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      $40

      Hacking with watchOS

      INCLUDES FREE UPDATES FOR SWIFT 5 AND BEYOND! Click here for full details.

      watchOS might be Apple's tiniest platform, but that doesn't make it any less powerful. Being based on iOS means you get the power of features like Siri, Core Graphics, Handoff, and more – all based on the same Swift language and Xcode tools you already know.

      So, if you already know how to make apps for iOS or macOS, you're already half way to learning watchOS programming, and that's where this book steps in.

      Hacking for watchOS teaches you to build watchOS apps the fast and practical way: you'll learn all the important system frameworks while you build real-world apps. No more dry theory or useless waffle – just hands-on code and contextual explanation.

      • 100% watchOS 5: You can always be guaranteed you're learning the latest, greatest Apple technologies because all my tutorials are written for watchOS 5.
      • 100% Swift 4.2: Don't waste time with out of date tutorials – here you can learn smart, powerful, and expressive Swift the way it was meant to be written.
      • 100% Practical: You learn Swift while you make real watchOS projects, which means you get to apply your new skills immediately and see them work in context.
      • 100% Proven: I've already taught thousands of people how to build iOS and macOS, and now I'll help you transfer your skills to watchOS.


      What's in the course?

      If you already read Hacking with Swift, Hacking with macOS, or Server-Side Swift, you'll already know exactly how Hacking with watchOS is structured: I've designed a collection of app projects that teach all the core system frameworks, then ordered them so you start to learn with easy projects and work your way up over time.

      Hacking with watchOS teaches you Swift and watchOS frameworks through real-world projects. There's a comprehensive Swift introduction for beginners, but I'm also packing the book with hints and tips that help you transfer your existing iOS skills to watchOS painlessly.

      Hacking with watchOS includes 12 projects in total: four apps, four games, and four technique projects that focus on specific watchOS APIs. The projects are:

      • NoteDictate: Get started coding in Swift by making a notes app driven entiely by your user's voice.
      • Rock, Paper, Scissors: Learn how to use timers, images, groups, and more with this brain-teasing game.
      • Storing Data: Persist your apps data using UserDefaults, files, and the secure keychain.
      • WatchFX: Build a currency converter using live internet data, plus sliders, pickers, and a page-based user interface.
      • Hue Knows: Discover how alerts, menus, and notifications can help you build richer watchOS apps and games.
      • User Input: Voice dictation is just one input option – this project shows how to suggest text and accept emoji.
      • Magic 8-Ball: Build your own watch face complication that can predict the future. (Possibly)
      • Safe Crack: Combine the digital crown with haptic feedback and Grand Central Dispatch to create a fun puzzle.
      • Animation: Learn how to make your user interfaces come to life with attribute and image animations.
      • iMove: Design your own custom workout app using HealthKit and track calories, distance, and more.
      • ColorSpin: Add SpriteKit to your apps and build high-performance 2D games – it's easier than you think!
      • WatchConnectivity: Transfer data, settings, files, and complication updates between watchOS and iOS.


      While building projects, you'll learn all this and more:

      • How WatchKit on watchOS differs from Cocoa Touch on iOS.
      • Creating advanced user interfaces with WKInterfaceTable, WKInterfaceImage, WKInterfaceButton, WKInterfacePicker, and more.
      • How to build apps that make the most of a small display – use the digital crown, gesture recognizers, and more.
      • Communicating with the user's iPhone to share information, including notifications and app data.
      • Reading and writing data using HealthKit to build your own workout app.
      • Designing apps to take advantage of system features such as watch complications, animations, voice dictation, and the secure keychain.
      • Handling animation, concurrency, and more.


      Download a free sample!

      You can download the complete table of contents for this book here, or a 24-page sample PDF here.


      Will it teach me Swift?

      I've done my best to make sure this book is accessible to everyone: if you're just starting out I'll make sure and explain every concept, but if you're coming from iOS there are tips to help you transfer your existing skills to watchOS.

      Hacking with watchOS comes with the same packed Swift introduction you get with Hacking with Swift, but after that it turns to focus on the powerful platform features that lie at the core of watchOS. I'm working hard to cover as much of WatchKit as possible, to help give you the best jump start possible for your own apps.


      I already make iOS apps – is watchOS so different?

      iOS, macOS, tvOS and watchOS have a number of similarities, not least the Swift programming language that works across all of them. This means coming to watchOS from iOS already gives you a head start because many concepts will be familiar to you.

      But when it comes to user interface, watchOS and iOS are worlds apart. The very nature of watchOS is that it's designed to work on the smallest possible devices, so your app needs to work extra hard to load and operate quickly.

      I make a point of highlighting everywhere watchOS and iOS come together so you can transfer your skills faster. This means you don't need to learn many things from scratch, and can instead focus on the parts that are different.


      What will I get?

      You'll get the complete book and all project tutorials as ePub, PDF, Amazon Kindle, and HTML, all without any DRM.


      Any other questions?

      You can email me at paul@hackingwithswift.com or tweet me @twostraws, and I'll do my best to help.

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      You've purchased this product

      See it in your library

      • You get the complete book with all projects in ePub, PDF, Amazon Kindle, and HTML, all DRM-free.

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      Your rental will be available for 30 days. Once started, you’ll have 72 hours to watch it as much as you’d like!

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