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react-native-flatlist

Fixed footer in react native with FlatList

Following this question on fixed footer with a ScrollView, I'm trying to implement a fixed footer on the screen with a FlatList. I have tried to use the answer provided by putting the flat list inside a view, but then none of the items are rendered. Does any one know how to implement a fixed footer with a flat list as the other main element of component?

2021-07-12 08:08:18    分类:问答    react-native   react-native-flatlist

How to apply different styles dynamically for matching text from a dynamic paragraph in React Native

I am doing React Native project. This is my first project in React Native. And I am getting questions and answers in that (multiple questions and answers). Each answer has multiple different styles with matching text of answer paragraph. If any matching text there, I have to apply those styles for that selected texts, There may be different font styles, underline, url link, emails. I have tried with following code, but, It is displaying empty data. text: the text to search for in the answer's text instance: the instance to match in case of multiple instances found within the text (if zero is

2021-07-03 07:20:15    分类:问答    javascript   react-native   styles   mapping   react-native-flatlist

How to efficiently render different views in FlatList

I am creating a calendar component that contains 2 Views with FlatList. Each View is associated with a different data source. Specifically, View 1 will display all days in a month where View 2 will display all days in a week. Link to video demo, button of year is for view switching For simplicity, each month/week view is represented by a date as an array item in a bigger array. For example, each item in the month array is a unique data in a month. An array of size 12 will have 12 unique dates of each month. Each Date() object will then be passed down to my children components for a proper

2021-06-28 13:13:53    分类:问答    javascript   react-native   react-native-flatlist

React native flatlist not scrolling

I've been using FlatList a lot of times, and never had such experience.I'm having one view with an image on top on of a page and my list is below.When I try to scroll, list bounces to the top. Can not find a good solution for this. Here is my list: <FlatList data={this.props.comments.data} renderItem={this.renderDetailsItem} keyExtractor={(item, index) => index} /> renderDetailsItem({ item, index }) { return (<CardDetailsComment key={item.id} imageUrl={item.profileImage} username={item.username} comment={item.data} time={item.createdAt} />); } Here is my CardDetailsComment component: const

2021-06-28 01:33:54    分类:问答    react-native   react-native-flatlist

Nested Flat List Invariant Violation: A VirtualizedList contains a cell which itself contains more than one VirtualizedList

Error: Invariant Violation: A VirtualizedList contains a cell which itself contains more than one VirtualizedList of the same orientation as the parent list. You must pass a unique listKey prop to each sibling list. So I am trying to make A FlatList which will have Multiple Nested FlatLists Like this.. 1------FlaList Level 0 1.1-----FlatList Level 1 1.2-----FlatList Level 1 1.2.1------ FlatList Level 2 1.2.2------ FlatList Level 2 2------FlatList Level 0 2.1-----FlatList Level 1 2.2-----FlatList Level 1 2.2.1------ FlatList Level 2 2.2.2------ FlatList Level 2 The Code Snippet For this: {/*

2021-06-24 20:04:21    分类:问答    react-native   react-native-flatlist

React-native: FlatList get refs to scroll

I'm currently building an app with react native: this is my flatlist: <FlatList ref={"myFlatList"} data={data} keyExtractor={this._keyExtractor} renderItem={this._renderItem} /> In this function I want to scroll to a specific index: _enableTVEventHandler() { this._tvEventHandler = new TVEventHandler(); this._tvEventHandler.enable(this, function(cmp, evt) { this.refs["myFlatList"].scrollToIndex({viewPosition: 0.5, index: 2}); }.bind(this)); } But I have an error: Cannot read property 'scrollToIndex' of undefined

2021-06-24 19:27:02    分类:问答    javascript   reactjs   react-native   react-native-flatlist

React Native FlatList load more when we get to the bottom of the list

How to make load more with FlatList of React Native (Not infinite) I've done this, but unfortunately it loads as infinitely. This is my code snippet <FlatList data={this.props.data} renderItem={({ item, separators }) => ( <TouchableHighlight onPress={() => this._onPress(item)} onShowUnderlay={separators.highlight} onHideUnderlay={separators.unhighlight} > <Text> {item.title} </Text> </TouchableHighlight> )} keyExtractor={item => item.id} ListFooterComponent={this.renderFooter} onEndReached={this.props.handleLoadMore} onEndThreshold={0} /> And my handleLoadMore handleLoadMore = () => { console

2021-06-21 10:11:39    分类:问答    javascript   react-native   react-native-flatlist

React Native nested ListView triggers onEndReached multiple times on loading

Here's the code: <ScrollView> { tree.myPoiComments.CommentInfo && tree.myPoiComments.CommentInfo.length>0 && <FlatList data={tree.myPoiComments.CommentInfo} keyExtractor = {(item, index) => item.CommentId} ListHeaderComponent = {() => <View> <Text style={styles.listHeader}>My Comments</Text> </View>} renderItem= {({item}) => <CommentItem comment={item} owner={1} />} /> } { tree.poiComments.CommentInfo && tree.poiComments.CommentInfo.length>0 && <FlatList data={tree.poiComments.CommentInfo} keyExtractor = {(item, index) => item.CommentId} onEndReachedThreshold={1} onEndReached={(info) => {

2021-06-21 10:06:20    分类:问答    listview   react-native   nested-lists   react-native-flatlist

Why FlatList is not updating dynamically in React Native

I'm very new to react native and I'm trying to update list dynamically. Below is my code: import React, { Component } from "react"; import { View, Text, StyleSheet, FlatList } from "react-native"; import { Tile, ListItem, List } from "react-native-elements"; export default class JoinSession extends Component { constructor() { super(); this.state = { dataToRender: [{ "id": "0", "name": "name0", "des": "des0" }] } } componentDidMount() { var counter = 0; const interval = setInterval(() => { try { var temp = { "id": ++counter + "", "name": "name" + counter, "des": "des" + counter } let tempArray

2021-06-14 17:17:11    分类:问答    javascript   react-native   react-native-flatlist

React Native FlatList horizontal mode not working at all

I am using React Native 0.44.0 and I am attempting to make a horizontal FlatList using a card style layout. For whatever reason, no matter what I do, I cannot get the horizontal mode to activate. It always seems to render vertically... Here is the code I am using: <FlatList horizontal={true} data={this.state.newsFeed} refreshing={this.state.refreshing} ref={ref => { this.newsFeedListRef = ref; }} renderItem={this.renderNewsFeedRow.bind(this)} keyExtractor={(item, index) => `feed_${index}`} onRefresh={this.__handleNewsFeedOnRefresh.bind(this)} renderScrollComponent={this.renderScrollComponent

2021-06-14 05:06:04    分类:问答    javascript   reactjs   react-native   react-native-flatlist