content: import 'package:flutter/material.dart';
  import 'package:url_launcher/url_launcher.dart';
  
  class Day26Positioned extends StatelessWidget {
    const Day26Positioned({Key key}) : super(key: key);
  
    @override
    Widget build(BuildContext context) {
      double width = 250;
      double height = 250;
      return Scaffold(
        body: Center(
          child: Container(
            width: width,
            height: height,
            color: Colors.black,
            child: Stack(
              children: <Widget>[
                Positioned(
                  // ? What is Positioned....
                  top: height / 2,
                  // ! [top] is the padding from the top....
                  left: width / 2,
                  // ! [left] is the padding from the left....
                  right: 0,
                  // ! [right] is the padding from the right....
                  bottom: 0,
                  // ! [bottom] is the padding from the bottom....
                  child: Container(
                    color: Colors.amber,
                    child: Text("This is mid of top and left"),
                  ),
                ),
                Positioned(
                  top: 0,
                  left: 0,
                  right: width / 2,
                  bottom: height / 2,
                  child: Container(
                    color: Colors.blue,
                    child: Text("This is start of top and left"),
                  ),
                ),
              ],
            ),
          ),
        ),
        appBar: AppBar(
          title: Text("Positioned"),
          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/day026_positioned.dart';
                if (await canLaunch(url)) {
                  await launch(url);
                } else {
                  throw 'Could not launch $url';
                }
              },
            )
          ],
        ),
      );
    }
  }
  