CupertinoActionPresentationCallback<T extends Object> typedef
CupertinoActionPresentationCallback<T extends Object> =
CupertinoActionPresentation? Function(BuildContext context, AdaptiveAction<T> action)
Selects a Cupertino primary-button presentation for one root action.
Return null to fall back to
CupertinoAdaptiveActions.presentationOverride or, when that is also
null, to automatic layout selection.
Implementation
typedef CupertinoActionPresentationCallback<T extends Object> =
CupertinoActionPresentation? Function(
BuildContext context,
AdaptiveAction<T> action,
);