content: import 'package:flutter/material.dart';
  import 'package:url_launcher/url_launcher.dart';
  
  class Day75Divider extends StatelessWidget {
    const Day75Divider({Key key}) : super(key: key);
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Container(
          child: Column(
            children: <Widget>[
              Expanded(
                flex: 1,
                child: Card(
                  color: Colors.red,
                  child: Container(
                    width: 250,
                    height: 250,
                  ),
                ),
              ),
              // ? What is Divider....
              /**
               * ! Name it self says that it is the simple line which can be added between the widgets....
               */
              Divider(), // normal divider....
              Divider(
                color: Colors.deepPurple, // added color....
              ),
              Divider(
                height: 50, // added even height on lines....
              ),
              Divider(
                thickness: 5, //  added the thickness of the line....
              ),
              Divider(
                indent: 25, // added the front indent....
              ),
              Divider(
                endIndent: 25, //  added end indent....
              ),
  
              // All together in Divider....
              Divider(
                color: Colors.red,
                thickness: 5,
                indent: 25,
                endIndent: 25,
                height: 100,
              ),
              Divider(
                color: Colors.green,
                thickness: 5,
                indent: 25,
                endIndent: 25,
                height: 100,
              ),
              Divider(
                color: Colors.blue,
                thickness: 5,
                indent: 25,
                endIndent: 25,
                height: 100,
              ),
              Expanded(
                flex: 1,
                child: Card(
                  color: Colors.red,
                  child: Container(
                    width: 250,
                    height: 250,
                  ),
                ),
              ),
            ],
          ),
        ),
        appBar: AppBar(
          title: Text('Divider'),
          actions: <Widget>[
            IconButton(
              icon: Icon(Icons.help),
              onPressed: () async {
                const url =
                    'https://github.com/sanjaysanju618/100-Days-Of-Flutter-Widgets/' +
                        'blob/master/hundred_days_of_flutter_widget/' +
                        'lib/day074_progress_indicator.dart';
                if (await canLaunch(url)) {
                  await launch(url);
                } else {
                  throw 'Could not launch $url';
                }
              },
            )
          ],
        ),
      );
    }
  }
  