist has been rendered we are using scrollToBottom to go to the last item. We can use this function to optimize the components in the FlatList. This post focuses on optimizing FlatList to prevent unnecessary re-renders when list item values change. Aug 12, 2025 · React. Dec 16, 2022 · It's easy to display a simple list, but using data in an unsuitable structure can lead to unnecessary re-renders and performance issues. memo() creates a memoized component that will be re-rendered only when the props passed to the component change. I suspect there are two issues at hand: one is that your FlatList is not filling the screen (namely its parent view) and the other is that your Printer component is not being sized correctly. React Native Version 0. 4 Output of npx react-native info System See full list on reactnative. The Flatlist is working without any issues when having about 20 items, but when we have many items it is NOT always rendering them and not display them at all. dev In this guide, we'll dig into the problem of the FlatList not re-rendering after data removal and how to effectively resolve it. zgmbk iqriex aymdiz gsquu edswy icowbgrh sfyb gxppp bakpn cmzwha