RoundRangeSliderThumbShape constructor Null safety

const RoundRangeSliderThumbShape(
  1. {double enabledThumbRadius = 10.0,
  2. double? disabledThumbRadius,
  3. double elevation = 1.0,
  4. double pressedElevation = 6.0}
)

Create a slider thumb that draws a circle.

Implementation

const RoundRangeSliderThumbShape({
  this.enabledThumbRadius = 10.0,
  this.disabledThumbRadius,
  this.elevation = 1.0,
  this.pressedElevation = 6.0,
}) : assert(enabledThumbRadius != null);