SliverSnap class

Inheritance

Constructors

SliverSnap({Key? key, required Widget expandedContent, required Widget collapsedContent, required Widget body, bool pinned = true, double collapsedBarHeight = 60.0, Duration? animationDuration = const Duration(milliseconds: 300), Curve? animationCurve = Curves.easeInOut, bool snap = false, bool floating = false, bool stretch = false, double? expandedContentHeight, PreferredSizeWidget? bottom, Widget? leading, List<Widget>? actions, Widget? backdropWidget, Color? expandedBackgroundColor, Color? collapsedBackgroundColor, ScrollController? scrollController, ScrollBehavior? scrollBehavior, CollapsingStateCallback? onCollapseStateChanged, bool automaticallyImplyLeading = false, bool forceElevated = false, double elevation = 0.0})
const

Properties

actions → List<Widget>?
A list of action widgets to display in a row, after the collapsedContent widget.
final
animationCurve → Curve?
The curve of the animation as the ExpandedContent is collapsing or expanding
final
animationDuration → Duration?
The duration of the animation when the ExpandedContent is collapsing or expanding
final
automaticallyImplyLeading → bool
Provides Control of the AppBar's leading widget.
final
backdropWidget → Widget?
The widget that is shown behind the ExpandedContent
final
body → Widget
The content that is shown below the appbar
final
bottom → PreferredSizeWidget?
The content that is shown below the appbar. In most cases it's just the page content.
final
collapsedBackgroundColor → Color?
The background color of the collapsed appbar.
final
collapsedBarHeight → double
The height of the collapsedContent
final
collapsedContent → Widget
The collapsed appbar or content that is shown when state is collapsed
final
elevation → double
The elevation of the app bar.
final
expandedBackgroundColor → Color?
The background color of the expanded appbar.
final
expandedContent → Widget
The content that is shown when the appBar is expanded
final
expandedContentHeight → double?
The height of the ExpandedContent
final
floating → bool
Whether the app bar should become visible as soon as the user scrolls towards the app bar.
final
forceElevated → bool
Whether to show the shadow appropriate for the elevation even if the content is not scrolled under the AppBar.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading → Widget?
The leading widget at the start of the appbar, typically an Icon or an IconButton.
final
onCollapseStateChanged → CollapsingStateCallback?
Callback that is called when the ExpandedContent is collapsed or expanded
final
pinned → bool
Whether the appbar will be fixed at the top of the scroll view
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollBehavior → ScrollBehavior?
How the scrolling behaves, either Material or Cupertino.
final
scrollController → ScrollController?
final
snap → bool
Controls the behavior of a floating app bar when the user scrolls.
final
stretch → bool
Whether the app bar should stretch to fill the over-scroll area.
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → _StatelessHookElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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