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  • Book Overview & Buying Swift Essentials
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Swift Essentials

Swift Essentials

By : Alex Blewitt
4.8 (4)
Buy this Book
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Swift Essentials

Swift Essentials

4.8 (4)
By: Alex Blewitt
Buy this Book

Overview of this book

Whether you are a seasoned Objective-C developer or new to the Xcode platform, Swift Essentials will provide you with all you need to know to get started with the language. Prior experience with iOS development is not necessary, but will be helpful to get the most out of the book.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Trademarks
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Conventions
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Reader feedback
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Customer support
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1
1. Exploring Swift
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1. Exploring Swift
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Getting started with Swift
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Conditional logic
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Iteration
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Functions
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Command-line Swift
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Summary
2
2. Playing with Swift
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2. Playing with Swift
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Getting started with playgrounds
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Displaying objects with QuickLook
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Advanced techniques
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Playgrounds and documentation
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Limitations of playgrounds
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Summary
3
3. Creating an iOS Swift App
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3. Creating an iOS Swift App
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Understanding iOS applications
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Creating a single view iOS application
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Swift classes, protocols, and enums
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Creating a master-detail iOS application
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Summary
4
4. Storyboard Applications with Swift and iOS
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4. Storyboard Applications with Swift and iOS
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Storyboards, scenes, and segues
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Adding a navigation controller
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Swift and storyboards
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Using Auto Layout
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Summary
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5. Creating Custom Views in Swift
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5. Creating Custom Views in Swift
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An overview of UIView
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Creating new views with interface builder
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Creating views by subclassing UIView
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Custom graphics with drawRect
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Custom graphics with layers
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Summary
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6. Parsing Networked Data
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6. Parsing Networked Data
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Loading data from URLs
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Parsing JSON
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Parsing XML
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Direct network connections
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Summary
7
7. Building a Repository Browser
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7. Building a Repository Browser
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An overview of the GitHub API
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The RepositoryBrowser project
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Creating the client
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Accessing repositories from view controllers
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Summary
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A. Appendix
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A. Appendix
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Language
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Twitter users
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Blogs and tutorial sites
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Meetups
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Afterword
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Index
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Index

Getting started with playgrounds

When Xcode is started, a welcome screen is shown with various options, including the ability to create a playground. Playgrounds can also be created from the File | New | Playground menu.

Getting started with playgrounds

Creating a playground

Using either the Xcode welcome screen (which can be opened by navigating to Window | Welcome to Xcode) or navigating to File | New | Playground, create MyPlayground in a suitable location targeting iOS. Creating the playground on the Desktop will allow easy access to test Swift code, but it can be located anywhere on the filesystem.

Playgrounds can be targeted either towards OS X applications or towards iOS applications. This can be configured when the playground is created, or by switching to the Utilities view by navigating to View | Utilities | Show File Inspector or pressing Command + Option + 1 and changing the dropdown from OS X to iOS or vice versa.

Creating a playground

When initially created, the playground will have a code snippet that looks as follows:

// Playground...
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Tech Concepts
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Programming languages
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Swift Essentials
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