yoichitgy

protocol Animal {
    func sound() -> String
}
class Cat: Animal {
    func sound() -> String { return "😺Meow" }
}
class Dog: Animal {
    func sound() -> String { return "🐶Bow wow" }
}

yoichitgy

import UIKit

class ViewController: UIViewController {
    private var count = 0

    override func viewDidLoad() {
        super.viewDidLoad()
        Log.info(message: "viewDidLoad")
        Log.info(message: "API: GET /some/values")
        Log.info(message: "User did something.")

yoichitgy

import UIKit
import Fabric
import Crashlytics

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        Fabric.with([Crashlytics.self])

yoichitgy

import Foundation
import os.log
import Crashlytics

final class Log {
    private init() {}

    static func debug(message: String) {
        writeLog(message: message, level: .debug)
    }

yoichitgy

// Demo at iOSCon 2017 in London
// https://speakerdeck.com/yoichitgy/dependency-injection-in-practice-ioscon
//
// How to Use: Paste this program to a Playground.
// Tested with: Xcode 8.2.1

// Interface (protocol)
protocol Logger {
    func log(_ message: String)
}

yoichitgy

// Demo at iOSCon 2017 in London
// https://speakerdeck.com/yoichitgy/dependency-injection-in-practice-ioscon
//
// Tested with: Xcode 8.2.1
//
// How to Use: 
// 1. Clone Swinject: git clone --recursive [email protected]:Swinject/Swinject.git
// 2. Checkout 2.0.0 branch: cd Swinject; git checkout 2.0.0
// 3. Build the Swinject project for a simulator target
// 4. Open the playground in the project

yoichitgy

// Demo at iOSCon 2017 in London
// https://speakerdeck.com/yoichitgy/dependency-injection-in-practice-ioscon
//
// How to Use: Paste this program to a Playground.
// Tested with: Xcode 8.2.1

protocol Animal: class { }
class Cat: Animal { }
class Dog: Animal { }

yoichitgy

#!/bin/bash

while getopts p option
do
  case $option in
    p) opt_p=TRUE ;;
  esac
done

if [ ! -d "public" ]

yoichitgy

#!/bin/sh
#
#  genassetimages.sh
#    Generates iOS asset PNG images from a PSD file for @1x, @2x and @3x scales.
#    ImageMagick is used to resize the images.
#

# settings ==========
outputDir="image_assets"
assetSuffixes=(".png" "@2x.png" "@3x.png")

yoichitgy

#!/usr/bin/env python
# -*- coding: utf-8 -*-
 
# Localize.py - Incremental localization on XCode projects
# João Moreno 2009
# http://joaomoreno.com/
 
# Modified by Steve Streeting 2010 http://www.stevestreeting.com
# Changes
# - Use .strings files encoded as UTF-8