1. 使用DropdownButton和CheckboxListTile结合AlertDialog 这种方法利用了DropdownButton和CheckboxListTile组件,结合AlertDialog来实现多选功能。 步骤: 创建自定义的MultiSelect Widget: dart class MultiSelect extends StatefulWidget { final List<String> items; const MultiSelect({Key? key, required this.items}...
You can use DropdownButton2 as Multiselect Dropdown with Checkboxes as shown in the examples. You can use DropdownButton2 as Searchable Dropdown as shown in the examples. You can use DropdownButton2 as a popup menu button by using the parameter customButton. You can pass Icon,Image or an...
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...
Fix DropdownButtonFormField input border clipping by @TahaTesser in #131481 Fix PopupMenuItem & CheckedPopupMenuItem has redundant ListTile padding and update default horizontal padding for Material 3 by @TahaTesser in #131609 Analyze code snippets in flutter_test docs by @goderbauer in #132246...
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...
您的代码正常工作 // Multiselectvar multiSelect = [];multiSelect.push('#specialties');$.each(multiSelect, function(index, value) { console.info({value}); // Outputs: '#specialties' // This ALSO fires $(value).change(function() { console.info('test'); });}); <script src="https://...
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然后让你的showBackButton值可以被来自Getx的.obs观察到。然后使用Getx提供的Obx小部件 Package 您的App...
MultiSelectSearchRequestDropdown import 'package:dropdown_flutter/custom_dropdown.dart'; import 'package:flutter/material.dart'; import 'dart:developer'; const List<Pair> _list = [ Pair('Developer', Icons.developer_board), Pair('Designer', Icons.deblur_sharp), Pair('Consultant', Icons.money_...
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...