■ Theme 클래스를 사용해 다크 테마를 설정하는 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 StatefulWidget { @override _MainPageState createState() => _MainPageState(); } class _MainPageState extends State<MainPage> { DateTime _selectedDate; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Test Application'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ RaisedButton( child: Text('Run'), color: Colors.blue, textColor: Colors.white, onPressed: () { Future<DateTime> future = showDatePicker( context: context, initialDate: DateTime.now(), firstDate: DateTime(2018), lastDate: DateTime(2030), builder: (BuildContext context, Widget child) { return Theme( data: ThemeData.dark(), child: child, ); }, ); future.then((date) { setState(() { _selectedDate = date; }); }); }, ), Text( '결과 : $_selectedDate', ), ], ), ), ); } } |