Delegate for configuring a SliverPersistentHeader.
Abstract const constructor. This constructor enables subclasses to provide
const constructors so that they can be used in const expressions.
- maxExtent → double
The size of the header when it is not shrinking at the top of the
- minExtent → double
The smallest size to allow the header to reach, when it shrinks at the
start of the viewport. [...]
- snapConfiguration → FloatingHeaderSnapConfiguration
Specifies how floating headers should animate in and out of view. [...]
- hashCode → int
The hash code for this object. [...]
- runtimeType → Type
A representation of the runtime type of the object.
BuildContext context, double shrinkOffset, bool overlapsContent) → Widget
- The widget to place inside the SliverPersistentHeader. [...]
covariant SliverPersistentHeaderDelegate oldDelegate) → bool
- Whether this delegate is meaningfully different from the old delegate. [...]
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.