By Matthew Knott

This booklet won't in simple terms get you up and operating with Apple's most recent model of Xcode, however it additionally indicates you ways to exploit speedy in Xcode and contains a number of tasks to build.

If you have already got a few programming event with iOS SDK and Objective-C, yet need a extra in-depth instructional on Xcode, in particular Xcode with Apple’s new programming language, rapid, then Beginning Xcode, quick version is for you.

The booklet specializes in the recent applied sciences, instruments and lines that Apple has bundled into the hot Xcode eight, to enrich the most recent iOS 10. by means of the tip of this ebook, you will have all the abilities and numerous examples to draft from to get your rapid app from concept to App shop with the entire strength of Xcode.

What You’ll learn

  • How to take advantage of quick and new Swift-related gains in Xcode
  • How to start with Xcode, utilizing Workspaces, Interface Builder, storyboarding, tables/collection perspectives and more
  • How to exploit Xcode's titanic libraries, frameworks and bundles
  • How to create interesting interactive apps for iPhone or iPad utilizing Sprite package, Map equipment, and different Apple technologies
  • How to proportion your app utilizing organizer, localization, car structure, and more

Who this booklet is for

This ebook is for people with a few Objective-C/Cocoa and/or iOS SDK app improvement adventure, yet are looking to be extra effective in writing and trying out their code, and those who need to know in-depth examples of speedy in Xcode.

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Additional resources for Beginning Xcode: Swift 3 Edition

Example text

Now you need to locate an image file you would like to use as the application background. com, which has a collection of images licensed under the Creative Commons license (they’re public domain). The image is included with the downloadable resources for this chapter. Once you’ve located your file, click Options to display some additional controls. With your file selected, ensure Copy Items If Needed is checked, as shown in Figure 2-21, and click Add. Figure 2-21. The Add Files dialog. Note that Copy Items If Needed is checked 30 CHAPTER 2 ■ DIVING RIGHT IN At this point you return to Xcode.

Swift. You can verify this by looking at the jump bar just above the code, as shown in Figure 2-13. Continue as follows: Figure 2-13. The jump bar in the Assistant Editor shows which file is open 24 CHAPTER 2 ■ DIVING RIGHT IN 1. With Interface Builder and the code displayed using the Assistant Editor, click the label you added to your view in Interface Builder to highlight it. Now you’re going to create a variable called an outlet (IBOutlet) to make the label accessible through your code. In older versions of Xcode, the process of creating an outlet and then wiring it into Interface Builder was quite long-winded, but Apple has simplified this greatly over the past few versions of Xcode by allowing you to drag connections directly from Interface Builder into the code.

Generally, the Object Library is right below the Attributes Inspector and is accessible by selecting the third tab; you can also access it via View ➤ Utilities ➤ Show Object Library (^+ +⌥+3). 4. With the library open, use the small search bar to search for “label”. 21 CHAPTER 2 ■ DIVING RIGHT IN Figure 2-8. The Object Library, filtered for “label” 5. Once you’ve found the label object, drag it to your interface at the top of the view, as shown in Figure 2-9. As you position the label near the top, the guides shown in Figure 2-9 appear, and the label snaps into place.

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