“Flutter CupertinoApp” Ответ

Flutter CupertinoApp

const CupertinoApp(
  home: CupertinoPageScaffold(
    navigationBar: CupertinoNavigationBar(
      middle: Text('Home'),
    ),
    child: Center(child: Icon(CupertinoIcons.share)),
  ),
  debugShowCheckedModeBanner: false,
)