[lmno.games] / flutterempires / lib / main.dart

import 'package:flutter/material.dart';
import 'package:flutterempires/player.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Empires',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Empires'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  Future<Player> futurePlayer;
  Future<List<Player>> allPlayers;

  @override
  void initState() {
    super.initState();
    futurePlayer = Player.fetchFirstPlayer();
    allPlayers = Player.fetchAllPlayers();
  }

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: new Container(
        margin: const EdgeInsets.only(left: 20.0, right: 20.0),
        child : Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: <Widget>[
              Spacer(flex: 1),
              Text(
                'Name:',
                style: Theme.of(context).textTheme.headline4,
              ),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Enter your (real) name',
                ),
              ),
              Spacer(flex: 1),
              Text(
                'Character:',
                style: Theme.of(context).textTheme.headline4,
              ),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Enter your empire character name',
                ),
              ),
              Spacer(flex: 1),
              FutureBuilder<Player>(
                future: futurePlayer,
                builder: (context, snapshot) {
                  if (snapshot.hasData) {
                    return Text(snapshot.data.name);
                  } else if (snapshot.hasError) {
                    return Text("${snapshot.error}");
                  }
                  return CircularProgressIndicator();
                },
              ),
              Spacer(flex: 1),
              FutureBuilder<List<Player>>(
                future: allPlayers,
                builder: (context, snapshot) {
                  if (snapshot.hasData) {
                    return Text(snapshot.data.length.toString());
                  } else if (snapshot.hasError) {
                    return Text("${snapshot.error}");
                  }
                  // By default, show a loading spinner.
                  return CircularProgressIndicator();
                },
              ),
              Spacer(flex: 10),
            ],
          ),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}