Putting it all together - https://flutter.dev/docs/codelabs/layout-basics#putting-it-all-together

30_days_of_flutter_codelab_basic_layout_concepts_4.dart

import 'package:flutter/material.dart';

void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Putting it all together',
      home: Scaffold(
        body: MyWidget(),
      ),
    ),
  );
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.amber,
        border: Border.all(
          color: Colors.black,
          width: 8.0,
        ),
      ),
      margin: EdgeInsets.all(8.0),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.start,
            children: [
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: Icon(Icons.account_circle, size: 50),
              ),
              Column(
                crossAxisAlignment: CrossAxisAlignment.center,
                mainAxisSize: MainAxisSize.min,
                children: [
                  Text(
                    'Flutter McFlutter',
                    style: Theme.of(context).textTheme.headline5,
                  ),
                  Text(
                    'Experienced App Developer',
                  )
                ],
              ),
            ],
          ),
          SizedBox(height: 8),
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            children: [
              Text(
                '123 Main Street',
              ),
              Text(
                '(415) 555-0198',
              ),
            ],
          ),
          SizedBox(height: 16),
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceAround,
            children: [
              Icon(Icons.accessibility),
              Icon(Icons.timer),
              Icon(Icons.phone_android),
              Icon(Icons.phone_iphone),
            ],
          ),
          SizedBox(height: 8),
        ],
      ),
    );
  }
}