KevinMiGuan的博客

import 'package:flutter/material.dart'; // class OnlineRepairs extends StatelessWidget{ // @override // Widget build(BuildContext context) { // // TODO: implement build // return Example(); // } // // @override // // _ExampleState creat.

ARGB颜色透明度全量 color: Color(0xFF5e12a9) 00%=FF（不透明） 5%=F2 10%=E5 15%=D8 20%=CC 25%=BF 30%=B2 35%=A5 40%=99 45%=8c 50%=7F 55%=72 60%=66 65%=59 70%=4c 75%=3F 80%=33 85%=21 90%=19 95%=0c 100%=00（全透明）

import 'package:flutter/material.dart'; 2 3 class Example extends StatefulWidget { 4 @override 5 _ExampleState createState() => _ExampleState(); 6 } 7 8 class _ExampleState extends State<ExamplePage> { 9 List formList; 10 ..

1.找到Flutter项目下的gradle->buildgradle代码，将其改成 repositories { maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/jcenter' } maven { url 'http://maven.aliyun.com/nexus/conten

在window系统终端输入如下代码 set PUB_HOSTED_URL=https://pub.flutter-io.cn set FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

1.dart生成arb文件 flutter pub pub run intl_translation:extract_to_arb --out put-dir=lib/i18n/intl/ lib/i18n/intl/ninghao_demo_localizations.dart 2.arb文件转换成dart文件 flutter pub pub run intl_translation:gen...

new Offstage( offstage: true, //组件是否显示 child: Container(color: Colors.blue,height: 100.0,), ),

import 'package:flutter/material.dart'; void main(){ runApp(MyApp()); } class MyApp extends StatelessWidget{ List<String> items = new List<String>.generate(30, (i) => "列表项${i+1}")...

import 'package:flutter/material.dart'; void main(){ runApp(MyApp()); } class MyButton extends StatelessWidget{ @override Widget build(BuildContext context) { // TODO: implement build r...

#页面跳转发送数据 import 'package:flutter/material.dart'; void main(){ runApp(MyApp()); } class Product{ final String title; final String description; Product(this.title, this.description); } class ...

import 'package:flutter/material.dart'; void main(){ runApp(MyApp()); } class MyApp extends StatelessWidget{ List<Container> buildGridTitleList(int count){ return new List<Container&...

import 'package:flutter/material.dart'; class DidiSample extends StatelessWidget{ Choice _selectedChoice = choices[0]; @override Widget build(BuildContext context) { // TODO: implement b...

一、Flutter AppBar示例一 二、Flutter AppBa示例二 三、Flutter GridView 网络布局示例 四、Flutter GestureDetector 手势处理示例 五、Flutter Dismissible 滑动删除示例 六、Flutter Offstage组件是否显示示例 七、Flutter 生成二维码示例 八、Flutter 添加从左向右滑动，返回...

import 'package:flutter/material.dart'; class DidiSample extends StatefulWidget{ @override _DidiSampleState createState() => new _DidiSampleState(); } class _DidiSampleState extends State<...

#只需在MaterialApp的主题里添加platform: TargetPlatform.iOS即可，代码示例如下： return MaterialApp( theme: ThemeData( platform: TargetPlatform.iOS, ) )

#首先需要在pubspec.yaml:中添加 qr_flutter: ^1.1.3 其次，引入代码： import 'package:qr_flutter/qr_flutter.dart'; 核心代码如下： child: QrImage( data: "这里是需要生成二维码的数据", size: 100.0, onError:...