您的问题是每次更改国家/地区时都将indiaProvince和usaProvince推入provinces，当更改国家/地区两次时，将...
import 'package:dropdown_flutter/custom_dropdown.dart'; Example usage 1. Dropdown Flutter import 'package:dropdown_flutter/custom_dropdown.dart'; import 'package:flutter/material.dart'; import 'dart:developer'; const List<String> _list = [ 'Developer', 'Designer', 'Consultant', 'Student',...
List<DropdownMenuItem<String>> items = List(); for (String fruit in fruits) { items.add(DropdownMenuItem(value: fruit, child: Text(fruit))); } return items; }void changedDropDownItem(String selectedFruit) { setState(() { _selectedFruit = selectedFruit; ...
Code Issues Pull requests A dead-simpe, UIKit-based dropdown menu, written in Swift swift uikit menu dropdown-menus dropdownmenu drop-down dropdown-menu dropdownbutton Updated Jun 19, 2018 Swift shahi5472 / Flutter-Drop-Down-Example Star 3 Code Issues Pull requests This is a drop...
I am still new to Flutter. Is there an example of a material dropdown list text field? I saw the example on Material Text Field but I didn't find anywhere in the documentation on how to implement this. Thanks for your help on this. text field dropdown flutter Share Improve this ques...
试试这个：
编译器会帮助开发人员在每个构造函数开头放入一段代码，这段代码会把开发人员在定义成员字段时所指定的...
if (obj[i].checked) { demand += obj[i].value + ',';//如果选中，将value添加 ...
Example Project There is an example project in theexamplefolder. Check it out. Otherwise, keep reading to get up and running. Usage Sample 1 import 'package:flutter/material.dart'; import 'package:direct_select/direct_select.dart'; class _MyHomePageState extends State<MyHomePage> { ...
Code sample (taken from [DropdownMenu docs](https://main-api.flutter.dev/flutter/material/DropdownMenu-class.html)) import'package:collection/collection.dart';import'package:flutter/material.dart';// Flutter code sample for [DropdownMenu]s. The first dropdown menu// has the default outlined ...