SemanticsSwitch class

A widget that annotates the widget tree with a description of the meaning of the widgets and makes sure it is recognized as a switch.

Inheritance

Constructors

SemanticsSwitch({Key? key, required Widget child, required bool value, String? label, String? tooltip, ValueChanged<bool>? onChanged, Map<String, String>? properties, bool testOnly = false})
const

Properties

child Widget
The switch widget.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label String?
An optional semantic label for the switch.
final
onChanged ValueChanged<bool>?
An optional callback that is called when the switch is toggled. If this is not provided, the switch will be considered disabled.
final
properties Map<String, String>?
Additional custom properties to pass to the underlying Semantics widget.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
testOnly bool
Whether this semantics information is only used for testing.
final
tooltip String?
An optional semantic tooltip for the switch.
final
value bool
Whether the switch is checked.
final

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