React native flatlist not scrolling. When I'm trying to scroll, It does nothing. More complex, multi-select example demonstrating `` usage for perf optimization and avoiding bugs. Environment (include versions). :) I hope you understand my problem react-native Apr 26, 2024 · VirtualizedList. OS == 'ios' ? false : true} I added the condition since, I was facing this issue only in IPhone 7 Plus. 4). Item, the scrolling of the list is broken - you can only scroll if you very quickly swipe the screen. Code: May 30, 2017 · Reading about List from react-native-elements - it itself is a replacement for FlatList, not a wrapping component. Jul 19, 2022 · It used to work earlier, after upgrading from RN to 0. I have made these buttons sticky so that it stays at the top during scroll but is there a way to prevent the scrolled items from showing beneath the buttons as I scroll up? I have tried adding a marginBottom to ListHeaderComponentStyle but it does Jul 18, 2018 · Place an horizontal FlatList in a ScrollView. state = { selected: (new Map(): Map < string, boolean >) }; _keyExtractor Dec 3, 2021 · I have a FlatList that weirdly renders correctly only after a scroll. May 2, 2022 · Instead of Pressable wrapping the FlatList, I learnt that we can use React Native's Gesture Responder System on a simple View to get the behavior that I require. May 25, 2018 · I'm having an issue with scrolling in lists that are in modals ever since upgrading to the latest React-Native version (0. Dec 13, 2019 · FlatList not scrolling in react-native, nothing helped so far. Tried several suggested solutions - none of these worked: Including a parent View with flex pr Jun 13, 2018 · 1. you can refer it and can understandable it very easily. React Native FlatList not scrolling to end. import React, { Component } from 'react'; import { FlatList } from 'react-native'; export default class InfiniteFlatList extends Component {. this. Please can someone advise? Aug 16, 2021 · i have a flatlist but it is not scrollable, first i set the height of it's parent container to screen height then i learned that it was a mistake to do so and also i didn't use flex:1 on any container still i can't scroll down. state} – sharad_kalya. Part of my code: Jun 26, 2022 · I have a Flat-list in react native which has items that expand & collapse (Just like dropdown), So whenever an item is clicked to expand, If the items content is overflowing in the screen. Since v0. 55. import * as React from 'react'; import { StyleSheet, View, Text, FlatList } from 'react-native'; export default class Conversation extends React Aug 1, 2018 · the best idea would to redesign the page and split it into two different pages or make the flatlist scroll horizontally or maybe disable the scroll of the flatlist and make the size equal to the sum of row's size – I feel so stupid but i am stuck at this point for a couple of hours, for some reason my flatlist does not scroll correctly. On the tutorial with the same code I can see the list is scrolling. Once my mouse is overtop of the View the FlatList seems to ignore the scrolling. scrollEnabled={true} So I have an outer ScrollView with a FlatList of items. . shouldActivateOnStart(true); Mar 12, 2018 · The scroll indicator is usually not tappable. class LibraryList extends Component {. The ScrollView won't scroll vertically. FlatList has a prop called initialScrollIndex that you could use if you want the list to load at a particular item. event_name} Feb 21, 2024 · Each item has a responsive map which is rendered inside of a react-native-webview. import React from 'react'; import { SafeAreaView, View, FlatList, StyleSheet, Text, StatusBar } from 'react-native'; const DATA = [. If that is the case, you could try adding Native gesture to the AnimatedFlatList like so: const nativeGesture = Gesture. Apr 6, 2022 · The answer usually says to add flex: 1 to the parent, but here is an example that has that and it still doesn't scroll. If you don't use arrow function, the FlatList cannot access the "this" in scrollNow () function. To determine which one to use, we only have to remember one thing: ScrollView works best to display a small amount of elements with a limited size because all of ScrollView’s Apr 8, 2022 · React Native FlatList is not scrolling. Hot Network Questions Nov 9, 2018 · I'm trying to create a horizontal FlatList that has some spacing around it. I want the app to scroll through the list by its Jul 20, 2020 · Basically add the attribute nestedScrollEnabled= {true}, in yout external ScrollView and on your internar FlatList. const contextValues = useMemo(. 2, the following code seems to work better than the older answers. Oct 22, 2021 · I have a FlatList with a ListHeaderComponent which is a number of buttons in a horizontal scroll. In general, this should only really be used if you need more flexibility than FlatList provides, e. Please can someone advise? I am unable to get my Flatlist to scroll in my expo react native app. I have paginating and fetching 10 rows per page by making async calls to the server. So now your code should be like so:-. Try to scroll vertically from the FlatList. y I noticed that the e. io/2K8V8ALHy. when I scroll to the end, I call a function [loadMoreCommit] which increases the [page] by 1. Has anyone been able to hide it some other way. Note: For ios, after adding nestedScrollEnabled={true} along with scrollEnabled={true} works fine. react-native: 0. 4, i am not able to scroll horizontally, If i try hard with two fingers and use one to scroll then it's hardly scrolling. <ScrollView. Either remove the List and use FlatList , or use the underlying ListItem component that List is designed to be used with. This means that any list items it renders that are not on the screen will be rendered as blank space until the item is scrolled into the render window. goIndex = => { this. ); Sep 10, 2023 · 1. Without setting this prop, FlatList May 17, 2017 · Some of the users (@Nathileo) asked for a hooks-based approach to scrolling to the end of a FlatList. Is there an equivalent for @shopify/flash-list? Jul 5, 2018 · I am building a feed using FlatList in React Native. It does scroll for web. 8. Base implementation for the more convenient <FlatList> and <SectionList> components, which are also better documented. nativeEvent. Here is my code (the issue is in the second FlatList Sep 28, 2021 · Pushing a screen of a React Navigation Stack with a FlatList will break the scrolling support on Web. It looks like this (I have more items after Produce): This is my code: Sep 24, 2017 · I've achieved this by appending a copy of the first element of the supplied data to the end of the FlatList; when the user scrolls this into view, we can safely reset the scroll offset. You can test here, but make sure you select iOS or Android. FlatList renders items lazily, when they are about to appear, and removes items that scroll way off screen to save memory and processing time. Any one experienced this behaviour mainly in Android and in IOS it's working fine. Refer here. Note: Doing the otherway round i. The refs appear to be correct, and my own scrollEnd function is being called (I was desperate) but nothing changes on the screen. e 3). I am quite new to react native. First, you need to implement React's useRef hook: import {useRef} from 'react'; const yourRef = useRef(null); Second, the FlatList tag must be equipped with a reference and the desired functions: <FlatList. It contains small cards contains some data. To Reproduce (Required) I created this Snack: https://snack. First part - function with flatlist, second - renderItem function, style of touchable opacity: 2) 3) I Jun 8, 2017 · 4. scrollToIndex({animated: true,index:5}); }; although it doesn't show any errors, the list is not moving to specified index. This is where FlatList comes into play. May 4, 2020 · the useEffect is triggered and I fetch the first page of the API. It's simple and tricky. Pros: Setting a bigger number means less visual blank areas when scrolling (increases the fill rate). In case if it were dependent on state then you would have passed extraData= {this. Why does it not scroll down at the first time screen Sep 21, 2019 · FlatList scroll seems to works only when parent View has a flex property confirmed that this works, however this still seems like a bug to me 👍 1 blackbing reacted with thumbs up emoji May 23, 2017 · I am trying to use FlatList (React-native) in my app. so how to set the height of the flatlist to cover the entire screen and still be scrollable. data={DATA} renderItem={({ item }) => (<ListItem itemData={item} />) } Mar 16, 2021 · I've deleted my original answer as @windowsill's comment points out, the flatlist scrolls with and without a flex:1 on the wrapper. Each item may be a song or an album. 71. I'm having difficulty scrolling the flatlist in react native. You can remove the property 'keyboardVerticalOffset' or keep it and play with the value of x, you just find out the value which fits in your case. 4 Feb 8, 2019 · The FlatList is covering the search bar when it's active and I can't scroll the list or select an item. Jul 23, 2019 · Why does my FlatList not scroll in React Native? 0. Here is the most basic version of that code: Jun 9, 2023 · Wrapping FlatList in another View, adding styling to the FlatList, importing FlatList from gesture handler instead of react-native, setting nestedScrollEnabled={true}, various additional flex properties and styling, none of it works. This Flatlist is inside a ScrollView component where I want the Flatlist images to be able to be scrolled horizontally. event={item. You will notice that, in the browser, everything seems to work. This would work, please try on: <KeyboardAvoidingView behavior='position' keyboardVerticalOffset={x} >. I have created a FlatList for rendering this list of items, however, it is not scrolling. FlatList inside ScrollView doesn't work in React Native. Version. g. Apr 22, 2024 · Creating JS components and native views for everything all at once, much of which may not even be shown, will contribute to slow rendering and increased memory usage. I found that solution from here. By giving the view flex: 1, that view will take the remaining space vertically and the FlatList will start to stretch until it reaches the end of the bottom of the parent view, and it will scroll instead of going outside. But if we want to re render the FlatList then we need to pass a prop extraData to it. The FlatList component requires two props: data and renderItem. I hope it works for you as well, if you add a few blank itens or one wide enough blank item. Oct 7, 2021 · I found the solution for that. id} showsVerticalScrollIndicator={false} Oct 11, 2019 · Default ScrollView works well in the ios, but in the android it is not. Jan 29, 2021 · The search Input drop down is set to overlay over the red box views, which it does. expo. But for some reason even after enabling horizontal={true} in my flatlist, my extra images are going to the next row and the scrolling is vertical. It doesn't give me to scroll past the Produce item. I am new to react native and while going through a tutorial , I got stuck with scrolling of FlatList. More complex, selectable example below. I've also tried onScrollBeginDrag, onScrollEndDrag and onMomentumScrollEnd. I can't find the problem why its not scrolling. I need to import FlatList from react-native-gesture-handler. Jan 24, 2020 · Why does my FlatList not scroll in React Native? 3. 8 Aug 9, 2021 · Currently I have a FlatList that is holding my images. 66. As a workaround, you can actually use a wrapper function (here with ES6 syntax) : setTimeout(() => this. Specify the width and height in the style prop of the FlatList. refs. 2 Jun 4, 2020 · I want to create horizontal flatlist with multiple row in react native, so i have written this code, the flatlist is getting rendered but horizontal scrolling is not working so can anyone help me with what's the issue? I want to create flatlist which has 2 rows and user can scroll horizontally also Mar 22, 2019 · I had the same issue and just found the solution. I put my <ScrollView></ScrollView> component codes inside of <FlatList> ListHeaderComponent props. If I disable scroll on the flatlist, every interaction with the map works smoothly. The effects of all the scroll functions appear to be really inconsistent - I can get scrollToOffset to work on iOS but Jan 11, 2024 · In React Native, if the items in the FlatList do not fill the screen, the list will not scroll in Android. keyExtractor tells the list to use the id s for the react keys instead of the default key property. But not sure how to use it as am following the Functional Component style of coding. I need to get the offset Y value for the animation. React Native bidirectional FlatList, start reached event. But the method is not working as expected and is scrolling to wrong position. ref={ref} initialNumToRender={3} keyExtractor={(item) => item?. The album itself has an expansion panel, which when opened has a ScrollView container which contains FlatList of song items. Item, View and FlatList. There is an option in ScrollView to hide the scrollbar but not in FlatList. The easiest way I found involves the e. title (text) has more letters, gray rectangle box May 7, 2021 · I have this category filter component in my react native application. but while scrolling or when scrolling stops nothing happens and I can't get the current Id. for use with immutable data instead of plain arrays. Item Aug 6, 2020 · The first and most common mistake of using ScrollView is not knowing when to use it. Is there any way to find out the scroll position of the Flatlist in pixels? I'm using react native 0. () => ({. Nov 21, 2022 · Of course. Using this approach instead of a flexWrap layout can prevent conflicts with the item height logic. The list will only become scrollable if its height exceeds that of the container. edited Jul 17, 2023 at 4:58. I am trying to implement a Flat in horizontal direction. At the moment it is just static, displaying a grid of images int he Flatlist with no scrolling functionality. On the other hand two scrollable components inside eachother will make it impossible for the system to know which component should be scrolled. Feb 4, 2018 · Step 2) (Key-point). This controls the amount of items rendered per batch, which is the next chunk of items rendered on every scroll. flatList. I checked and the function scrollToIndex is calling. FlatList also has the methods scrollToIndex and scrollToItem which allow you to programatically move to a specific index or item May 7, 2018 · Then you accept the answer :) . import { FlatList } from 'react-native-gesture-handler'; If this would not work, also try to import ScrollView. Jul 9, 2019 · I am building a header that animates/hides as the user scrolls down a Flatlist. Hot Network Questions 8-hour stopover in Kuala Lumpur: visiting Batu Caves? Tested in IOS, also I noticed that without the onStartShouldSetResponder={() => true} my Flatlist was only working when using 2 fingers to scroll the list inside the modal. By passing extraData={selectedId} to FlatList we make sure FlatList itself will re-render when the state changes. <TabView. ( This will lead the image to be always on top and the data inside the FlatList will be scrollable ) Jun 20, 2021 · When having a FlatList inside a TabView. Apr 22, 2024 · It is a VirtualizedList prop that can be passed through FlatList. It renders generic content in a scrollable container. The problem though is that the FlatList will only scroll if my mouse is in that space between the search input and the first View. I'm pretty sure this should works for every-one. dev Jun 29, 2018 · 16. At a time 2 and half card are visible horizontally, when i scroll it directly goes to next 3 cards so I am not able to properly view the third card since scroll moves 3 items at once. I've tried using onScroll hoping it passes a value to the callback - it doesn't. EDIT 1: Suppose your data array is something like this: [{title: "Item 1"}, {title: "Item 2"}] You have to concat the new blank item to the data array while passing it to the <FlatList>, like this: keyboardShouldPersistTaps Aug 14, 2021 · 1. Jun 13, 2023 · A FlatList is a React Native list component that uses virtual scrolling to improve app performance. Also if item. However, that is not really a solution as most of the times the items exceeds the screen. What I noticed is that if i try to select an item or scroll the list when clicking where the SearchBar should be appearing, I can select and scroll the list. It only scrolls if user pressed and holds touchable opacity which is a part of renderItem shown in the codes below. Jun 10, 2017 · I have a horizontal FlatList, where each time it reaches the end, it automatically adds new elements to the list, so it kind of is an infinite list. Feb 12, 2021 · So that when I open the App I see 4 and 5 and 6 and I can scroll to the left to see 1 and 2 and 3 and I can scroll to the right and see 7 and 8 and 9 and 10. Nov 8, 2022 · So i have tried couple of things, data pulled from the REST api works fine without trouble, but when i put it to Flatlist, it does not scroll. 6. I just passed a view with the preferable height and it worked for me perfectly. Below is a snippet i used, to display data from the REST api to the application : Jan 17, 2022 · 0. scrollToEnd(), 0) Regarding your 1st problem, I don't think you're solving it the right way. VirtualizedList is the component behind FlatList, and is React Native's implementation of the ' virtual list ' concept. I am using React Native 0. Apr 26, 2021 · Unable to Scroll using Flatlist in React native. Add the prop ListFooterComponent by giving it a React element/component. Jan 19, 2024 · React Native Expo - Unable to scroll downwards for more content. renderItem = ({ item }) => (. Here is how it looks. That's why I want it to be scrollable, even if it's small. Mar 22, 2018 · If you want a single image on top of the page and then the entire list should load, then simply use the Image tag in a View and then load the FlatList below the image. I tried using the solution of parent & child container (Hide scroll bar, but still being able to scroll) but did Sep 11, 2023 · Hi everyone, Yesterday I was stuck with a problem in React-Native FlatList 😤. Can be imported from react native as: import {ScrollView} from ‘react-native’; Can be imported from React Native as: import {FlatList} from ‘react-native’; . It works as FlatList does not re-render when there is change in state or props. Between I want to insert a Flatlist that displays a list of elements, but i want a fixed height and scroll capability to see all elements from the list. Here is the code snippet: <FlatList. I have also tried many workarounds with no use. Sep 13, 2017 · I was seeing this same problem in our Android + iOS React Native hybrid app. I'm develop the flatlist with gesture detector to enable the pinch to zoom, double tap, and pan in the image, but at the moment when the pass to the next image is very difficult I have to move the finger to what works. But after loading the screen when do component re-rendering it is working. the useEffect is triggered again since has a dependency on [page] and fetches the following batch of 20 items and so on Feb 14, 2022 · I have a FlatList inside a BottomSheet, I am able to scroll in FlaLlist on ios but it is not working on android. React native : Flatlist inside scrollview. <CartItemCard. I was able to get the beginning spacing correct with paddingLeft on the list, but paddingRight on the list doesn't seem to put any space after it (if I scroll all the way to the end, the last item is pressed right against the border). _listRef is undefined because setTimeout calls the function and sets its context (this) to null. We embed the FlatList component within our native UIs inside a Fragment in Android and we were unable to scroll to the last item in the list, even though the scroll indicator would show that there was more to scroll, the ScrollView would simply not scroll further. There are two common List components in React Native: ScrollView and FlatList. As soon as I post this, I notice the issue. Jan 20, 2021 · I need help in setting correctly a Flatlist in my React Native app. It renders a list of similar items. I tested with similar code. answered Jan 18, 2022 at 13:19. Jul 23, 2020 · The problem am facing is, after new item is added to the FlatList, am trying to scroll the FlatList items to the bottom so that the newly added message is visible. 43 of… Jan 11, 2022 · That said, if I understood you correctly the issue only occurs when using AnimatedFlatList and not FlatList from Gesture Handler. Without setting this prop, FlatList would not know it needs to re-render any items because it Jul 7, 2020 · For this i have used scrollToIndex method of FlatList in conjunction with getItemLayout prop of FlatList and passed the index of the current podcast item being played to the method. By passing extraData={selected} to FlatList we make sure FlatList itself will re-render when the state changes. How I can make freely scroll able so user can stop it at Nov 12, 2023 · Using this approach instead of a flexWrap layout can prevent conflicts with the item height logic. But is not working. js and my problem is with the second child component (BottomHorizontalBoxes. Feb 24, 2022 · What actually happens: with parent view scroll-locked, scrolling the child scrollview to the very bottom/top will scroll the parent scroll view, once the child scroll view reaches its scroll-boundary. Then both scrolling the FlatList and adjusting the bottom-sheet height work on Android. In this case it is a Flatlist. js). Steps to reproduce behavior: flick one of the child scroll views downward until it reaches the bottom In 2023 with react-native version 0. Each have their strengths and weaknesses. Reference Image. The scroll works fine on web view, but doesn't work on Android. Feb 18, 2019 · 3. The FlatList is defined like this in the View: <FlatList. What I need is: I have a View; Inside that view i have a title on top and a bottom below. I searched Stackoverflow, Google, and YouTube videos for nearly 4 hours to solve this problem. <View onStartShouldSetResponder={() => true} onResponderRelease={doSomethingFunction} > <FlatList data={someData} renderItem={renderItemComponent} /> </View> May 3, 2019 · FlatList and VirtualizedList seem to be taken directly from react-native, and do not contain any of the DOM specific customizations like we see in ScrollView, TextInput, and View. I can render items from API but it's not scrolling in FlatList, it is bouncing back to the starting position without showing all the items. After a lot of research, I was able to resolve the issue by using BottomSheetFlatList instead of FlatList from the same package. I am using it horizontally and can see the scrollbar. Also, upon a refresh it is rendered for a split-second and then disappears again. (Worked for my only after setting the height property) The whole discussion and multiple solutions are on the link above. flatListRef. The FlatList itself has only 3 items. 0. Jan 25, 2023 · At the moment it is just static, displaying a grid of images int he Flatlist with no scrolling functionality. 69 + Expo Feb 7, 2022 · Displaying a List with a React Native FlatList. Hot Network Questions Nov 11, 2021 · I am using the React-Native-Elements Library to create tabs. first batch of 20 items is then rendered using a Flatlist. Output of npx react-native info. import { ScrollView } from 'react-native'; // OR. <ListItem library={item} />. Tried countless things I saw on the internet, and still , it does not seem to work. The vendor exports do, however, reference the DOM specific ScrollView and View components, so maybe that means they are actually implemented. I've googled it for hours and tried nearly everything suggested in stack overflow threads - removed flex, added flex, wrapped it in a view, but nothing seems to work. Jan 13, 2023 · I have Flatlist that doesn't scroll. answered Jul 4, 2018 at 11:28. Did this work in previous versions? React Native for Web (version): 0. 59. A data prop takes an array of data that needs to be rendered, and renderItem defines a function that takes data via parameters and returns a formatted component to be displayed on the screen. y becomes 0 on Android when on top while can become negative on iOS (over scroll) To be able to act when user just starts to scroll from the top and when the user scrolls back right to the top, the following works fine for me. e. System: OS: macOS 12. – Moistbobo. scrollEnabled={Platform. contentOffset. Expected Behaviour : Apr 18, 2017 · There have been a quite a few ways to create a scrolling list in React Native, most notably they have been the ScrollView and the ListView. 4. The code below should work. I want to scroll the item so that its content is fully visible. Instead of trying to figure out where to scroll to using the scrollToOffset method, I'm still using the scrollToIndex method and use the viewOffset parameter in order to calculate how much offset to add to the method: the difference between the expanded and collapsed heights of any other currently expanded item (if any) and subtracting the top margin of the clicked item. The width, in your case, should be SCREEN_WIDTH + 5. 1. Jul 25, 2018 · I'm using a flatList to render items from a json file, I want to scroll to a specific index when a button is pressed, I declared the function for button press as below. Apr 9, 2018 · I have a React Native FlatList. Not scrolling down to bottom. How Can I use it in correct way? Mar 17, 2018 · Why does my FlatList not scroll in React Native? 0. FlatList not scrolling in react-native, nothing helped Apr 4, 2018 · The best approach is to put your FlatList inside a View and give that View flex: 1, and the flat list will not go outside the parent view. ScrollToEnd() (on a FlatList) appears to have no effect in Android (or in the iOS simulator). The code is below shows the TabView along with the rendering of the TabView. I fixed my problem with nested FlatList not being able to scroll items on android by simply importing FlatList. Jan 21, 2019 · This FlatList has only a few items, and because of this, is not taking the entire space but only the half of it, and when I scroll up/down, it looks as if it has overflow: hidden. Then set yout FlatList's height to a fixed value. Alternatively, if you don't want to do it on start. data={cartItems} renderItem={({item}) => (. I have two child components that are rendered in App. FlatList not scrolling in react-native, nothing helped so far. Please help! Thank you. Without setting this prop, FlatList would not know it needs to re-render any items because it is also a PureComponent and the prop comparison will not show any changes. Then Flatlist will automatically move the entire screen (photo + separator) away when pagination is enabled. I have tried nestedScrollEnabled={true} as mentioned in the document here it works well in android. Virtualization massively improves memory consumption Jun 25, 2021 · Unable to Scroll using Flatlist in React native. When I checked the documentation, I can see a method called scrollToEnd(). I am using the onEndReached and onEndReachedThreshold to call a function that fetches the data for the next page. Hence, I can not for sure now when the user is interacting with the map. Performance, in this context, imply a smooth (not choppy) scroll (and navigation in or out of your list) experience. Under the TabView, I have a FlatList, the list appears but it is not able to scroll, I have tried implementing flex: 1 as well as wrapping the FlatList in a ScrollView . For the first time this component is loaded it does not scroll to given index item (i. 👍 5 lucasjohnston, jwebcat, syedamariumhasnain, mateuszjaquael, and havva-zt reacted with thumbs up emoji ️ 1 havva-zt reacted with heart emoji Dec 4, 2023 · It does not maintain the component state. So scrolling is an important part of this. Jun 29, 2018 · Then I tried setting the scroll of flatlist as false, since I have already enclosed my flatlist to scrollview. Native(). See full list on reactnative. The Flatlist with the problem is inside a modal, which is in another modal that is rendered as a footer component on another Flatlist (it is an add button). base on Documentation I used onViewableItemsChanged for getting the current showing item on the screen. Perhaps setting a height value directly on the FlatList will achieve the effect you want. Here is Jan 31, 2018 · the ref in FlatList is a function, not a string. Jan 27, 2022 · The important point with a Flatlist is the reusing of cells so that not all components need to be rendered at the same time. Unable to Scroll using Flatlist in React native. scroll of scrollview to false, was still giving me the same issue. Memory consumption, in this context, is how much information about your list is being stored in memory, which Jun 29, 2020 · 1. Expected behavior When scrolling vertically in the FlatList, the parent ScrollView should scroll vertically. I read this in the RN GitHub about it, they recommended using flexGrow: 1 on the FlatList's contentContainerStyle, also the parent View with flex: 1. I am using Android emulator. Oct 25, 2022 · 1. ksktdhjfecvgmkctnixz