Checkbox Class

 import "package:flutter/material.dart";

void main()
{
  runApp(const MyApp());
}
class MyApp extends StatelessWidget
{
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "CheckBox Class Practice",
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.grey,
      ),
      home: const CheckBoxPractice(),
    );
  }
}
class CheckBoxPractice extends StatefulWidget
{
  const CheckBoxPractice({super.key});
  @override
  State<CheckBoxPractice> createState()
  {
    return CheckBoxPracticeState();
  }
}
class CheckBoxPracticeState extends State<CheckBoxPractice>
{
  bool _checkbox = false;
  bool _checkbox2 = false;
  bool _checkboxListTile = false;
  bool _checkboxListTile2 = false;
  bool _checkboxListTile3 = false;
  bool _checkboxListTile4 = false;
  bool _checkboxListTile5 = false;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("CheckBox Practice"),
        centerTitle: true,
        backgroundColor: Colors.grey,
      ),
      body: Center(
        child: Column(
          children: [
            Row(
              children: [
                Checkbox(
                  value: _checkbox,
                  onChanged: (value) {
                    setState(() {
                      _checkbox = !_checkbox;
                    },);
                  },
                ),
                const Text("I am true now"),
                const SizedBox(width: 20.0),
                Checkbox(
                  value: _checkbox2,
                  onChanged: (value) {
                    setState(() {
                      _checkbox2 = !_checkbox2;
                    },);
                  },
                ),
                const Text("I am false now"),
              ],
            ),
            CheckboxListTile(
              controlAffinity: ListTileControlAffinity.leading,
              value: _checkboxListTile,
              title: const Text("I am First checkbox"),
              subtitle: const Text("I am First checkbox"),
              onChanged: (value) {
                setState(() {
                  _checkboxListTile = !_checkboxListTile;
                },);
              },
            ),
            CheckboxListTile(
              controlAffinity: ListTileControlAffinity.leading,
              value: _checkboxListTile2,
              title: const Text("I am Second checkbox"),
              subtitle: const Text("I am Second checkbox"),
              onChanged: (value) {
                setState(() {
                  _checkboxListTile2 = !_checkboxListTile2;
                },);
              },
            ),
            CheckboxListTile(
              controlAffinity: ListTileControlAffinity.leading,
              value: _checkboxListTile3,
              title: const Text("I am Third checkbox"),
              subtitle: const Text("I am Third checkbox"),
              onChanged: (value) {
                setState(() {
                  _checkboxListTile3 = !_checkboxListTile3;
                },);
              },
            ),
            CheckboxListTile(
              controlAffinity: ListTileControlAffinity.leading,
              value: _checkboxListTile4,
              title: const Text("I am Fourth checkbox"),
              subtitle: const Text("I am Fourth checkbox"),
              onChanged: (value) {
                setState(() {
                  _checkboxListTile4 = !_checkboxListTile4;
                },);
              },
            ),
            CheckboxListTile(
              controlAffinity: ListTileControlAffinity.leading,
              value: _checkboxListTile5,
              title: const Text("I am Fifth checkbox"),
              subtitle: const Text("I am Fifth checkbox"),
              onChanged: (value) {
                setState(() {
                  _checkboxListTile5 = !_checkboxListTile5;
                },);
              },
            ),
          ],
        ),
      ),
    );
  }
}