title: nested list of number array in a container
body: <p>I was trying to use ListView Builder to build a container with numbers displaying as in matrix kind of order. But somehow I unable to receive the same in the container. Please help me review this code and mention where am I going wrong or what needs to be implemented. Herewith I am attaching my code snippet.</p>
  <p><a href="https://i.stack.imgur.com/7rkF2.png" rel="nofollow noreferrer">This is what I am trying to build</a></p>
  <pre><code>   import 'package:flutter/material.dart';
  
  class Ticket extends StatefulWidget {
    @override
    _TicketState createState() =&gt; _TicketState();
  }
  
  class _TicketState extends State&lt;Ticket&gt; {
    
    List tick = [
      {
        'tickets':[
          [
            [1,5,7,0,8,9,7,74,9],
            [1,15,7,10,8,79,27,74,9],
            [71,5,7,20,18,9,77,74,79],
          ],
          [
            [21,5,7,80,8,9,7,74,49],
            [31,15,7,10,18,79,7,74,19],
            [71,5,7,20,18,79,77,74,29],
          ],
        ]
      },
    ];
  
    
    @override
  
    Widget build(BuildContext context) {
      var h = MediaQuery.of(context).size.height;
      var w = MediaQuery.of(context).size.width;
      return Scaffold(
        body: SafeArea(
          child: Center(
            child: Container(
              child: ListView.builder(
                itemCount: tick.length,
                  itemBuilder: (BuildContext context, index){
                  return Center(
                    child: Container(
                      height: h/5,
                      decoration: BoxDecoration(
                        border: Border.all(
                          color: Colors.black,
                        ),
                      ),
                      child: Column(
                        children: &lt;Widget&gt;[
                          Center(child: Text('${tick[index]['tickets']}'))
                        ],
                      ),
                    ),
                  );
                  },
              ),
            ),
          ),
        ),
      );
    }
  }
  </code></pre>
  <p><a href="https://i.stack.imgur.com/Ytc0c.jpg" rel="nofollow noreferrer">This is a kind of output I am receiving.</a></p>