1. 循环数据，生成列表效果。 import 'package:flutter/material.dart'; void main(){ runApp(...
lib\widget\selection\dropdown_button.dart /* * DropdownButton - 下拉框 * *注:DropdownButton 必须放到一个 Material 组件内,否则会报错 */import'package:flutter/material.dart';import'../../helper.dart';classDropdownButtonDemoextendsStatefulWidget{constDropdownButtonDemo({Key? key}) :super(key: ...
More from Naveen Srivastava and FlutterDevs In FlutterDevs by Naveen Srivastava Explore Widget Lifecycle In Flutter Flutter is a mobile framework that helps to modernize both iOS and Android app from a single codebase. It is a combination of stateful and… Jun 17, 2021 1 In FlutterDevs by Pa...
Flutter 允许您使用FloatingActionButton小部件添加浮动操作按钮。但是，它不允许您拖动按钮。如果你想让它...
Flutter 跨端技术一经推出便在业内赢得了不错的口碑,它在“多端一致”和“渲染性能”上的优势让其他跨端方案很难比拟。虽然 Flutter 的成长曲线和未来前景看起来都很好,但不可否认的是,目前 Flutter 仍处在发展阶段,很多大型互联网企业都无法毫无顾虑地让全线 App 接入,而其中最主要的顾虑是包大小与动态化。
Now the widget: import 'package:dropdown_flutter/custom_dropdown.dart'; import 'package:flutter/material.dart'; import 'dart:developer'; const List<Job> _list = [ Job('Developer', Icons.developer_mode), Job('Designer', Icons.design_services), Job('Consultant', Icons.account_balance), Job...
gzx_dropdown_menu是一个 Flutter自定义功能强大的轻量级下拉筛选菜单Package,它支持iOS和Android。 功能介绍 A custom is strong dropdown menu for Flutter. Easy to use and powerful for customization, it's up to you what you want to display in the dropdown menu!
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(key: key); @override Widget build(BuildContext context) { return MaterialApp...
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('DropdownButtonFormField Example'), ), body: Padding( padding: const...
as RenderBox; return renderLogo.size;}@overrideWidget build(BuildContext context) { return Column( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ Offstage( offstage: _isLoggedIn, child: FlutterLogo( key: _key, size: 150.0, ), ), Text('Flutter logo is offstage: $_offstage...