FilledButton.tonal constructor
- Key? key,
 - required VoidCallback? onPressed,
 - VoidCallback? onLongPress,
 - ValueChanged<
bool> ? onHover, - ValueChanged<
bool> ? onFocusChange, - ButtonStyle? style,
 - FocusNode? focusNode,
 - bool autofocus = false,
 - Clip? clipBehavior = Clip.none,
 - MaterialStatesController? statesController,
 - required Widget? child,
 
Create a tonal variant of FilledButton.
A filled tonal button is an alternative middle ground between FilledButton and OutlinedButton. They’re useful in contexts where a lower-priority button requires slightly more emphasis than an outline would give, such as "Next" in an onboarding flow.
Implementation
const FilledButton.tonal({
  super.key,
  required super.onPressed,
  super.onLongPress,
  super.onHover,
  super.onFocusChange,
  super.style,
  super.focusNode,
  super.autofocus = false,
  super.clipBehavior = Clip.none,
  super.statesController,
  required super.child,
}) : _variant = _FilledButtonVariant.tonal;