NestedBackButton class

A back button that displays multiple chevrons to indicate navigation depth.

Shows < for level 1, << for level 2, <<< for level 3, etc. Animates smoothly when the nesting level changes.

Inheritance

Constructors

NestedBackButton({Key? key, double size = 24, int nestingLevel = 1, GestureTapCallback? onTap, Color? color, double strokeWidth = 2, Duration animationDuration = const Duration(milliseconds: 200)})
Creates a NestedBackButton.
const

Properties

animationDuration → Duration
Duration of the animation when nesting level changes.
final
color → Color?
The color of the chevrons. Defaults to accent color.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
nestingLevel → int
The current nesting level (1 = <, 2 = <<, etc.)
final
onTap → GestureTapCallback?
Callback when the button is tapped.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
size → double
The size of the button (height, width grows with nesting level).
final
strokeWidth → double
The stroke width of the chevron lines.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<NestedBackButton>
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.
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, int wrapWidth = 65}) → 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