SubScrollController class

Creates and disposes a ScrollController.

See also:

Inheritance

Constructors

SubScrollController({double initialScrollOffset = 0.0, bool keepScrollOffset = true, String? debugLabel, required SubValueBuild<ScrollController> builder, SubValueKeys? keys})
Creates and disposes a ScrollController.

Properties

builder SubValueBuild<ScrollController>
Creates the child of this Widget with the value.
finalinherited
create SubValueBuilderCreate<ScrollController>
Creates the value. Called at least once and everytime keys changes.
finalinherited
dispose SubValueBuilderDispose<ScrollController>?
Disposes the value. Called before recreation and when disposing. Useful for Listeners, etc.
finalinherited
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
keys SubValueBuilderKeys?
Used to decide when to recreate the value. If null, the value is never recreated.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
update SubValueBuilderUpdate<ScrollController>?
Updates the value. Called every build. If null, does nothing. In the call order, this comes after recreating the value.
finalinherited

Methods

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