KnobStyle class

A style in which draw needle pointer knob.

Widget build(BuildContext context) {
   return Container(
       child: SfRadialGauge(
         axes:<RadialAxis>[RadialAxis
         ( pointers: <GaugePointer>[
            NeedlePointer( value: 30,
             knobStyle: KnobStyle(knobRadius: 0.1),
          )])]
       ));
}

Annotations

• @immutable

Constructors

KnobStyle({double knobRadius = 0.08, double borderWidth = 0, GaugeSizeUnit sizeUnit = GaugeSizeUnit.factor, Color? borderColor, Color? color})

Creates the knob style with default or required properties.

const

Properties

borderColor → Color?

Specifies the knob border color.

final

borderWidth → double

Specifies the knob border width in logical pixel.

final

color → Color?

Specifies the knob color.

final

hashCode → int

The hash code for this object.

no setter, override

knobRadius → double

Adjusts the knob radius in needle pointer.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

sizeUnit → GaugeSizeUnit

Calculates the knob radius size either in logical pixel or radius factor.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

override