ToggleSwitch class

The toggle switch represents a physical switch that allows users to turn things on or off, like a light switch. Use toggle switch controls to present users with two mutually exclusive options (such as on/off), where choosing an option provides immediate results.

Use a toggle switch for binary operations that take effect right after the user flips the toggle switch

ToggleSwitch Preview

Think of the toggle switch as a physical power switch for a device: you flip it on or off when you want to enable or disable the action performed by the device.

See also:

Inheritance
Available Extensions

Constructors

ToggleSwitch({Key? key, required bool checked, required ValueChanged<bool>? onChanged, ToggleSwitchThemeData? style, Widget? content, bool leadingContent = false, String? semanticLabel, Widget? knob, ToggleSwitchKnobBuilder? knobBuilder, FocusNode? focusNode, bool autofocus = false})
Creates a toggle switch.
const

Properties

autofocus bool
True if this widget will be selected as the initial focus when no other node in its scope is currently focused.
final
checked bool
Whether this toggle switch is checked
final
content Widget?
The content of the radio button.
final
focusNode FocusNode?
An optional focus node to use as the focus node for this 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
knob Widget?
The knob of the switch
final
knobBuilder ToggleSwitchKnobBuilder?
Build the knob of the switch based on the current state
final
leadingContent bool
Whether to position content before the switch, if provided
final
onChanged ValueChanged<bool>?
Called when the value of the switch should change.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
semanticLabel String?
Semantic label for the input.
final
style ToggleSwitchThemeData?
The style of the toggle switch
final

Methods

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