felixblaschke

import 'package:web_socket_channel/web_socket_channel.dart';

class SomeClass {
  // Contains message history
  final _messages = <String>[];
  late final WebSocketChannel _channel;

  void createConnection() {
    // Connect to web socket
    _channel = WebSocketChannel.connect(Uri.parse('ws://localhost:8080/ws'));

felixblaschke

import 'dart:io';

import 'package:shelf_plus/shelf_plus.dart';

void main() => shelfRun(init);

Handler init() {
  var app = Router().plus;

  // Track connected clients

felixblaschke

import 'dart:io';
import 'package:shelf_plus/shelf_plus.dart';

void main() => shelfRun(init); // runs server with hot-reload preconfigured

Handler init() {
  var app = Router().plus;

  app.get('/', () => 'Hello World!');

felixblaschke

class MyClass {
  ...

  String interestingMethod() {
    return 'Foo';
  }
}

felixblaschke

import 'dart:math';

// #begin
class MyClass {
  // #skip
  int someMethod() {
    return Random().nextInt(1);
  }
  // #resume

felixblaschke

[Unit]
Description=dartbackend

[Service]
User=root
Type=simple
ExecStart=/usr/bin/dart bin/dart_backend.dart
WorkingDirectory=/root/dart_backend
Restart=always
RestartSec=5s

felixblaschke

import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:alfred/alfred.dart';

void main() async {
  var app = Alfred();

  app.get('*', (req, res) => Directory('public'));

felixblaschke

import 'dart:io';
import 'package:alfred/alfred.dart';

void main() async {
  var app = Alfred();

  app.get('*', (req, res) => Directory('public'));

  await app.listen(8080);
}

felixblaschke

import 'package:flutter/material.dart';
import 'package:simple_animations/simple_animations.dart';

/*
environment:
  sdk: '>=2.12.0 <3.0.0'

dependencies:
  flutter:
    sdk: flutter

felixblaschke

var name = StateProvider((_) => "Peter");
var age = StateProvider((_) => 32);

// Combines "name" and "age" to a String
var greeting = Provider<String>((scope) {
  return "Hi! My name is ${scope.watch(name).state} and "
      "I am ${scope.watch(age).state} years old.";
});

// Refines the "greeting" String to a Widget