WheelSpinner class

Shows a pitch-bend-like knob that can be dragged up or down, either unlimited or restricted by max and min.

Inheritance

Constructors

WheelSpinner({Key? key, dynamic onSlideStart(double details)?, dynamic onSlideUpdate(double value)?, dynamic onSlideDone(double value)?, double min = double.negativeInfinity, double max = double.infinity, double value = 0.5, ValueBuilder? childBuilder, WheelSpinnerThemeData? theme, WheelSpinnerChildPosition? childPosition})
const

Properties

childBuilder → ValueBuilder?
Builder for children of the slider.
final
childPosition → WheelSpinnerChildPosition?
The position of the child on the control. If childBuilder is null, this has no effect.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
max → double
Minimum value to allow sliding to.
final
min → double
Minimum value to allow sliding to.
final
onSlideDone → (dynamic Function(double value)?)
Callback for when the user lets go of the slider
final
onSlideStart → (dynamic Function(double details)?)
Callback for when the user starts dragging the slider
final
onSlideUpdate → (dynamic Function(double value)?)
Callback for when the user drags the slider
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
theme → WheelSpinnerThemeData?
The theme for this wheel spinner
final
value → double
The initial value for the slider
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _WheelSpinnerState
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}) → 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