MaterialScrollBar class

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatelessWidget
• Scrollbar
• MaterialScrollBar

Constructors

MaterialScrollBar({required Widget child, double? thickness, bool? thumbVisibility, Radius? radius, required Color trackColor, required Color thumbColor, double? thumbSize, Key? key})

const

Properties

child → Widget

The widget below this widget in the tree.

final, inherited

controller → ScrollController?

The ScrollController used to implement Scrollbar dragging.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

interactive → bool?

Whether the Scrollbar should be interactive and respond to dragging on the thumb, or tapping in the track area.

final, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

notificationPredicate → ScrollNotificationPredicate?

A check that specifies whether a ScrollNotification should be handled by this widget.

final, inherited

radius → Radius?

The Radius of the scrollbar thumb's rounded rectangle corners.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

scrollbarOrientation → ScrollbarOrientation?

Dictates the orientation of the scrollbar.

final, inherited

thickness → double?

The thickness of the scrollbar in the cross axis of the scrollable.

final, inherited

thumbColor → Color

thumbColor is the moving part of the scrollbar, which usually floats on top of the track.

final

thumbSize → double?

userThumbSize is the size of the thumb in scrollbar, which is the moving part of the scrollbar

final

thumbVisibility → bool?

Indicates that the scrollbar thumb should be visible, even when a scroll is not underway.

final, inherited

trackColor → Color

trackColor is the empty space “below” the progress bar.

final

trackVisibility → bool?

Indicates that the scrollbar track should be visible.

final, inherited

Methods

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

override

createElement() → StatelessElement

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