A quick cheatsheet of useful snippet for Flutter
A widget is the basic type of controller in Flutter Material.
There are two type of basic Widget we can extend our classes: StatefulWidget or StatelessWidget.
StatefulWidget are all the widget that interally have a dynamic value that can change during usage. It can receive an input value in the constructor or reference to functions. You need to create two classes like:
| import 'package:flutter/material.dart'; | |
| void main() => runApp(TestApp()); | |
| class TestApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| theme: ThemeData( | |
| primaryColor: Colors.green[900], |
| # POST a JSON file and redirect output to stdout | |
| wget -q -O - --header="Content-Type:application/json" --post-file=foo.json http://127.0.0.1 | |
| # Download a complete website | |
| wget -m -r -linf -k -p -q -E -e robots=off http://127.0.0.1 | |
| # But it may be sufficient | |
| wget -mpk http://127.0.0.1 | |
| # Download all images of a website |
