Swift For Dummies - Softcover

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Get up and running with Swift--swiftly Brimming with expert advice and easy-to-follow instructions, Swift For Dummies shows new and existing programmers how to quickly port existing Objective-C applications into Swift and get into the swing of the new language like a pro. Designed from the ground up to be a simpler programming language, it's never been easier to get started creating apps for the iPhone or iPad, or applications for Mac OS X. Inside the book, you'll find out how to set up Xcode for a new Swift application, use operators, objects, and data types, and control program flow with conditional statements. You'll also get the scoop on creating new functions, statements, and declarations, learn useful patterns in an object-oriented environment, and take advantage of frameworks to speed your coding along. Plus, you'll find out how Swift does away with pointer variables and how to reference and dereference variables instead. Set up a playground development environment for Mac, iPhone, iPad, and wearable computers Move an existing Objective-C program to Swift Take advantage of framework components and subcomponents Create an app that uses location, mapping, and social media Whether you're an existing Objective-C programmer looking to port your code to Swift or you've never programmed for Apple in the past, this fun and friendly guide gets you up to speed swiftly.

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Learn to:

• Get up and running with Swift on Xcode®
• Set up a playground environment to test Swift syntax quickly
• Collect, declare, and type data
• Create an app that uses location, mapping, and social media

Here’s the Swift solution to learning Apple’s new, simpler programming language

Designed from the ground up to be easier than Objective-C, Swift is expected to become the premier programming language for iPhone, iPad, and Mac apps. Get onboard now with this plain-English guide! Learn to set up Xcode for a new Swift application, start building iPhone and iPad apps, mix and match Objective-C with Swift, and much more.

• Off to a Swift start — get the developer tools, set up your Mac, register as a developer, and plan your environment
• Welcome to the playground — discover the playground environment, where you can write simple or complex code and watch while it executes
• Get your actions together — see how Swift treats actions and function definitions
• Building Swift classes — find out about the initialization and deinitialization features and how Swift expressions are built
• Classes, structures, and enumerations — learn to work with these as well as methods, functions, actions, and protocols

Open the book and find:

• How to combine projects into workspaces
• Steps for creating a playground
• All about Xcode editing tools
• Advice on using constants and variables
• Using internal and external names for parameters
• Tips for working with optional types
• Using the iOS Simulator to test your code
• Ten Swift features that aren’t in Objective-C®