return AnnotatedRegion<SystemUiOverlayStyle>(
value: const SystemUiOverlayStyle(
// For Android.
// Use [light] for white status bar and [dark] for black status bar.
statusBarIconBrightness: Brightness.light,
// For iOS.
// Use [dark] for white status bar and [light] for black status bar.
statusBarBrightness: Brightness.dark,
),
child: Scaffold(...),
);