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import 'package:flutter/material.dart'; | |
void main() { | |
runApp( | |
const Center( | |
child: Text( | |
'Hello, world!', | |
textDirection: TextDirection.ltr, | |
), | |
), |
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp( | |
const Center( | |
child: Text( | |
'Hello, world!', | |
textDirection: TextDirection.ltr, | |
style: TextStyle( | |
color: Colors.blue, |
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp( | |
Center( | |
child: Column( | |
// mainAxisAlignment: MainAxisAlignment.center, | |
children: const [ | |
/// Text 1 | |
Text( |
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import 'package:flutter/material.dart'; | |
/////////////////////////////// | |
// ① Main:Flutterアプリもmain()からコードが実行されます。 | |
// `void main() => runApp(MyApp());` でも意味は同じです。 | |
void main() { | |
return runApp(MyApp()); | |
} | |
/////////////////////////////// |
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import 'package:flutter/material.dart'; | |
/////////////////////////////// | |
// ① Main:Flutterアプリもmain()からコードが実行されます。 | |
// `void main() => runApp(MyApp());` でも意味は同じです。 | |
void main() { | |
return runApp(MyApp()); | |
} | |
/////////////////////////////// |
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import 'package:flutter/material.dart'; | |
/////////////////////////////// | |
// ① Main:Flutterアプリもmain()からコードが実行されます。 | |
// `void main() => runApp(MyApp());` でも意味は同じです。 | |
void main() { | |
return runApp(MyApp()); | |
} | |
/////////////////////////////// |
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import 'package:flutter/material.dart'; | |
/////////////////////////////// | |
// ① Main:Flutterアプリもmain()からコードが実行されます。 | |
// `void main() => runApp(MyApp());` でも意味は同じです。 | |
void main() { | |
return runApp(MyApp()); | |
} | |
/////////////////////////////// |
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import 'package:flutter/material.dart'; | |
/////////////////////////////// | |
// ① Main:Flutterアプリもmain()からコードが実行されます。 | |
// `void main() => runApp(MyApp());` でも意味は同じです。 | |
void main() { | |
return runApp(MyApp()); | |
} | |
/////////////////////////////// |
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import 'package:flutter/material.dart'; | |
// ① 必要なライブラリをインポート | |
import 'package:shared_preferences/shared_preferences.dart'; | |
/////////////////////////////// | |
void main() => runApp(MyApp()); | |
/////////////////////////////// | |
class MyApp extends StatelessWidget { |
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final _textFieldController = TextEditingController(); | |
Future<String?> _showTextInputDialog(BuildContext context) async { | |
return showDialog( | |
context: context, | |
builder: (context) { | |
return AlertDialog( | |
title: const Text('タイトル'), | |
content: TextField( | |
controller: _textFieldController, |
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