By Gary Bennett, Brad Lees
Swift 2 for Absolute Beginners is ideal for people with no programming heritage, people with a few programming event yet no object-oriented event, or those who have an exceptional inspiration for an app yet haven’t programmed in view that institution, and it truly is now up-to-date for fast 2.
Gary Bennett and Brad Lees are full-time specialist iOS builders and feature built a extensive spectrum of apps for Fortune 500 businesses. The authors have taken their mixed 12 years of writing apps, educating on-line iOS classes, the event from their first 3 iOS books, in addition to their on-line guideline and loose on-line discussion board at XcelMe.com to create a very good education book.
Many humans have a tough time believing they could discover ways to write iOS apps or simply staying stimulated via studying the method. This ebook, in addition to the loose, dwell on-line education classes, is helping scholars remain encouraged and triumph over hindrances whereas they learn how to be nice iOS developers.
What you’ll learn
- Using rapid Playgrounds to benefit iOS improvement quickly
- What is item orientated Programming
- What are quick periods, houses, and functions
- Proper consumer interface and person event design
- Swift info forms: integers, floats, strings, booleans
- How to exploit fast facts collections: arrays and dictionaries
- Boolean good judgment, evaluating information, and circulate control
- Writing iPhone and Watch apps from scratch
- Introduction to HealthKit
Who this e-book is for
This e-book is for a person who desires to discover ways to boost apps for the Mac, iPhone, and iPad, and Watch utilizing the speedy programming language. No earlier programming event is critical.
Table of Contents
Ch. 1: changing into a very good iOS Developer
Ch. 2: Programming fundamentals
Ch. three: It’s All in regards to the Data
Ch. four: Making judgements, application movement, and App Design
Ch. five: Object-Oriented Programming with Swift
Ch. 6: studying speedy and Xcode
Ch. 7: rapid sessions, gadgets, and Methods
Ch. eight: Programming fundamentals in Swift
Ch. nine: evaluating Data
Ch. 10: developing consumer Interfaces
Ch. eleven: Storing Information
Ch. 12: Protocols and Delegates
Ch. thirteen: Introducing the Xcode Debugger
Ch. 14: A speedy iPhone App
Ch. 15: constructing an Apple Watch App
Ch. sixteen: constructing a HealthKit App
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Additional info for Swift 2 for Absolute Beginners
Sample text
19 20 CHAPTER 2: Programming Basics Figure 2-8. The playground window You now need to become familiar with the Xcode playground IDE. Let’s look at two of the most often used features. The Editor area The Results area Xcode Playground IDE: Editor and Results Areas The Editor area is the business end of the Xcode playground IDE—where your dreams are turned into reality. It is where you write your code. As you write your code, you will notice it change color. Sometimes, Xcode will even try to autocomplete words for you.
Clicking this button opens the Version editor. You will see the differences between the selected file in one pane and another version of that same file in a second pane. Creating Your First Swift Playground Program Now that you have learned a little about Xcode, it’s time to write your first Swift playground program and begin to understand the Swift language, Xcode, and some syntax. First you have to install Xcode. 16 CHAPTER 2: Programming Basics Installing and Launching Xcode 7 Xcode 7 is available for download from the Mac App Store for free, as shown in Figure 2-4, and from the Apple Developer Center, as shown in Figure 2-5.
Most data you will use in your programs can be classified into four different kinds—Booleans, numbers, strings, and objects. We will discuss how to work with numbers and object data types in the remainder of this chapter. In Chapter 4, we will talk more about Boolean data types when you learn how to write apps with decision making. CHAPTER 3: It’s All About the Data 33 Note Localizing your app is the process of writing your app so users can buy and use it in their native language. This process is too advanced for this book, but it is a simple one to complete when you plan from the beginning.