Jan 22, 2019 · I was struggling with the same problem, the only thing that worked from amongst these answers was Arjun Jain's but the moment you do that the FlatList can no longer determine the correct number of items to render and ceases to be efficient (and in my case, the list of items is 2000+ entries so this matters).

Jul 26, 2017 · i am using Flatlist from react-native and ListItem from react-native-elements, i want to initially limit the number of list-items that are loaded on the screen.Otherwise it loads all the items that i have initially . Suppose i have 300 list items but initially i only want to load 10 items ,instead of 300. MY CODE:

Aug 10, 2017 · Determines the maximum number of items rendered outside of the visible area, in units of visible lengths. So if your list fills the screen, then windowSize={21} (the default) will render the visible screen area plus up to 10 screens above and 10 below the viewport.

Nov 18, 2015 · Adding to this, I came to this question searching how to center items on my horizontal FlatList when there were not enough items to fill the width of the screen, and this worked great. However, when the list filled up, the list could not be scrolled to either side, but kept refocusing to center when pulled.

Apr 6, 2020 · Custom flat list items in react native. 12. flatlist with dynamic numColumns. 0. Using Flatlist in react ...

FlatList answers are above, but it is not the only way to make horizontal list in RN. If you want to make display elements in React Native displayed in horizontal list the simplest way possible, you only need the Flex Direction as Row: myElement: { display: 'flex', flexDirection: 'row', },

I have a list of Terms that are returned by a query. Each is a single word. Currently my FlatList renders each word into a button on the same row (horizontal={true}) I would like the buttons to wra...

Jun 7, 2017 · performance issues with React-Native flatlist with 100+ list items. 2. When there is a large list , flat ...

Jul 21, 2022 · FlatList is slow when the data set is large (100s of items). Each click on an item's checkbox takes around 2 seconds. Actually, the first click on a checkbox takes around a second; then, it increas...

Aug 22, 2018 · React Native: Optimized SectionList does not rerender after scrollToLocation 3 When SectionList/Flatlist is scrolling/rendering items UI thread seems blocked (React Native)