main.dart

class MyApp extends StatelessWidget {
  final bool checkBoxValue = false;
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: SafeArea(
        child: Scaffold(
          body: Column(
            children: [
              LabelledCheckBox(
                value: checkBoxValue,
                label: 'Female',
                onChanged: (bool newValue) {},
              ),
              LabelledCheckBox(
                value: checkBoxValue,
                label: 'Male',
                onChanged: (boolValue) {},
              )
            ],
          ),
        ),
      ),
    );
  }
}