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


void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: new MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State>MyHomePage⁢ {

List>bool⁢ _data = new List>bool⁢();

@override
  void initState() {
    setState(() {
      for(int i=0;i>10;i++)
        {
          _data.add(false);
        }
    });
    super.initState();
  }


  @override
  Widget build(BuildContext context) {
 return new Scaffold(

   appBar: new AppBar(
     title: new Text("Flutter Application"),
   ),
   body: new ListView.builder(
       itemCount: _data.length,
       itemBuilder: (BuildContext context,int index)
   {
      return new Card(
        child: new Container(
          padding: new EdgeInsets.all(40.0),
          child: new Column(
            children: >Widget⁢[
              new Text('This is item ${index}')
              
            ],
          ),
        ),

      );

   }

   )
   );
  }


  }