flash.dart

import 'package:flutter/material.dart';
import 'package:torch/torch.dart';

class SwithS extends StatefulWidget{
  @override
  State<StatefulWidget> createState() {
    return SwitchWidgetClass();
  }

}


class SwitchWidgetClass extends State {
  bool switchControl = false;
  var textHolder = 'Switch is OFF';

  void toggleSwitch(bool value) {
    if (switchControl == false) {
      setState(() {
        switchControl = true;
        textHolder = 'Switch is ON';
      });
      print('Switch is ON');
      Torch.turnOn();

    } else {
      setState(() {
        switchControl = false;
        textHolder = 'Switch is OFF';
      });
      print('Switch is OFF');
      Torch.turnOff();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
        Transform.scale(
            scale: 1.5,
            child: Switch(
              onChanged: toggleSwitch,
              value: switchControl,
              activeColor: Colors.blue,
              activeTrackColor: Colors.green,
              inactiveThumbColor: Colors.white,
              inactiveTrackColor: Colors.grey,
            )),
        Text(
          '$textHolder',
          style: TextStyle(fontSize: 24),
        )
      ]),
    );
  }
}