StickyHeaderWidgetBuilder typedef

StickyHeaderWidgetBuilder = Widget Function(BuildContext context, double stuckAmount)

Builder called during layout to allow the header's content to be animated or styled based on the amount of stickyness the header has.

context for your build operation.

stuckAmount will have the value of:

  0.0 <= value <= 1.0: about to be stuck
         0.0 == value: at top
 -1.0 >= value >= 0.0: past stuck

Implementation

typedef Widget StickyHeaderWidgetBuilder(BuildContext context, double stuckAmount);