darkGrayBox method
Wraps the widget in a ColoredBox with dark background gray color.
Uses CupertinoColors.darkBackgroundGray which provides a dark gray background suitable for dark mode interfaces or secondary backgrounds.
Returns a ColoredBox containing the current widget with dark gray background.
Example:
Container(child: Text('Dark Section')).darkGrayBox()
Implementation
ColoredBox darkGrayBox() => coloredBox(CupertinoColors.darkBackgroundGray);