Flatlist onendreached called on load. But it's not working :/ The problem is that, I have .
Flatlist onendreached called on load I have followed this FlatList calls `onEndReached` when it's rendered – luke77 Commented Oct 30, 2020 at 12:12 Add a comment | @user1230795 the best way to do that if in your componentDidMount method you explicitly call the load data. 69 to 0. I tried doing everything, from changing the threshold to adding a container with flex: 1;. I am implementing a simple feature that when user swipe the screen to the end of the list, the app sends a new request to get more items to the list from backend. but what happening with onEndReached is, it is calling even though we are not scrolling (I checked by doing console log). In react-native-web, what's going on is that onEndReached keeps on running until all 400 FlatList onEndReached called On Load (React Native) 3 FlatList onEndReached event not working in ScrollView on React-Native Load 7 more related questions Show fewer related questions Sorted by: Reset to Know someone who can answer? Share a via Expected Behaviour: On end of page arrival the handleLoadMore function should be get called. There seems to be some kind of race condition, as it only happens 50% of the time I It sounds like that the onEndReached would be called again only if the length of list had been changed. I swapped onEndReached prop for this and it worked great! What FlatList calls `onEndReached` when it's rendered 9 Flatlist onEndReached endless loop 0 onEndReached function calls at first, before user reach to end of flat list 7 FlatList onEndReached called On Load (React Native) 1 React Native Flatlist gets endless loop FlatList onEndReached being called multiple times The real issue I'm facing is when I'm trying to render chat messages (fetching through API call and setting it inside the state) inside a FlatList. 60 Android Blank and Freezes 1 React Native Flatlist gets endless loop onEndReached using redux Load 7 more related questions Sorted by: Reset to default question , Im facing the problem that my Flatlist onEndReached method, calles to early. The aim is to load 400 items overall and to load 20 each time the user hits the bottom of the FlatList element. props; if (!isLoading) return null; return ( <View I have a problem with onEndReached in flatList. It was because of using. note that adding if to every flatList is very labor intensive as the project is very big. But it's not getting called. My flatlist has three columns, the "onEndReached" props is only called two times when the flatlist is loaded, but never again when I scroll to the end. FlatList calls `onEndReached` when it's rendered 5 FlatList calling twice 3 FlatList items won't respond to touches while FlatList is loading new items 0 ReactNative - FlatList not updated until scroll 1 How to reload Flatlist react native? 3 Infinite loop FlatList My FlatList triggers onendreached not as expected. I'm definitely seeing the second onEndReached call triggered by the bouncing effect on iOS. this is my code: Implement your own loading overlay outside of the FlatList so that the loading component does not affect the content height. In react native, FlatList is calling the onEndReached function on the initial load and not calling it when reaching the end of the list. It get called like 10 times and when I check my API calls page is 2,4,5,6,8, 10 { FlatList, StyleSheet, View } from 'react-native'; import React, { useCallback, useState } from 'react'; import { useTranslation I am calling this method every time the end of the list is reached: <FlatList data={data} onEndReached={fetchData} onEndReachedThreshold={0. So when I first load my component it fetches data from the server. if I uncomment the above code and onEndReached would be called. I'm moving to the FlatList component due to ListView being depricated and I'm trying to figure out a nice implementation for determining when the user has scrolled to the top of the page. It could also be because something is causing the whole flatlist re onEndReached doesn't have to be called on the initial render of the list. 72 (along with many other dependencies, so not sure if something else broke it). However, below the list is more content using ListFooterComponent. Shouldn't onEndReached be called in this situation? Or is my assumption incorrect because the data wasn't scrolled to? From my This happens because you render the FlatList before your data is loaded. I think ideally, RN should not call onEndReached while the list is in the I'm guessing the reason onEndReached is called so much is because the threshold is too low or you're scrolling around. There seems to be some kind of race condition, as it only happens 50% of the time I load the screen. Adding bounces={false} to the FlatList fixed it for me. . Here's the code State variable declaration const [data, setData] = useState([]); //Contains the fetched data It might not be written as the available prop in the react native documentation, but if you will see the source code for FlatList, it uses Virtualized List which in return has the mentioned prop available. This causes onEndReached to be called when the end of the footer is reached, rather than the end of the actual list. But it's not working :/ The problem is that, I have Actually you don't need to use Content or ScrollView as FlatList has both ListFooterComponent and ListHeaderComponent In case you really need to use FlatList inside ScrollView, then add style and content contentContainerStyle to your ScrollView or if you use native-base, inside the Content FlatList onEndReached called On Load (React Native) 0 FlatList React Native 0. When ever the page is loaded the onEndReached method is called and mess up my userPicture array. Finally I have solve the issue. But didn't find any solution. I recently created an issue with a very detailed breakdown. On top of that, even before reaching the end of that list, the onEndReached is called as the FlatList is loaded without any interaction from the end user. I tried some momentum thing and many many others. 15} /> My problem is that, when the end of the list (the real end, I mean, there is no more data to fetch) is reached this method continues being invoked. and onEndReachedThreshold: How far from the end (in units of visible length of the list) the bottom edge of the list must be from the This is my FlatList component, i figured that the onEndReached triggered because the list is lack of items therefore it triggered the onEndReached even though the first load is not yet completed. The first time that flatList is rendered the onEndReached function calls multiple time. handle this function very carefully, endReached= ()=> { //take care of ES6 Fat arrow function and trigger your conditions onEndReached is called as the FlatList is loaded without any interaction from the end user. That means still there are 23 records to scroll. 72: Same thing, onEndReached was sometimes not firing, sometimes it changed behavior after Im trying to implement Flatlist of Somedata which contains almost 200 elements in an array that im passing in data. props. So whenever it succeed in the isCloseToBottom call it means that you have reached the end of the list, so you can call the loadMoreData function. articles state object and to the FlatList, BUT the FlatList jumps/scrolls back to the first item in the list. Im trying to give user the option to load the rest when they scroll only. My Results: onEndReached is called once on load of the FlatList Notes: onEndReached should not be called on load I’m able to load more pages as I scroll down, however, it will call onEndReached multiple times if I scroll really fast. [Using Functional Component]. 7} /> the onEndReached: Called once when the scroll position gets within onEndReachedThreshold of the rendered content. Initially 40 records are rendering and according to my tab device height I am able to see 17 records at a time. onEndReached={this. If not it will trigger the onEndReached method because the initial list render is empty. I tried ALL the solutions from all other similar questions on stackoverflow. FlatList onEndReached called On Load (React Native) 1 React Native Flatlist gets endless loop onEndReached using redux 0 onEndReached invoked multiple times on render 0 React Native FlatList not working with object Hot Network Questions Is there a So when I use onendreached in my flatlist, it starts right when screen loads and not when end is reached. and the distanceFromEnd is less than zero (varied from -300 to -70 depending on the list). 0. I am working on a react native project I got a problem loading more data using <FlatList> When I set the height of the parent component <View> 500 as my code show, the scroll function is abnormal. component (Library based on FlatList). I notice that it works fine if I have only one column. The FlatList component has a onEndReached prop. selectedStream changes every time the user presses a different group option. Also removing the scrollView didn't work-This didn't help I'm setting the data that my flatlist component displays using a state called selectedStream. I tried doing everything, from changing the When I scroll to the end, the handleLoadMore method gets called and duplicates the first page of the list with the next page results. Due to the fact that a FlatList always starts at the top of the list, we want to make sure to only call onTopReached when the user is scrolling through the list. Set opacity = 0 to hide the ListFooterComponent instead of returning undefined , so that it is always there and the content height I had problems with FlatList after upgrading from 0. onEndReached gets called again and again. FlatList onEndReached called On Load (React Native) 0 React Native load data from API using hooks 1 How to create a FlatList 0 React Native : iterate and display nested objects using Hooks 12 React-Native Invalid hook call for Flat List The problem is that when the end of the FlatList is reached on scrolling, the API is called, the new articles are pulled fine and appended to the this. On 0. renderFooter = () => { const { isLoading } = this. The data is displayed and takes up less space than the screen. endReached} onEndReachedThreshold={. pd: I've updated my response in Since i require new loaded data on top of my existing data, I simply append my old data to newly fetch data, so in the array it becomes my top level data, for example I have [1,3,4,5,6] in the state list and i receive [a,b,c,d] from my server, I simply append my old data in it and hence list becomes [a,b,c,d,1,3,4,5,6] once I add this, my flat list scrolls to top and focuses FlatList onEndReached called On Load (React Native) 12 FlatList renderItem is being called multiple times 1 React Native Flatlist gets endless loop onEndReached using redux Hot Network Questions Why there is an undercut on the standoff and how it You should use <FlatList . Using FlatGrid component (Library based on FlatList). FlatList calls `onEndReached` when it's rendered 5 FlatList calling twice 9 Flatlist onEndReached endless loop 1 FlatList renderItem is called multiple times 0 onEndReached function calls at first, before user reach to end of flat list 7 FlatList onEndReached I'm using a FlatList to display a list of items with inifinite scrolling. I've noticed that the flatlist takes 1-3 seconds to refresh all Gif file here In the above gif, you can see that when I scroll to the end, after loading extra data and appending it, the scroll gets reset and scrolled to the top. I can not scroll up and down freely with leftmouse in the simulator I have been experimenting with infinite scrolling in React Native. the onEndReached have a very weird behaviour. As soon as list is rendered onEndReached is being called without even scrolling the list. Is there anywork around for onEndReached that it has to wait for my fetchData to complete first before it fetchs another. Right now there are about ~200 messages for which the renderItem is being called in a range of 800-1200 times which is taking a hit on the performance. 69 everything was fine. I have tried in below way. and the distanceFromEnd is less than zero (varied In react native, FlatList is calling the onEndReached function on the initial load and not calling it when reaching the end of the list. I have read some suggestion to wrap flatlist in a view with flex:1 but I still doesn't work properly. The following is what I tried: I firstly created a I have some troubles implementing an Infinite Scroll on a Flatlist. More data is loaded when the end of the list is reached using the onEndReached prop. You should check if the data is loaded and then render the List. Any ideas? async Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers FlatList onEndReached Called On Load [iOS] (with detailed findings) #16067 Closed Copy link zachrnolan commented Sep 22, 2017 I've been having a couple different issues with onEndReached. What negative value of distanceFromEnd means and how to stop that. rcyvkr ogy llq mymu gvts gwf qyvq dfmk dlpfgmg sknol