SliverPersistentHeaderDelegate class Null safety

Delegate for configuring a SliverPersistentHeader.

Constructors

SliverPersistentHeaderDelegate(): Abstract const constructor. This constructor enables subclasses to provide const constructors so that they can be used in const expressions.
const

hashCode → int: The hash code for this object. [...]
read-only, inherited
maxExtent → double: The size of the header when it is not shrinking at the top of the viewport. [...]
read-only
minExtent → double: The smallest size to allow the header to reach, when it shrinks at the start of the viewport. [...]
read-only
runtimeType → Type: A representation of the runtime type of the object.
read-only, inherited
showOnScreenConfiguration → PersistentHeaderShowOnScreenConfiguration?: Specifies how floating headers and pinned headers should behave in response to RenderObject.showOnScreen calls. [...]
read-only
snapConfiguration → FloatingHeaderSnapConfiguration?: Specifies how floating headers should animate in and out of view. [...]
read-only
stretchConfiguration → OverScrollHeaderStretchConfiguration?: Specifies an AsyncCallback and offset for execution. [...]
read-only
vsync → TickerProvider?: A TickerProvider to use when animating the header's size changes. [...]
read-only

build(BuildContext context, double shrinkOffset, bool overlapsContent) → Widget: The widget to place inside the SliverPersistentHeader. [...]
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed. [...]
inherited
shouldRebuild(covariant SliverPersistentHeaderDelegate oldDelegate) → bool: Whether this delegate is meaningfully different from the old delegate. [...]
toString() → String: A string representation of this object. [...]
inherited