DialKnob class

A customizable knob widget for Flutter.

Example usage:

DialKnob(
  value: 0.5,
  onChanged: (newValue) {
    print('New value: $newValue');
  },
  min: 0,
  max: 1,
  size: 72,
  trackColor: Colors.grey,
  levelColor: Colors.blue,
  knobColor: Colors.white,
  indicatorColor: Colors.red,
)
Inheritance

Constructors

DialKnob({Key? key, required double value, required ValueChanged<double> onChanged, double min = 0, double max = 1, double size = 72, Widget? child, Color? trackColor, Color? levelColorStart, Color? levelColorEnd, Color? levelColor, Color? knobColor, Color? indicatorColor})
const

Properties

child → Widget?
final
hashCode → int
The hash code for this object.
no setterinherited
indicatorColor → Color?
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
knobColor → Color?
final
levelColor → Color?
final
levelColorEnd → Color?
final
levelColorStart → Color?
final
max → double
final
min → double
final
onChanged → ValueChanged<double>
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
size → double
final
trackColor → Color?
final
value → double
final

Methods

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