SliverStickyCollapsablePanel class

A sliver that displays a header before its sliver and can allow click to collapse. The header scrolls off the viewport only when the sliver does.

Place this widget inside a CustomScrollView or similar.

Inheritance

Constructors

SliverStickyCollapsablePanel({Key? key, required ScrollController scrollController, required StickyCollapsablePanelController controller, required HeaderBuilder headerBuilder, Widget? sliverPanel, bool sticky = true, bool overlapsContent = false, bool defaultExpanded = true, ExpandCallback? expandCallback, bool disableCollapsable = false, bool iOSStyleSticky = false, EdgeInsetsGeometry paddingBeforeCollapse = const EdgeInsets.only(), EdgeInsetsGeometry paddingAfterCollapse = const EdgeInsets.only()})
const
SliverStickyCollapsablePanel.builder({Key? key, required ScrollController scrollController, required StickyCollapsablePanelController controller, required HeaderBuilder headerBuilder, Widget? sliver, bool sticky = true, bool overlapsContent = false, bool defaultExpanded = true, ExpandCallback? expandCallback, bool disableCollapsable = false, bool iOSStyleSticky = false, EdgeInsetsGeometry paddingBeforeCollapse = const EdgeInsets.only(), EdgeInsetsGeometry paddingAfterCollapse = const EdgeInsets.only()})
const

Properties

defaultExpanded → bool
final
disableCollapsable → bool
final
expandCallback → ExpandCallback?
final
hashCode → int
The hash code for this object.
no setterinherited
headerBuilder → HeaderBuilder
The header to display before the sliver panel content.
final
iOSStyleSticky → bool
Like the iOS contact, header replace another header when it reaches the edge
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
overlapsContent → bool
Whether the header should be drawn on top of the sliver instead of before.
final
paddingAfterCollapse → EdgeInsetsGeometry
Padding used for sliver child after collapse, it means even it's collapsed, Padding still exist between headers
final
paddingBeforeCollapse → EdgeInsetsGeometry
Padding used for sliver child before collapse
final
panelController → StickyCollapsablePanelController
The controller used to interact with this sliver.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollController → ScrollController
final
sliverPanel → Widget?
The sliver to display after the header as panel content.
final
sticky → bool
Whether to stick the header. Defaults to true.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<StatefulWidget>
Creates the mutable state for this widget at a given location in the tree.
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
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

Operators

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