weixin_45376030的博客

import 'dart:async';import 'package:flutter/material.dart';//实现页面定时交替显示红黑两色的效果class AlarmPage extends StatefulWidget { @override _AlarmPageState createState() => _AlarmPageState();}clas...

缩放动画和渐显渐隐动画import 'package:flutter/material.dart';import 'animation7.dart';//通用‘切换动画’组件//AnimatedSwitcherclass AnimatedSwitcherCounterRoute extends StatefulWidget { const AnimatedSwitcherCoun...

import 'package:flutter/material.dart';import 'animation5_2.dart';class StaggerRoute extends StatefulWidget { @override _StaggerRouteState createState() => _StaggerRouteState();}class _S...

import 'package:flutter/cupertino.dart';import 'package:flutter/material.dart';void main() => runApp(MyApp());class MyApp extends StatelessWidget { @override Widget build(BuildContext cont...

import 'package:flutter/material.dart';void main() => runApp(MyApp());class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( titl...

import 'package:animation_demo/animation4.dart';import 'package:flutter/material.dart';import 'animation1.dart';import 'animation2.dart';import 'animation3.dart';void main() => runApp(MyApp(...

命名路由+参数传递import 'package:flutter/material.dart';void main() => runApp(MyApp());class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp(...

import 'package:flutter/material.dart';//导航参数的传递和接收//定义商品类class Product { final String title; final String description; Product(this.title, this.description);}void main() { runApp(Mater...

import 'package:flutter/material.dart';//页面导航void main() { runApp(MaterialApp( title: '首页', home: HomePage(), ));}class HomePage extends StatelessWidget { @override Widget build(...

水平布局//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp());//类，继承无状态组件class MyApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(B...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp());//类，继承无状态组件class MyApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(BuildCon...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp(items: List<String>.generate(20, (i) => "Item $i"))); //传参//类，继承无状态组件class MyApp extends StatelessWi...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp());//类，继承无状态组件class MyApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(BuildCon...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp());//类，继承无状态组件class MyApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(BuildCon...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(MyApp());//类，继承无状态组件class MyApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(BuildCon...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(myApp());//类，继承无状态组件class myApp extends StatelessWidget { //重写函数 @override //返回值为Widget类型 Widget build(BuildCon...

//引入库import 'package:flutter/material.dart';//主函数void main() => runApp(myApp());//类，继承无状态组件class myApp extends StatelessWidget{ //重写函数 @override //返回值为Widget类型 Widget build(BuildContex...