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Passing values from Stateless Widgets to other Stateless Widgets and Making New widgets to write cleaner code and remove repetitive code
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| //Passing values from Stateless Widgets to other Stateless Widgets and Making New widgets to write cleaner code and remove repetitive code | |
| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(MyApp()); | |
| } | |
| class MyApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| theme: ThemeData.dark(), | |
| home: Scaffold( | |
| appBar: AppBar( | |
| title: Text('Stateless/Clean Code'), | |
| ), | |
| body: StatelessOne(),),);} | |
| } | |
| class StatelessOne extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return Center( | |
| child: Column( | |
| mainAxisAlignment: MainAxisAlignment.spaceEvenly, | |
| children: [ | |
| Text( | |
| 'Widget color can be customised without \nhaving to retype the entire code'), | |
| StatelessTwo(myColor = Colors | |
| .green), //here we wrote cleaner code, because made the repeated code as a custom widget. | |
| StatelessTwo(Colors.pink), | |
| StatelessTwo(Colors.blue), | |
| StatelessTwo(Colors.orange), | |
| ],),);} | |
| } | |
| //creating our own stateless widget which we will use multiple times in the first class called StatelessOne | |
| class StatelessTwo extends StatelessWidget { | |
| // for e.g u have a UI that makes these boxes above (there are other ways to do it also but for begginers use this without going into listview etc.) | |
| final Color myColor; | |
| StatelessTwo(this.myColor); | |
| @override | |
| Widget build(BuildContext context) { | |
| return Container( | |
| height: 120, | |
| width: 250, | |
| color: myColor, | |
| child: Center(child: Text('Your Repetitive Widget')), | |
| );} | |
| } |
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