Slide 36
Slide 36 text
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('$_pageTitle'),
), // AppBar
body: Center(child: Text('$_count 回')),
floatingActionButton: FloatingActionButton(
onPressed: () => setState(() => _count++),
tooltip: 'カウンタ',
child: const Icon(Icons.add),
), // FloatingActionButton
); // Scaffold
}
より、一部改変