How to add a Section Header Row to a ListView in Flutter

In this Google flutter code example we are going to learn how to add a Header Row to a ListView in Flutter.

The code is based on flutter version 1.0.0

Main.dart (App entry point)

import 'package:flutter/material.dart';
import 'listview_header_row_task-17.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: HeaderRowListView(),
    );
  }
}

listview_header_row_task-17.dart

import 'package:flutter/material.dart';

class HeaderRowListView extends StatelessWidget {
  final List<int> _listData = List<int>.generate(100, (i) => i);
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('ListView Header Row Example'),
      ),
      body: ListView(
        padding: EdgeInsets.all(8.0),
        children: _listData.map((i) {
          return i % 10 == 0
              ? Container(
                  color: Colors.grey.withOpacity(.5),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    mainAxisSize: MainAxisSize.max,
                    children: <Widget>[
                      Text("Header",
                          style: TextStyle(
                            fontSize: 20.0,
                            fontWeight: FontWeight.bold,
                          )),
                      Text("Feb 26th, 2019",
                          style: TextStyle(
                            fontSize: 14.0,
                            color: Colors.black45,
                          )),
                    ],
                  ),
                  padding: EdgeInsets.all(10.0),
                )
              : ListTile(
                  title: Text("Item $i"),
                );
        }).toList(),
      ),
    );
  }
}

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