DropdownSliverChildBuilderDelegate class

TODO : 特殊滚动页面自定义头部 TODO : 例子 : 滚动后停止 @param @return created at 2021/1/11 11:58

Inheritance

Constructors

DropdownSliverChildBuilderDelegate({required WidgetBuilder builder, double? maxDefinitionExtent, double? minDefinitionExtent}): const

builder → WidgetBuilder: final
hashCode → int: The hash code for this object.
no setterinherited
maxDefinitionExtent → double?: final
maxExtent → double: The size of the header when it is not shrinking at the top of the viewport.
no setteroverride
minDefinitionExtent → double?: final
minExtent → double: The smallest size to allow the header to reach, when it shrinks at the start of the viewport.
no setteroverride
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
showOnScreenConfiguration → PersistentHeaderShowOnScreenConfiguration?: Specifies how floating headers and pinned headers should behave in response to RenderObject.showOnScreen calls.
no setterinherited
snapConfiguration → FloatingHeaderSnapConfiguration?: Specifies how floating headers should animate in and out of view.
no setterinherited
stretchConfiguration → OverScrollHeaderStretchConfiguration?: Specifies an AsyncCallback and offset for execution.
no setterinherited
vsync → TickerProvider?: A TickerProvider to use when animating the header's size changes.
no setterinherited

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