Commit d3117f49 authored by Stefan Haslinger's avatar Stefan Haslinger

removed some boiler plate code

parent 45a08719
...@@ -3,40 +3,20 @@ import 'package:flutter/material.dart'; ...@@ -3,40 +3,20 @@ import 'package:flutter/material.dart';
void main() => runApp(MyApp()); void main() => runApp(MyApp());
class MyApp extends StatelessWidget { class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return MaterialApp( return MaterialApp(
title: 'Flutter Demo', title: 'Encrateia',
theme: ThemeData( theme: ThemeData(
// This is the theme of your application. primarySwatch: Colors.orange,
//
// 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,
), ),
home: MyHomePage(title: 'Flutter Demo Home Page'), home: MyHomePage(title: 'Encrateia Start'),
); );
} }
} }
class MyHomePage extends StatefulWidget { class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key); 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; final String title;
@override @override
...@@ -48,47 +28,18 @@ class _MyHomePageState extends State<MyHomePage> { ...@@ -48,47 +28,18 @@ class _MyHomePageState extends State<MyHomePage> {
void _incrementCounter() { void _incrementCounter() {
setState(() { 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++; _counter++;
}); });
} }
@override @override
Widget build(BuildContext context) { 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( return Scaffold(
appBar: AppBar( 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), title: Text(widget.title),
), ),
body: Center( body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column( child: Column(
// Column is also layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center, mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[ children: <Widget>[
Text( Text(
...@@ -105,7 +56,7 @@ class _MyHomePageState extends State<MyHomePage> { ...@@ -105,7 +56,7 @@ class _MyHomePageState extends State<MyHomePage> {
onPressed: _incrementCounter, onPressed: _incrementCounter,
tooltip: 'Increment', tooltip: 'Increment',
child: Icon(Icons.add), child: Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods. ),
); );
} }
} }
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