在这个示例中,我们在initState方法中延迟2秒后调用_scrollToBottom方法,模拟数据加载完成后的行为。同时,在ListView的底部添加了一个浮动按钮,点击按钮时也会调用_scrollToBottom方法,将ListView滚动到最底部。 注意: animateTo方法提供了平滑滚动的效果,如果需要瞬间跳转到最底部,可以使用jumpTo方法。 确保在dispose方法中...
Flutter的ListView组件,虽然很好用,但是数据量大的时候,在低配置的机器上会奇卡无比,所以我封装了一个ListView组件,对数据进行截断,并使用 keframe 插件进行流畅性优化,提升低配置设备的用户体验。 具体可直接查看代码示例,配有相关注释。 Sorry, your browser does not support the video tag. ...
duration: const Duration(milliseconds: 1), curve: Curves.fastOutSlowIn); }); }, To jump listview from Bottom to Top, you can use the below snippet. onPressed: () async { SchedulerBinding.instance?.addPostFrameCallback((_) { _scrollController.animateTo( _scrollController.position.minScrollExten...
Use ScrollController.jumpTo() or ScrollController.animateTo() method to achieve this.Here is code snippet (After 1 second, the ListView will scroll to the bottom)by CopsOnRoad class _HomePageState extends State<HomePage> { ScrollController _controller = ScrollController(); @override Widget build(Buil...
import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('ListView from Bottom')), body: ListViewFromBottom(), ), ); } }...
title: const Text('scroll to item Demo'), ), body: ListView( controller: scrollController, children: [ ...List<int>.generate(100, (index) => index) .map( (e) => Container( margin: const EdgeInsets.only(bottom: 10, left: 10, right: 10), ...
ListView({ Key? key, Axis scrollDirection = Axis.vertical, bool reverse = false, ScrollController? controller, // 滚动控制器 , 监听上拉加载更多 bool? primary, ScrollPhysics? physics, bool shrinkWrap = false, EdgeInsetsGeometry? padding,
build(BuildContext context) { return ListView( controller: _scrollController, children: _messages.map((msg) => ChatBubble(msg)).toList(), ); } ScrollController.animateTo() and ScrollPosition.maxScrollExtent can be used together to smoothly scroll to the bottom of the view:_...
body: ListView( //改变滚动方向 //scrollDirection: Axis.horizontal, scrollDirection: Axis.vertical, children: _myList(), ), ), ); } List<Widget> _myList() { return NAMES.map((name) => _item(name)).toList(); } Widget _item(String name) { ...
和尚上次尝试 ListView 异步加载列表数据时，用了三方库 flutter_refresh，这种方式使用很简单。但列表数据...