Christian Findlay MelbourneDeveloper
🏠
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| void main() { | |
| var dayOfWeek = 'Monday'; | |
| var dayNumber = switch (dayOfWeek) { | |
| 'Monday' => 1, | |
| 'Tuesday' => 2, | |
| 'Wednesday' => 3, | |
| 'Thursday' => 4, | |
| 'Friday' => 5, | |
| 'Saturday' => 6, | |
| 'Sunday' => 7, |
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| import 'package:flutter/material.dart'; | |
| void main() => runApp( | |
| MaterialApp( | |
| debugShowCheckedModeBanner: false, | |
| home: Scaffold( | |
| body: Center( | |
| child: FutureBuilder( | |
| future: Future<String>.delayed( | |
| const Duration(seconds: 3), () => 'Hello World!'), |
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| import 'package:flutter/material.dart'; | |
| final colors = [ | |
| const Color.fromARGB(255, 255, 0, 0), | |
| const Color.fromARGB(255, 0, 255, 0), | |
| const Color.fromARGB(255, 0, 0, 255), | |
| ]; | |
| void main() { | |
| runApp( |
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| import 'package:flutter/material.dart'; | |
| void main() => runApp( | |
| MaterialApp( | |
| theme: ThemeData( | |
| useMaterial3: true, | |
| colorScheme: ColorScheme.fromSeed(seedColor: Colors.red) | |
| .copyWith(surface: Colors.pink), | |
| cardTheme: CardTheme( | |
| shape: RoundedRectangleBorder( |
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| import 'package:flutter/material.dart'; | |
| void main() => runApp( | |
| MaterialApp( | |
| theme: ThemeData( | |
| fontFamily: 'Roboto', | |
| useMaterial3: true, | |
| textTheme: const TextTheme( | |
| bodyMedium: TextStyle( | |
| color: Colors.red, |
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| import 'package:flutter/material.dart'; | |
| void main() => runApp( | |
| MaterialApp( | |
| theme: ThemeData( | |
| brightness: Brightness.light, | |
| useMaterial3: true, | |
| colorScheme: ColorScheme.fromSwatch( | |
| primarySwatch: Colors.blue, | |
| ).copyWith( |
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| import 'package:flutter/material.dart'; | |
| ThemeData lightTheme = ThemeData( | |
| brightness: Brightness.light, | |
| colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue), | |
| ); | |
| ThemeData darkTheme = ThemeData( | |
| brightness: Brightness.dark, | |
| colorScheme: ColorScheme.fromSeed( |
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| import 'package:flutter/material.dart'; | |
| import 'dart:async'; | |
| ///🎮 Controller | |
| ///This class handles business logic and notifies listeners when the state changes. | |
| ///In this example, the controller holds the state, which is the counter. | |
| ///The state is mutable | |
| class CounterController extends ChangeNotifier { | |
| CounterController(this.apiService); |
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| import 'dart:async'; | |
| import 'package:test/test.dart'; | |
| class User { | |
| final String displayName; | |
| final String email; | |
| User(this.displayName, this.email); | |
| } |
MelbourneDeveloper
/ main.dart
Created
April 17, 2023 05:10
Different Appraches To Conditional Display
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| // ✅ 1. Nested ternaries | |
| Widget _mainDisplay1( | |
| AsyncSnapshot<ValueNotifier<int>> snapshot, BuildContext context) => | |
| snapshot.hasData | |
| ? Column( | |
| mainAxisAlignment: MainAxisAlignment.center, | |
| children: <Widget>[ | |
| const Text( | |
| 'You have pushed the button this many times:', | |
| ), |