Image,TouchableHighlight,RefreshControl,View}from'react-native';classRefreshControlDemoextendsComponent{constructor(props){super(props);constds=newListView.DataSource({rowHasChanged:(r1,r2)=>r1!==r2});this.state={isRefreshing:false,dataSource:ds.cloneWithRows(this._genRows(-1)),};}_genRows(flag)...
varrows =this.state.rowData.map((row, indexKey) => { return<ListRowComponent key={indexKey} data={row}/>; }); return( <ScrollView style={styles.scrollview} refreshControl={ <RefreshControl refreshing={this.state.isRefreshing} onRefresh={this.onRefresh.bind(this)}//(()=>this.onRefresh)...
} from'react-native'; exportdefaultclassScrollRefreshControl extends Component{//state数据state = { text:'初始状态', refreshing:false};//下拉视图开始刷新时调用_onRefresh() {if(this.state.refreshing ===false) {this._updateState('正在刷新...',true);//5秒后结束刷新setTimeout( ()=>{this._...
1. 逻辑代码 import React, { Component } from 'react'; import { StyleSheet, RefreshControl, View, Text, ScrollView } from 'react-native'; export default class App extends Component { constructor(props) { super(props); this.state = { isRefreshing:false, } } _onRefresh() { this.setState(...
React Native 提供了RefreshControl组件,可以用在 ScrollView 或 FlatList 内部,为其添加下拉刷新的功能。 RefreshControl 内部实现是分别封装了 iOS 环境下的UIRefreshControl和安卓环境下的AndroidSwipeRefreshLayout,两个都是移动端的原生组件。 由于适配的原生方案不同,RefreshControl 不支持自定义,只支持一些简单的参数修改...
4. 将自定义的 RefreshControl 组件集成到 React Native 应用中 将自定义的 RefreshControl 组件作为 ScrollView 的refreshControl 属性使用: jsx <ScrollView refreshControl={ <CustomRefreshControl onRefresh={this._handleRefresh} /> } > {/* 列表内容 */} </ScrollView> 5. 测试自定义...
} from'react-native'; classRefreshControlDemoextendsComponent { constructor(props) { super(props); constds=newListView.DataSource({rowHasChanged:(r1, r2)=>r1!==r2}); this.state={ isRefreshing:false, dataSource:ds.cloneWithRows(this._genRows(-1)), ...
`onRefresh`:下拉到一定程度,调用此方法开始刷新功能`refreshing`:是否显示刷新控制器`tintColor`:刷新器(圈圈)的颜色`title`:刷新器的文字 在ScrollView中运用: importReact,{Component}from'react';import{AppRegistry,View,RefreshControl,ScrollView,TouchableWithoutFeedback,Text}from'react-native';classRow extends Co...
React Native中的RefreshContorl下拉刷新使用 我们知道App中都有下拉加载,在React Native中也有类似的控件 一、属性方法 (1) onRefresh function 在视图开始刷新的时候调用 (2) refreshing bool 视图是否在刷新时显示指示器,也表明当前是否在刷新中 (3) colors [ColorPropType] android平台适用 进行设置加载进去指示器...
import{requireNativeComponent}from'react-native';varTangram=requireNativeComponent('TangramRefreshControl'); 接着在scrollview上 <ScrollView refreshControl={<Tangram refreshing={this.state.refreshing}onRefresh={this._handleRefresh}/>}></ScrollView>