theme property Null safety

NumberSelectionTheme? theme
final

Theme of the NumberSelection widget:

-draggableCircleColor defaults to Theme.of(context).canvasColor

-numberColor defaults to Theme.of(context).accentColor

-iconsColor defaults to Theme.of(context).accentColor

-backgroundColor defaults to Theme.of(context).primaryColor.withOpacity(0.7)

-outOfConstraintsColor defaults to Colors.red

Implementation

final NumberSelectionTheme? theme;