Flutter Study Jam Part 2 - Demo 1

main.dart

import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Clock(),
        ),
      ),
    );
  }
}

class Clock extends StatefulWidget {
  const Clock({Key key}) : super(key: key);

  @override
  _ClockState createState() => _ClockState();
}

class _ClockState extends State<Clock> {
  int _timeInSeconds = 0;

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 500.0,
      color: Colors.black,
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Text(
            '$_timeInSeconds',
            style: TextStyle(
              fontSize: 40.0,
            ),
          ),
          FlatButton(
            child: Text('Increment'),
            onPressed: () => _timeInSeconds++,
          ),
        ],
      ),
    );
  }
}