CÓDIGO ATUALIZADO 2022

// ignore_for_file: prefer_const_constructors, prefer_const_literals_to_create_immutables, avoid_unnecessary_containers, use_key_in_widget_constructors

import 'package:flutter/material.dart';

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

class BytebankApp extends StatelessWidget {
  const BytebankApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        theme: ThemeData(
            primaryColor: Colors.green[900],
            colorScheme: ColorScheme.fromSwatch()
                .copyWith(secondary: Colors.blueAccent[700]),
            buttonTheme: ButtonThemeData(
              buttonColor: Colors.blueAccent[700],
              textTheme: ButtonTextTheme.primary,
            )
        ),
        home: Dashboard()
    );
  }
}

class Dashboard extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          title: Text('Dashboard'),
          backgroundColor: Colors.green[900]
      ),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Image.asset('images/bytebank_logo.png'),
          ),
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Container(
              padding: EdgeInsets.all(8.0),
              height: 100,
              width: 150,
              color: Theme
                  .of(context)
                  .primaryColor,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Icon(
                    Icons.people,
                    color: Colors.white,
                    size: 24.0,
                  ),
                  Text('Contacts',
                      style: TextStyle(
                        color: Colors.white,
                        fontSize: 16.0,
                      ))
                ],
              ),
            ),
          )
        ],
      ),
    );
  }
}