By Jesse Feiler
Wake up and operating with Swift—swiftly
Brimming with specialist recommendation and easy-to-follow directions, fast For Dummies indicates new and current programmers how you can speedy port latest Objective-C purposes into speedy and get into the swing of the recent language like a professional. Designed from the floor as much as be an easier programming language, it's by no means been more uncomplicated to start growing apps for the iPhone or iPad, or functions for Mac OS X.
Inside the ebook, you'll how one can arrange Xcode for a brand new quick software, use operators, gadgets, and knowledge kinds, and keep watch over application movement with conditional statements. You'll additionally get the inside track on growing new services, statements, and declarations, study necessary styles in an object-oriented atmosphere, and benefit from frameworks to hurry your coding alongside. Plus, you'll learn how speedy does away with pointer variables and the way to reference and dereference variables instead.
Set up a playground improvement setting for Mac, iPhone, iPad, and wearable computers
Move an current Objective-C software to Swift
Take good thing about framework parts and subcomponents
Create an app that makes use of place, mapping, and social media
Whether you're an present Objective-C programmer trying to port your code to fast or you've by no means programmed for Apple long ago, this enjoyable and pleasant advisor will get you on top of things speedily.
Read or Download Swift For Dummies PDF
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Extra info for Swift For Dummies
Make certain that you have an Apple ID that you will use for your development, and then choose your program. If you are working for a business or are enrolled in a school, check to see if you are eligible to join a program there: It may save you some money. Planning Your Environment Your development environment is centered around a Mac with Xcode installed on it, but you can use several Macs for development. Each one should have Xcode on it (see further topics in this section for a discussion of multiple versions of Xcode).
This opens the Font window. Chapter 1: Setting Up an Xcode Swift Project Figure 1-7: Setting fonts and colors. Use + at the bottom left to add a new style. You can provide a title for the new style, as well as set colors and fonts. To experiment with these settings, begin by creating a new style (as shown in step 6) before you modify the existing styles. Use the Text Editing tab to set editing and indentation preferences. The editing preferences are shown in Figure 1-8. Most of the checkboxes are self‐ explanatory, but a few might benefit from some elaboration: ✓✓ Code Completion: This setting activates Xcode’s autocomplete feature.
You can use the + and – buttons below the lists to adjust them. Explore your Swift files. You can look over these at this point, but don’t touch. Look at the text fonts and coloring. If you don’t like the way your code looks, adjust those preferences until the code looks meaningfully colored and indented. You may also want to resize your window to make lines wrap better. Remember that you can show and hide the navigator and utilities areas at the left and right of the window. Experiment! Build and run the project.