Created
August 30, 2020 14:53
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Source code of Stack tutorial.
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| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(MyApp()); | |
| } | |
| class MyApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| theme: ThemeData( | |
| primarySwatch: Colors.blue, | |
| visualDensity: VisualDensity.adaptivePlatformDensity, | |
| ), | |
| home: MyHomePage(), | |
| ); | |
| } | |
| } | |
| class MyHomePage extends StatefulWidget { | |
| @override | |
| _MyHomePageState createState() => _MyHomePageState(); | |
| } | |
| class _MyHomePageState extends State<MyHomePage> { | |
| @override | |
| Widget build(BuildContext context) { | |
| return Scaffold( | |
| appBar: AppBar( | |
| title: Text("Stack"), | |
| ), | |
| body: Center( | |
| child: Container( | |
| width: 400, | |
| height: 400, | |
| color: Colors.yellow, | |
| child: Stack( | |
| alignment: Alignment.topLeft, | |
| clipBehavior: Clip.hardEdge, | |
| children: [ | |
| Container( | |
| width: 150, | |
| height: 150, | |
| color: Colors.green, | |
| ), | |
| Align( | |
| alignment: Alignment(-0.5,-0.5), | |
| child: Container( | |
| width: 200, | |
| height: 200, | |
| color: Colors.red, | |
| ), | |
| ), | |
| Positioned( | |
| left: -10, | |
| top: -200, | |
| height: 300, | |
| child: Container( | |
| width: 200, | |
| height: 200, | |
| color: Colors.transparent, | |
| ), | |
| ), | |
| ], | |
| ), | |
| ), | |
| ), | |
| ); | |
| } | |
| } |
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