CupertinoThemeData constructor
- Brightness? brightness,
 - Color? primaryColor,
 - Color? primaryContrastingColor,
 - CupertinoTextThemeData? textTheme,
 - Color? barBackgroundColor,
 - Color? scaffoldBackgroundColor,
 - Color? selectionHandleColor,
 - bool? applyThemeToAll,
 
Creates a CupertinoTheme styling specification.
Unspecified parameters default to a reasonable iOS default style.
Implementation
const CupertinoThemeData({
  Brightness? brightness,
  Color? primaryColor,
  Color? primaryContrastingColor,
  CupertinoTextThemeData? textTheme,
  Color? barBackgroundColor,
  Color? scaffoldBackgroundColor,
  Color? selectionHandleColor,
  bool? applyThemeToAll,
}) : this.raw(
       brightness,
       primaryColor,
       primaryContrastingColor,
       textTheme,
       barBackgroundColor,
       scaffoldBackgroundColor,
       selectionHandleColor,
       applyThemeToAll,
     );