Flutter App : Multiple Circle Chart With Flutter

circleSetProgress = MultipleCircleSetProgress(circle: c);


late CircleDataItem c = CircleDataItem(
    /// circleForwardFlg is forward or reverse.
    true,

    /// CircleShader is an end type circle None has no knob.
    CircleShader.circleNone,

    /// ComplementCircle is the tuning when the circle is changed to large or small.
    0.05,

    /// circleSizeValue.
    _circleSize,

    /// CircleLabelValue is reverse.
    0.0,

    /// circleLabelSpeedValue is speed.
    0.0,

    /// circleCounterValue is forward.
    0.0,

    /// circleSpeedCounterValue is speed.
    0.0,

    /// circleStrokeWidth is the thickness of the circle.
    30.0,

    /// circleShadowValue is The shadow range value
    0.01,

    /// circlePointerValue is The size of the knob.
    15,

    /// circleDuration is circle animation speed
    _speedValue.toInt(),

    /// circleColor is the color of the knob.
    Colors.green,

    /// circleColor is the shadow color of the knob.
    Colors.black,

    /// circleRoundColor is The base color of circleRoundColor.
    Colors.grey,

    /// circleController is CircleProgressController.
    controller,

    /// circleColorList is Determines the gradient color.
    setColor,
  );

final CircleProgressController controller = CircleProgressController();


FloatingActionButton setButton(
      circleForwardFlg, circleCounterValue, circleLabelValue) {
    return FloatingActionButton(
      onPressed: () {
        _scrollController.jumpTo(0.0);
        c.circleForwardFlg = circleForwardFlg;
        c.circleCounterValue = circleCounterValue;
        c.circleLabelSpeedValue = circleLabelValue;
        c.circleLabelValue = circleLabelValue;
        controller.setProgress([c.circleCounterValue, c.circleLabelValue]);
      },
      child: const Icon(Icons.play_circle),
    );
  }