Book Image

Swift Essentials - Second Edition

By : Alex Blewitt
Book Image

Swift Essentials - Second Edition

By: Alex Blewitt

Overview of this book

Swift was considered one of the biggest innovations last year, and certainly with Swift 2 announced at WWDC in 2015, this segment of the developer space will continue to be hot and dominating. This is a fast-paced guide to provide an overview of Swift programming and then walks you through in detail how to write iOS applications. Progress through chapters on custom views, networking, parsing and build a complete application as a Git repository, all by using Swift as the core language
Table of Contents (17 chapters)
Swift Essentials Second Edition
About the Author
About the Reviewer

Getting started with playgrounds

When Xcode is started, the welcome screen is displayed with various options, including the ability to create a playground. The welcome screen can be shown with Command + Shift + 1, or by navigating to Window | Welcome to Xcode:

Creating a playground

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

When initially created, the playground will have a code...