ScrollContextState<T extends StatefulWidget> class abstract

Inheritance
Implemented types
Mixed-in types
Implementers

Constructors

ScrollContextState()

Properties

axisDirection AxisDirection
The direction in which the widget scrolls.
no setterinherited
context BuildContext
The location in the tree where this widget builds.
no setterinherited
devicePixelRatio double
The FlutterView.devicePixelRatio of the view that the Scrollable this ScrollContext is associated with is drawn into.
no setteroverride
hashCode int
The hash code for this object.
no setterinherited
mounted bool
Whether this State object is currently in a tree.
no setterinherited
notificationContext BuildContext?
The BuildContext that should be used when dispatching ScrollNotifications.
no setteroverride
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
storageContext BuildContext
The BuildContext that should be used when searching for a PageStorage.
no setteroverride
vsync TickerProvider
A TickerProvider to use when animating the scroll position.
no setteroverride
widget → T
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
inherited
createTicker(TickerCallback onTick) Ticker
Creates a ticker with the given callback.
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant T oldWidget) → void
Called whenever the widget configuration changes.
inherited
dispose() → void
Called when this object is removed from the tree permanently.
inherited
initState() → void
Called when this object is inserted into the tree.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
saveOffset(double offset) → void
Called by the ScrollPosition whenever scrolling ends to persist the provided scroll offset for state restoration purposes.
override
setCanDrag(bool value) → void
Whether the user can drag the widget, for example to initiate a scroll.
override
setIgnorePointer(bool value) → void
Whether the contents of the widget should ignore PointerEvent inputs.
override
setSemanticsActions(Set<SemanticsAction> actions) → void
Set the SemanticsActions that should be expose to the semantics tree.
override
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
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
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

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