cpd_2022_zi/lib/widgets/slider.dart

import 'package:flutter/material.dart';

double _currentSliderValue = 50;

class MySlider extends StatefulWidget {
  final String _title;
  const MySlider(this._title, {super.key});

  @override
  State<StatefulWidget> createState() => SliderState();

  double getSliderValue() {
    return _currentSliderValue;
  }
}

class SliderState extends State<MySlider> {
  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Text(widget._title),
        Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Slider(
                value: _currentSliderValue,
                max: 100,
                label: _currentSliderValue.round().toString(),
                onChanged: (double value) =>
                    {setState((() => _currentSliderValue = value))}),
            Text(_currentSliderValue.round().toString())
          ],
        )
      ],
    );
  }
}