Replicar item Lista

lista.dart

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:flutter/material.dart';

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

final defaultColor = Colors.blueAccent;

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

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
//   int _counter = 0;

//   void _incrementCounter() {
//     setState(() {
//       _counter++;
//     });
//   }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Container(
        color: Colors.black,
        child: ListView(
          children: <Widget>[_card(),_card(),_card(),_card()],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {},
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }
}

Widget _card() {
  return Container(
    padding: EdgeInsets.all(10.0),
    child: Center(
      child: Column(
        //Para ocupar toda a tela no horizontal
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: <Widget>[
          Card(
            color: Colors.grey[100],
            child: Container(
              padding: EdgeInsets.all(10),
              child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: <Widget>[
                    Text(
                      "Evento de Tecnologia e ciência",
                      maxLines: 1,
                      overflow: TextOverflow.ellipsis,
                      style: TextStyle(fontSize: 20, color: defaultColor),
                    ),
                    SizedBox(
                      height: 10,
                    ),
                    Text(
                      "Dispível de 10/02/2020 até 25/06/2020",
                      style: TextStyle(fontSize: 14),
                    ),
                    SizedBox(
                      height: 5,
                    ),
                    Text(
                      "Total disponível: 50 de 100 (50%)",
                      style: TextStyle(fontSize: 14),
                    ),
                  ]),
            ),
          ),
        ],
      ),
    ),
  );
}