在Flutter的官方SDK中给我们提供了下拉刷新的组件RefreshIndicator，但是没有提供上拉分页加载更多的组件。
方法2:第一次animateTo后,判断maxScrollExtent是否和第一次前的估算值一致,不一致的话,再滚动一次。 listScrollController.animateTo(maxScrollExtent,duration:Duration(milliseconds:200),curve:Curves.linear).whenComplete((){if(!listScrollController.hasClients)return;varafter=listScrollController.position.maxScrollExten...
flutter scrollposition 使用例子 在Flutter 中,ScrollPosition 是一个抽象类,用于管理可滚动组件的滚动位置。下面是一个简单的使用例子: import 'package:flutter/material.dart'; class MyScrollableWidget extends StatefulWidget { @override _MyScrollableWidgetState createState() => _MyScrollableWidgetState();...
在Flutter的官方SDK中给我们提供了下拉刷新的组件RefreshIndicator，但是没有提供上拉分页加载更多的组件。
scroll_to_index是一个用于在 Flutter 中实现列表滚动到指定索引的库 依赖 scroll_to_index: ^3.0.1 #滑动位置 使用 classScrollToIndexExampleextendsStatefulWidget { @override _ScrollToIndexExampleState createState()=>_ScrollToIndexExampleState();
Flutter使用ScrollBar设置thumbVisibility属性出现Another exception was thrown: The Scrollbar's ScrollController has no ScrollPosition attached.错误的解决方法 ══╡ EXCEPTION CAUGHTBYSCHEDULERLIBRARY ╞═══════════════════════════════════════════════...
HansMulleraddedframeworkflutter/packages/flutter repository. See also f: labels.f: scrollingViewports, list views, slivers, etc.a: desktopRunning on desktoplabelsMay 22, 2023 Copy link Contributor PiinkscommentedMay 22, 2023 ScrollPosition.isScrollingNotifier will not work for mouse scrolling in the...
Widget build(BuildContext context) { final hasScroll = MediaQuery.of(context).size.height < scrollController.position.maxScrollExtent; But as I understand it does't work because _scrollController does't attach during build() function. dart flutter Share Improve this question Follow edited May ...
Here's the interesting part: When the program runs, if a user adds one item and then presses button, the scrollbar doesn't scroll down fully.However, if the user presses the cancel button, it scrolls down to the bottom correctly. Could this be a rendering issue with Flutter?
ScrollPosition:这是ScrollController内部使用的一个类,用于表示滚动位置的状态。通常,开发者不需要直接操作ScrollPosition,而是通过ScrollController来间接管理它。 在Flutter中,当你创建一个ScrollController时,它内部会自动创建一个ScrollPosition实例来管理滚动位置。然而,如果ScrollController没有被正确地附加到一个可滚动的组件...