MaterialApp( title: 'Playbook Demo', theme: ThemeData.light(), home: PlaybookGallery( title: 'Sample App', playbook: Playbook(stories: [ Story('Sample Widget', scenarios: [ Scenario( 'Sample Scenario', child: Center( child: Container( width: 200, height: 250, color: Colors.amber, alignment: Alignment.center, child: const Text('Hello World'), ), ), ), ]), ]), ), ); } ड͚औͬͨ Story ͷϦετ͕ PlaybookGallery ʹදࣔ͞ΕΔ