RoundSliderThumbShape class Null safety

The default shape of a Slider's thumb.

There is a shadow for the resting, pressed, hovered, and focused state.

![A slider widget, consisting of 5 divisions and showing the round slider thumb shape.] (https://flutter.github.io/assets-for-api-docs/assets/material/round_slider_thumb_shape.png)

See also:

  • Slider, which includes a thumb defined by this shape.
  • SliderTheme, which can be used to configure the thumb shape of all sliders in a widget subtree.
Inheritance

Constructors

RoundSliderThumbShape({double enabledThumbRadius, double? disabledThumbRadius, double elevation, double pressedElevation})
Create a slider thumb that draws a circle.
const

Properties

disabledThumbRadius double?
The preferred radius of the round thumb shape when the slider is disabled. [...]
final
elevation double
The resting elevation adds shadow to the unpressed thumb. [...]
final
enabledThumbRadius double
The preferred radius of the round thumb shape when the slider is enabled. [...]
final
hashCode int
The hash code for this object. [...]
read-only, inherited
pressedElevation double
The pressed elevation adds shadow to the pressed thumb. [...]
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

getPreferredSize(bool isEnabled, bool isDiscrete) Size
Returns the preferred size of the shape, based on the given conditions.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
paint(PaintingContext context, Offset center, {required Animation<double> activationAnimation, required Animation<double> enableAnimation, required bool isDiscrete, required TextPainter labelPainter, required RenderBox parentBox, required SliderThemeData sliderTheme, required TextDirection textDirection, required double value, required double textScaleFactor, required Size sizeWithOverflow}) → void
Paints the shape, taking into account the state passed to it. [...]
override
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited