flutter create swipe_to_delete_app cd swipe_to_delete_app 对于滑动删除功能,Flutter社区已经有一些成熟的第三方库,如dismissible_flutter或flutter_swipe_action_cell。不过,为了演示目的,我们将手动实现一个基本的滑动删除功能,而不依赖外部库。 2. 构建列表视图(ListView)以展示可滑动删除的项目 在你的main.dar...
一、三大必知开源组件库(开发效率提升300%) 1.ChatView 核心功能:支持消息状态追踪、手势交互、多类型消息容器 杀手锏:内置DoubleTapToReply(双击回复)和SwipeToDelete(侧滑删除)交互 ChatView( chatController: _controller, featureActiveConfig: FeatureActiveConfig( enableReactionPopup:true, // 开启表情反应 enable...
@overrideWidgetbuild(BuildContext context){returnMaterialApp( title:'Welcome to Flutter', home: Scaffold( appBar: AppBar( title:constText('Welcome to Flutter'), ), body:constCenter(child: Text('Hello world'), ), ), ); } } content_copy 下面的图片为大家展示了通过 Material Design widget 所...
已经整好了listView,后续需要加入右滑删除,在网上查了一堆资料,最终整理了一个无侵入性的 1.建立SwipeItemLayout (作为子项item的最外层布局)import android.content.Context; import android.support.v4.view.ViewCompat; import android.util.AttributeS
Swipe 左滑右滑删除 https://github.com/letsar/flu... Widget _swipe(int i, String title, String desc) { return new Slidable( delegate: new SlidableDrawerDelegate(), actionExtentRatio: 0.25, child: new Container( color: Colors.white, ...
Delete function From here onwards, we are going to introduce an enum to store the status of any http request. Any http request should return typeHttpRequestStatus. enum HttpRequestStatus { NOT_DONE, DONE, ERROR } Dismissible We are going to implement swipe to delete which is a very common...
void _deleteTodo(String text) { setState(() { _todos = _todos.where((todo) => todo != text).toList(); }); } @override Widget build(BuildContext context) { return ListView.builder( itemCount: _todos.length, itemBuilder: (context, index) { ...
Steps to reproduce 1.Create a ListView with 35 items. 2.Use a Dismissible widget for each item inside the ListView. 3.Scroll the list up and down. 4.Observe that when starting the scroll with a diagonal swipe motion, sometimes items get ...
5 Flutter的性能可以算优化的不错了，但是某些具体场景，比如超大内容量的ListView，或者类似地图的大量...
Example 1: Simple delete the item in ListView Tip: put the code in the itemBuilder of your ListView SwipeActionCell( key: ObjectKey(list[index]), /// this key is necessary trailingActions: <SwipeAction>[ SwipeAction( title: "delete", onTap: (CompletionHandler handler) async { list.re...