SliverStickyHeader class

A sliver with sticky header which stays at the top of the viewport until the sliver scrolls of completely. The header must be a box and the body a sliver.

Inheritance

Constructors

SliverStickyHeader({Key? key, bool reverse = false, bool overlayHeader = false, required Widget header, required Widget body})

Properties

body → Widget
The widget which is scrolling normally. Must be a sliver.
final
children → List<Widget>
The widgets below this widget in the tree.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
The widget which is sticking to viewport edges. Must be a box.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
overlayHeader → bool
When true the header is overlaid over the body, even when the sliver has not been scrolled. This is in contrast to the default behaviour, where the header takes up space along the scroll axis.
final
reverse → bool
Setting reverse to true places header at the opposite end of the sliver than normal. This is most useful when a SliverStickyHeader is above ScrollView.center and you want to place the header at the top. Above the center slivers grow in the opposite direction and this option counteracts this behaviour. When reverse is false (default) and ScrollView.reverse is false, headers in slivers above ScrollView.center appear at the bottom.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

createElement() → MultiChildRenderObjectElement
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
createRenderObject(BuildContext context) → RenderSliverStickyHeader
Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget.
override
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didUnmountRenderObject(covariant RenderObject renderObject) → void
A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited
updateRenderObject(BuildContext context, covariant RenderSliverStickyHeader renderObject) → void
Copies the configuration described by this RenderObjectWidget to the given RenderObject, which will be of the same type as returned by this object's createRenderObject.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited