Next, every time we scroll near the bottom of the ListView, a function named _loadMore will be called and this function will load 20 more posts. Advertisements After all the posts from the API have been loaded,
context: context, child:EasyRefresh( // 这个包在ListView的外边,需要加载的列表 refreshFooter: ClassicsFooter( key: _footerKey, bgColor: Colors.white, textColor: Colors.red, moreInfoColor: Colors.red, showMore:true, noMoreText:'没有数据了', moreInfo:"加载更多",//loadReadyText:"加载中",//上...
( onRefresh: _onRefresh, child: ListView.builder( itemCount: _listData.length+1, //增加了一个上拉加载更多的指示 itemBuilder: (BuildContext context, int index) { if (index == _listData.length) { return _buildProgressMoreIndicator(); } else { return getItem(context,index); } }, ...
delayed(Duration(seconds: 0, milliseconds: 100)); load(); return true; } properties use: child: Widget ,required , support ListView ListView.builder ListView.separated, other is not support. onLoadMore:required A Function , `typedef Future<bool> FutureCallBack();` , reture true is success ...
tristanzeng/flutter_load_more_demoPublic NotificationsYou must be signed in to change notification settings Fork0 Star2 master 1Branch0Tags Code README 基础方式 Flutter关于加载更多最基本也是最简单的一种实现方式是:判断当ListView的构造器在开始构造最后一条布局的时候,将此布局替换为“加载更多”的布局。
将刷新组件嵌入滑动组件中,因为聊天界面都是由下往上滑,所以ListView设置了reverse: true实现反转列表组件。组件itemCount的值设置消息数组长度+1,因为设置了reverse,所以需要将刷新加载组件放到当index == 消息长度的位置。 代码语言:javascript 代码运行次数:0 ...
【个人译文】在Flutter ListView中实现经典的滚动加载 hypocrite 随性主义者 中意设计 | 敬畏技术。 1 人赞同了该文章 引言:在日常的开发环境中,ListView 是使用频率非常高的一个 Widget ,在多数情况下由于原加载数据量的庞大,我们需要进行分页操作,本文将引入列表滚动加载的经典实践。
: IndicatorStatus.LoadingMoreBusying; if (preStatus == IndicatorStatus.Error) { onStateChanged(this); } isLoading = true; var isSuccess = await loadData(); isLoading = false; if (isSuccess) { if (this.length == 0) indicatorStatus = IndicatorStatus.Empty; ...
onLoadmore!(); } if (mounted) { setState(() { _isLoading = false; }); } } }); } @override void dispose() { _scrollController!.dispose(); super.dispose(); } @override Widget build(BuildContext context) { Widget mainWiget = ListView( /// Solve the problem that there are too ...
body: ListView( scrollDirection: Axis.vertical, // reverse: true, //vertical = 默认 false:布局从上倒下 true:从下往上 //horizontal = 默认 false:布局从左倒右 true:从右往左 // shrinkWrap: true, padding: EdgeInsets.all(20), children: <Widget>[ ...