void refreshData() { id++; } onGoBack(dynamic value) { refreshData(); setState(() {}); } void navigateSecondPage() { Route route=MaterialPageRoute(builder: (context)=> SecondPage()); Navigator.push(context, route).then(onGoBack); ...
class UpRefreshPageViewPageState extends BaseAppBarPageState<UpRefreshPageViewPage> { final PageController _controller = new PageController(); @override String buildInitState() { buildBackBar("pageView 下拉刷新 ", backIcon: Icons.arrow_back_ios); //设置pageView 滑动监听 _controller.addListener(()...
设置RefreshIndicator挂件需要使用RefreshIndicator包裹你的可滚动的挂件,并且提供一个Future函数给onRefresh回调。在这个回调函数中,我们定义获取新数据逻辑并更新页面内容。 Future<void> _handleRefresh() async { // 拉去新数据并更新 UI } 1. 2. 3. RefreshIndicator挂件也允许我们自定义外观和行为,比如颜色和移动,...
示例代码 import'dart:async';import'package:flutter/material.dart';voidmain(){runApp(MyApp());}classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){returnMaterialApp(title:'Refresh on Go Back',home:HomePage(),);}}classHomePageextendsStatefulWidget{@override_HomePageStatecreateState()...
onRefreshCallback: () {page = 1;modelList.clear();setState(() {}); },//必填 tokenInvalidCallback: () { },,//登录失效回调 dataCallback: (List<dynamic> data) { data.forEach((v) { modelList.add(new SimpleDataBean.fromJson(v)); ...
flutter_refresh_page_Main_Image_f32559f114.webp 在移动端应用中,为用户提供一个直观的方式来更新内容是很重要的。在丰富的挂件中,Flutter提供了一个很好的方式实现下拉来刷新应用。这个手势,对很多用户来说很熟悉,就是下拉页面来触发更新的动作,获取新的数据并更新屏幕展示。
final RefreshCallback onRefresh; RefreshCallback 类型是一个返回值为 Future 的方法 ; 代码语言:javascript 复制 typedef RefreshCallback=Future<void>Function(); RefreshIndicator 构造函数原型 : 代码语言:javascript 复制 /// The signature for a function that's called when the user has dragged a/// [...
// 定义 ListView 循环列表项的数量num itemCount=10;// WidgetRefreshIndicator(onRefresh:_onRefresh,//下拉刷新回调displacement:40,//指示器显示时距顶部位置color:Colors.red,//指示器颜色,默认ThemeData.accentColorbackgroundColor:Colors.blue,//指示器背景颜色,默认ThemeData.canvasColornotificationPredicate:default...
voidpushContainer(String?pageName,{String?uniqueId,boolisFromHost=false,Map<String,dynamic>?arguments}){...finalcontainer=_createContainer(pageInfo);finalpreviousContainer=topContainer;containers.add(container);BoostLifecycleBinding.instance.containerDidPush(container,previousContainer);refreshOnPush(container...
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