dependencies: multi_dropdown: ^latest_version Run flutter packages get Example import 'package:flutter/material.dart'; import 'package:multiselect_dropdown/multiselect_dropdown.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({Key? key}) : super...
由于DropdownButton本身不支持多选,我们需要使用其他方法来实现。一个常见的方法是使用Dialog和CheckboxListTile来创建一个自定义的多选下拉菜单。 dart class MultiSelectDropdownWidget extends StatefulWidget { @override _MultiSelectDropdownWidgetState createState() => _MultiSelectDropdownWidgetState(); } class ...
是由以下几个可能的原因导致的: 1. 数据源问题:确保数据源正确并且已经成功加载到DropdownMenu中。检查数据源是否为空、是否包含所需的数据项,并确保数据项的格式与DropdownMenu的...
multiSelect( items: _jobItems, initialItems: _jobItems.take(1).toList(), onListChanged: (value) { log('changing value to: $value'); }, ); } } 4. Dropdown Flutter with search: A Dropdown Flutter with the possibility to filter the items. First, let's enhance our Job model with ...
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('Multi-Select Staggered Grid View'), ), body: MultiSelectStaggeredGrid...
This practical article shows you two different ways to programmatically detect whether the soft keyboard is showing up or not in a Flutter application. The first approach uses self-written code and the second one uses a third-party...
dart 如何在Flutter中打开DropdownSearch小部件时隐藏AppBar返回按钮？首先，当你使用Getx时，不要使用set...
在flutter中，如何实现多选下拉列表我希望这个软件包可以帮助你https://pub.dev/packages/multi_select_...
在Flutter中,下拉菜单中的多个选择可以通过DropdownButtonFormField小部件实现。 DropdownButtonFormField是一个表单字段小部件,它提供了在多个选项中选择一个选项的下拉菜单。它具有以下特点: 概念:DropdownButtonFormField是一个可展开的菜单按钮,当按钮被点击时,会弹出一个下拉菜单,用户可以从多个选项中选择一个。 分...
DropdownRoutePage should dispose the created ScrollController. by @polina-c in #133941 Fix ExpansionTile properties cannot be updated with setState by @TahaTesser in #134218 [integration_test] Allow capture of screenshots for FlutterFragmentActivitys by @gmackall in #132406 _SearchBarState should...