By Gary Bennett, Brad Lees

Swift 2 for Absolute Beginners is ideal for people with no programming history, people with a few programming event yet no object-oriented event, or those who have an excellent inspiration for an app yet haven’t programmed considering the fact that tuition, and it really is now up to date for fast 2.

Gary Bennett and Brad Lees are full-time specialist iOS builders and feature constructed a wide spectrum of apps for Fortune 500 businesses. The authors have taken their mixed 12 years of writing apps, instructing on-line iOS classes, the adventure from their first 3 iOS books, in addition to their on-line guideline and unfastened on-line discussion board at XcelMe.com to create an exceptional education book.

Many humans have a tricky time believing they could discover ways to write iOS apps or simply staying stimulated via studying the method. This publication, besides the loose, dwell on-line education periods, is helping scholars remain prompted and conquer hindrances whereas they discover ways to be nice iOS developers.

What you’ll learn

  • Using fast Playgrounds to profit iOS improvement quickly
  • What is item orientated Programming
  • What are speedy sessions, houses, and functions
  • Proper person interface and person event design
  • Swift information forms: integers, floats, strings, booleans
  • How to take advantage of rapid info collections: arrays and dictionaries
  • Boolean common sense, evaluating facts, and circulation control
  • Writing iPhone and Watch apps from scratch
  • Introduction to HealthKit

Who this e-book is for

This booklet is for a person who desires to discover ways to advance apps for the Mac, iPhone, and iPad, and Watch utilizing the rapid programming language. No prior programming event is critical.

Table of Contents

Ch. 1: turning into a very good iOS Developer

Ch. 2: Programming fundamentals

Ch. three: It’s All concerning the Data

Ch. four: Making judgements, software stream, and App Design

Ch. five: Object-Oriented Programming with Swift

Ch. 6: studying quick and Xcode

Ch. 7: fast sessions, items, and Methods

Ch. eight: Programming fundamentals in Swift

Ch. nine: evaluating Data

Ch. 10: growing consumer Interfaces

Ch. eleven: Storing Information

Ch. 12: Protocols and Delegates

Ch. thirteen: Introducing the Xcode Debugger

Ch. 14: A rapid iPhone App

Ch. 15: constructing an Apple Watch App

Ch. sixteen: constructing a HealthKit App

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17 18 CHAPTER 2: Programming Basics Now that you have installed Xcode, let’s begin writing a Swift playground. Launch Xcode and click “Get started with a playground,” as shown in Figure 2-6. Figure 2-6. Creating your first Swift playground CHAPTER 2: Programming Basics Using Xcode 7 After launching Xcode, follow these steps: 1. Let’s name the playground HelloWorld and select iOS as the platform, as shown in Figure 2-7. Then click Next and save your app in the folder of your choice. Figure 2-7. Name your playground HelloWorld and select iOS as the platform Xcode does a lot of work for you and creates a playground file with code ready for you to use.

Each operand can be evaluated independently with a TRUE or FALSE. For an AND operation to yield a TRUE result, both sides of the AND have to be TRUE. In the first example, the teenager has to clean his or her room AND have the dishes done. If either one of the conditions is FALSE, the result is FALSE—no movies for the teenager. For an OR operation to yield a TRUE result, only one operand has to be TRUE, or both conditions can be TRUE to yield a TRUE result. In the second example, just a clean bedroom would result in the ability to go to the movies.

These devices don’t need hugs. There is a downside to being a developer: you have to think of all the possible outcomes when it comes to your apps. Many students love having this kind of control. They enjoy focusing on the many details of their apps; however, it can be frustrating having to handle so many details. As mentioned in the introduction to this book, there is a price to pay for developing apps, and that price is time. The more time you spend developing and debugging, the better you will get with all the details, and the better your apps will perform.

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