kleinlennart

String.valueOf(var).length() //gibt die Länge digits eines ints an

kleinlennart

import 'package:flutter/material.dart';

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => new _HomePageState();
}

class _HomePageState extends State<HomePage> {
  
  @override

kleinlennart

Shortcuts Cheatsheet (MacOS)

A collection of shortcuts I find useful

Android Studio

Shortcut	Function
fn + F1	Shows documentation
Shift + alt + S	Reformat Code with dartfmt
Cmd + S	Save File and Flutter Hot Reload
Cmd + S + Shift	Flutter Full Reload

kleinlennart

onTap: () => Navigator.of(context).push(new MaterialPageRoute(
                  builder: (BuildContext context) => new OtherPage())) //Page Constructor (Other Page)
  
  
  //Needs to be in a seperate Widget than MaterialApp (no nesting)

kleinlennart

class SnackBarPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Center(
      child: new RaisedButton(
        onPressed: () {
          final snackBar = new SnackBar(
            content: new Text("Button Pressed"),
            duration: new Duration(seconds: 5),
            action: new SnackBarAction(

kleinlennart

Akcronym	Meaning
API	Application Programming Interface
SDK	Software Development Kit
IDE	Integrated Development Environment
SQL	Structured Query Language (SEQUEL - Structured English Query Language)
CSS	Cascading Style Sheets
HTML	Hypertext Markup Language
CMS	Content Management System (Webpage)
DOM	Document Object Model

kleinlennart

new Image.network(
  'https://raw.githubusercontent.com/flutter/website/master/_includes/code/layout/lakes/images/lake.jpg',
)

kleinlennart

import 'package:flutter/material.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',

kleinlennart

//  in main.dart: 
//  import 'package:fly_library/res/theme.dart' as Theme;

import 'package:flutter/material.dart';

final ThemeData myAppTheme = new ThemeData(
    brightness: Brightness.light,
    primarySwatch: Colors.blue,
    primaryColor: Colors.blue[500],
    primaryColorBrightness: Brightness.light,

kleinlennart

new Column(
        children: <Widget>[
          new Card(
            child: new Column(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[
                const ListTile(
                  leading: const Icon(Icons.album),
                  title: const Text('The Enchanted Nightingale'),
                  subtitle: const Text(