■ Opacity 클래스의 opacity 속성을 사용해 불투명도를 표시하는 방법을 보여준다.
▶ main.dart
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import 'package:flutter/material.dart'; void main() { runApp(TestApplication()); } class TestApplication extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Test Application', theme: ThemeData( primarySwatch: Colors.blue, ), home: MainPage(), ); } } class MainPage extends StatelessWidget { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Test Application'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Opacity( opacity: 0.3, child: Container( color: Colors.red, width: 100, height: 100, padding: const EdgeInsets.all(8.0), margin: const EdgeInsets.all(8.0), ), ), Opacity( opacity: 0.6, child: Container( color: Colors.red, width: 100, height: 100, padding: const EdgeInsets.all(8.0), margin: const EdgeInsets.all(8.0), ), ), Opacity( opacity: 0.9, child: Container( color: Colors.red, width: 100, height: 100, padding: const EdgeInsets.all(8.0), margin: const EdgeInsets.all(8.0), ), ), ], ), ), ); } } |
