NavigationIndicator class

A indicator used by NavigationPane to render the selected indicator.

Inheritance
Implementers

Constructors

Creates a navigation indicator used by NavigationPane to render the selected indicator.
const

Properties

axis Axis
The axis corresponding to the current navigation pane. If it's a top pane, Axis.vertical will be provided, otherwise Axis.horizontal.
final
child Widget
The NavigationPane. It can be open, compact, closed or top.
final
color Color?
The highlight color
final
curve Curve
The curve used on the animation, if any
final
hashCode int
The hash code for this object.
no setterinherited
index int
The current selected index;
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
offsets List<Offset> Function()
A function that tells the indicator the item offsets.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sizes List<Size> Function()
A function that tells the indicator the item sizes. The sizes must not be Size.infinite
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() NavigationIndicatorState<NavigationIndicator>
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.
override
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