Android Studio - Assignment [Containers Solution]

Assignment : Create an app using Containers and its functions as shown in the image below

Code :

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        backgroundColor: Colors.amber,
        appBar: AppBar(
          backgroundColor: Colors.white70,
          title: Text('Myapp'),
        ),
        body: SafeArea(
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: <Widget>[
              Container(
                width: 80.0,
                color: Colors.orange,
                height: double.infinity,
              ),
              Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: <Widget>[
                    Container(
                      width: 100.0,
                      color: Colors.blue,
                      height: 100.0,
                    ),
                    Container(
                      width: 100.0,
                      color: Colors.white70,
                      height: 100.0,
                    ),
                  ]),
              Container(
                width: 80.0,
                color: Colors.green,
                height: double.infinity,
              ),
            ],
          ),
        ),
      ),
    );
  }
}