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Xcode

  • iOS 8
    iOS 8: How to Build a Simple Action ExtensionExtensions
    125 shares
    Are you excited about extensions in iOS 8? Want to learn how to build an extension for your own iOS app? Then join us in this simple tutorial that will get you up to speed on Action extensions. We'll build a simple app and extension from scratch, and walk you through the whole process so you can start experimenting with your own ideas.Read More…
  • Swift
    Swift from Scratch: ClosuresPreview image@2x
    117 shares
    If you've worked with blocks in C/Objective-C or lambdas in Ruby, then you won't have a hard time wrapping your head around the concept of closures. Closures are nothing more than blocks of functionality that you can pass around in your code. In this article, you will learn everything you need to know about closures to get you started.Read More…
  • Adaptive Design
    An Introduction to Adaptive DesignPreview image@2x
    260 shares
    Xcode 6 and iOS 8 marked the release of several new technologies to help design your app for any device. Adaptive design makes development easier to account for all screen sizes, devices, and orientations. In this tutorial, you'll learn what exactly adaptive design is and how to start using it today.Read More…
  • Swift
    Swift from Scratch: Function Parameters, Types, and NestingPreview image@2x
    132 shares
    In the previous article, we explored the basics of functions in Swift. Functions, however, have a lot more to offer. In this article, we will continue our exploration of functions and look into function parameters, nesting, and types.Read More…
  • Swift
    New Course: The Swift Programming LanguageSwift
    130 shares
    At Apple's annual WWDC in 2014, it announced the creation and release of a brand new programming language: Swift. The idea is to use this language going forward when creating apps that target both iOS and OS X operating systems. In our new course, you'll learn the basics of the language and get familiar with the fundamental concepts.Read More…
  • Swift
    Swift from Scratch: An Introduction to FunctionsPreview image@2x
    202 shares
    To get anything done in Swift, you'll need to learn the ins and outs of functions. Functions are exceptionally powerful and flexible in Swift. The basics are simple—especially if you've worked with other programming languages before—but because of Swift's flexible syntax it can easily become complex if you're not familiar with the basics. In this article, we'll focus on those basics first.Read More…
  • Swift
    Swift from Scratch: Optionals and Control FlowPreview image@2x
    174 shares
    In the previous articles, you learned some of the basic concepts of the Swift programming language. If you've programmed before, I'm sure you saw a few similarities with other programming languages, such as Ruby, JavaScript, and Objective-C. In this article, we zoom in on control flow in Swift. Before we can discuss control flow in more detail, we need to take a look at a concept that is new to most of you, optionals. Optionals are another safety feature of Swift. At first, it may look like a hassle to use optionals, but you'll quickly learn that optionals will make your code much safer.Read More…
  • iOS 8
    iOS 8: What's New in SpriteKit, Part 2Preview
    119 shares
    This tutorial gives an overview of the new features of the SpriteKit framework that were introduced in iOS 8. The new features are designed to make it easier to support advanced game effects and include support for custom OpenGL ES fragment shaders, lighting, shadows, advanced new physics effects and animations, and integration with SceneKit. In this tutorial, you'll learn how to implement these new features.Read More…
  • Swift
    Swift from Scratch: Collections and TuplesPreview image@2x
    184 shares
    In the previous article, you learned about variables, constants, and some of the common data types, such as integers, floats, and strings. In this article, we zoom in on collections. Swift's standard library defines two collection types, arrays and dictionaries.Read More…
  • iOS 8
    iOS 8: What's New in SpriteKit, Part 1Preview image@2x
    157 shares
    This tutorial gives an overview of the new features of the SpriteKit framework that were introduced in iOS 8. The new features are designed to make it easier to support advanced game effects and include support for custom OpenGL ES fragment shaders, lighting, shadows, advanced new physics effects and animations, and integration with SceneKit. In this tutorial, you'll learn how to implement these new features.Read More…
  • Testing
    Introduction to iOS Testing With UI AutomationPreview image@2x
    247 shares
    Just imagine being able to write scripts that automatically interact with your iOS application and be able to verify the results. With UI Automation you can. UI Automation is a tool provided by Apple to perform a higher level of testing on your iOS application beyond anything achievable with XCTest.Read More…
  • Swift
    Swift from Scratch: Variables and ConstantsPreview image@2x
    173 shares
    In the first article of Swift from Scratch, you learned about Xcode playgrounds and wrote your first lines of Swift. In this article, we start learning the fundamentals of the Swift programming language by exploring variables and typing. We will also take a close look at constants and why you're encouraged to use them as much as possible.Read More…
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