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Swift Essentials

Swift Essentials

By : Alex Blewitt, Bandlem Limited
4.8 (4)
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Swift Essentials

Swift Essentials

4.8 (4)
By: Alex Blewitt, Bandlem Limited

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
Preface
What this book covers
What you need for this book
Who this book is for
Trademarks
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Exploring Swift
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1. Exploring Swift
Getting started with Swift
Conditional logic
Iteration
Functions
Command-line Swift
Summary
2
2. Playing with Swift
2. Playing with Swift
Getting started with playgrounds
Displaying objects with QuickLook
Advanced techniques
Playgrounds and documentation
Limitations of playgrounds
Summary
3
3. Creating an iOS Swift App
3. Creating an iOS Swift App
Understanding iOS applications
Creating a single view iOS application
Swift classes, protocols, and enums
Creating a master-detail iOS application
Summary
4
4. Storyboard Applications with Swift and iOS
4. Storyboard Applications with Swift and iOS
Storyboards, scenes, and segues
Adding a navigation controller
Swift and storyboards
Using Auto Layout
Summary
5
5. Creating Custom Views in Swift
5. Creating Custom Views in Swift
An overview of UIView
Creating new views with interface builder
Creating views by subclassing UIView
Custom graphics with drawRect
Custom graphics with layers
Summary
6
6. Parsing Networked Data
6. Parsing Networked Data
Loading data from URLs
Parsing JSON
Parsing XML
Direct network connections
Summary
7
7. Building a Repository Browser
7. Building a Repository Browser
An overview of the GitHub API
The RepositoryBrowser project
Creating the client
Accessing repositories from view controllers
Summary
8
A. Appendix
A. Appendix
Language
Twitter users
Blogs and tutorial sites
Meetups
Afterword
9
Index
Index

Chapter 1. Exploring Swift

Apple announced Swift at WWDC 2014 as a new programming language that combines experience with the Objective-C platform and advances in dynamic and statically typed languages over the last few decades. Before Swift, most code written for iOS and OS X applications was in Objective-C, a set of object-oriented extensions to the C programming language. Swift aims to build upon patterns and frameworks of Objective-C but with a more modern runtime and automatic memory management.

This chapter will present the following topics:

  • How to use the Swift REPL to evaluate Swift code
  • The different types of Swift literals
  • How to iterate through arrays, dictionaries, and sequences
  • Functions and the different types of function arguments
  • Compiling and running Swift from the command line
End of Section 1
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