Published: November 2018
ISBN (Digital): 978-1-4533-9590-5

Learn to Program Using Swift for iOS Development

Version 3.0
By John Gallaugher

Included Supplements

Key Features

Introduces core programming concepts.
Covers core iOS concepts.
Encourages self-directed learning for a variety of classroom types.
Continuous high-value annual updates, including adding new exercises and additional content to keep this book up-to-date, fresh and exciting.
Customizable.

Gallaugher’s textbook breaks down the learning barriers for app creation with a hands-on, video-centered approach. Learn to Program is intended to excite new-to-programming students in non-technical programs of study and will have them building fully functional apps by mid-semester. Students will gain an introduction to core programming and iOS concepts. Version 3.0 has been updated for Swift 4.2, Xcode 10, and iPhone X-series form factor.

New in This Version

New and improved apps that provide learning examples that bring students from zero-programming background through Swift programming fundamentals and core iOS development techniques. These include the SWAPI app, showing how to load paged JSON data while scrolling, and the Snacktacular app, which is a full-blown social app similar to Yelp and TripAdvisor, supporting Muti-user shared login via Google ID/Password, data that is saved and pushed out to all users in real-time using Google’s Cloud Firestore service, location plotting on a Map, image saving and sharing, and more. In a single class your students can go from zero to full-stack developers!
Even more Reference content, including animated .gifs, improved graphics, and links to code that can be copied and pasted from GitHub’s .gist.
A section introducing Git and GitHub, as integrated into Xcode for source control.
Updated and expanded lecture videos that account for changes in Swift 4.2 (especially in generating random numbers), Xcode 10, and a continuation of the earlier version’s work in prepping apps for the form factor introduced beginning with iPhone X.
Additional exercises, roughly half of which have video solutions to power even greater student learning and to help faculty provide a better learning environment.
An updated and improved set of instructor slides, useful for faculty regardless of format: flipped classroom, blended, or traditional lecture.
Expanded and refined student quizzes at the end of each chapter, plus mid-term tests and final exams, along with answer keys and suggested grading rubrics.
Continued access to “beta” content that includes updates, corrections, additional videos, and even more learning resources, posted while they are being developed.

1.1 The Setup: Downloading Xcode and Registering for Your Apple Developer ID

Chapter 2: The “You Are Awesome” App

2.1 Get Familiar with Xcode

2.2 Source Control with Xcode and GitHub

2.3 Buttons, Labels, and Linking Interface Elements to Code

2.4 A First Look at Finding and Correcting Errors: Fixing Typos, Using Refactor > Rename, and Finding Clues if an App Crashes

2.5 Solving the Two-Button Challenge and Changing a Label’s UIColor

2.6 Conditional Logic with If Statements

2.7 Constants with the let Statement

2.8 Xcode Playgrounds, Variables, and Constants

2.9 An Introduction to Arrays

2.10 Arrays in Our App, Basic Operators, Compound Operators, Comparison Operators, Scope, and Intro to Debugging in Xcode

2.11 Types

2.12 Random Numbers, Random Elements, and Shuffling Arrays

2.13 While and Repeat-While Loops, Creating Non Repeating Random Numbers, and Printing Using String Interpolation, Concatenation, and Multiple Arguments

2.14 For-In Loops, Ranges and Stride

2.15 Adding an Image—UIImageView and the Asset Catalog, Plus an Intro to Auto Layout and Constraints

2.16 Multiple Random Images, Hide and Show an Image

2.17 Playing Sounds with AVAudioPlayer, and Error Handling with If Let and Do Catch

2.18 Bring on Da Func: Defining Functions, Creating Functions with Input Parameters, and Creating Functions with Return Values

2.19 More with Functions: Removing Argument Names in Function Calls, Creating Argument Names that are Different from Parameter Names, and Creating Mutable Parameters with inout

2.20 Switch it Up! Adding a Switch Control to Stop Playing Sounds, and Getting Boolish with Complex Conditionals

2.21 Shortcuts for Creating iOS Icons and Installing Them in Your Project

2.22 Installing Your App on an iOS Device

Chapter 3: The "Word Garden" App

3.1 Demonstrating the Completed App, Creating the User Interface, Intro to Stack Views

3.2 Updating the Game's UI: Working with the Keyboard, Dealing with the firstResponder, and Handling Actions in a UITextField

3.3 The .last String Property and an Intro to Optionals (Values that Might be Nil)

3.4 More with Strings: Searching, Comparing, Replacing, Changing Letter Case, and Iterating Through Letters

3.5 Finishing the Word Garden App

Chapter 4: The "Bip the Guy" App

4.1 Creating the UI for Bip the Guy, Intro to Stack Views, and the Tap Gesture Recognizer

4.2 UIView Animations and Closures

4.3 Adding Sound by Reusing Our PlaySound Function

4.4 A Brief Intro to Classes, Protocols, and Delegates as We Learn to Use UIImagePickerController to Access the Photo Library and Camera

4.5 Adding an App Icon and Building and Installing on an iPhone

Chapter 5: The "To Do List" App

5.1 Demonstration of To Do List App and Adding a Table View to the View Controller

5.2 Adding Navigation Controllers, Segues, Bar Button Items, and Enabling the Cancel Button

5.3 Passing Data from a Table View with prepare(for segue:) and Enabling Save for Edited and New Table View Cells Using an Unwind Function

5.4 Moving and Deleting Cells in a Table View

5.5 Interface Polish—Show Keyboard with BecomeFirstResponder and Disable Buttons When Text Field is Empty

5.6 Adding a Notes Text View and a Subtitle Cell

5.7 Saving Data with UserDefaults, and Setting the Navigation Item Title Bar

Chapter 6: The "ConvertIt" App

6.1 Demonstrating the ConvertIt App

6.2 Creating the ConvertIt UI and Working with UIPickerView

6.3 String Manipulation with the Components Method

6.4 Simplifying Complex Conditionals with Switch Case Statements

6.5 Improved Conditionals and Optional Handling with Guard and Guard Let, Segmented Controls, String Format Specifiers, and More Debugging in Xcode

6.6 Find and Replace in Strings with ReplacingOccurances, Plus UI Cleanup, and Detecting Text Clear

6.7 Creating Custom Structures and Arrays of Structures

6.8 Closures, An Array with a Formula Property, and Finishing the ConvertIt App

Chapter 7: The "WeatherGift" App

7.1 Demonstrating the Completed WeatherGift App

7.2 Setting Up the Initial User Interface

7.3 Introducing the UIPageViewController

7.4 Adding the Page Indicator "Dots"—UIPageControl

7.5 Programmatically Adding a Button to UIPageViewController + Bonus Video: Enabling UIPageControl Taps

7.6 To TableView and Back with Segues

7.7 Enabling Move and Delete on TableView and Freezing the First Row

7.8 Installing CocoaPods for Google Places, Alamofire, and SwiftyJSON

7.9 Adding a New Location to the Table View Using GooglePlaces Autocomplete

7.10 Creating the WeatherLocation Struct

7.11 Challenge Solution Appending Struct Element to Array

7.12 Getting Latitude and Longitude from GooglePlaces

7.13 Getting the User’s Latitude and Longitude Coordinates Using CoreLocation

7.14 Finding Place Information for a Location Using Reverse Geocoding

7.15 Using Alamofire to Get Data from the Dark Sky API

7.16 Getting the Current Temperature Using SwiftyJSON

7.17 Adding Images Matching Dark Sky Weather Data

7.18 Working with Dates, Times, Date Formats, and Time Zones

7.19 Adding Date and Time in Our App and Formatting it for the Correct Time Zone

7.20 Setting the UI for Daily Forecast TableView with a Custom Table View Cell

7.21 JSON arrays and Custom Cells: Creating and Populating a TableView with Daily Weather Forecasts

7.22 Performance Efficiency via Globals, Private Objects, and More Powerful Extensions

7.23 An Introduction to Collection Views—Creating a Collection View UI to Hold Hourly Weather Forecasts

7.24 Getting Hourly Weather Forecast Data and Populating the Collection View

7.25 Class Inheritance, Subclassing, and Using Codable to Save Custom Classes in User Defaults

7.26 Adding a Generic Alert and an Alert that Brings the User to App Settings

7.27 Finishing WeatherGift: Adding an "About..." Screen

Chapter 8: The "SWAPI Species" App

8.1 Navigation Item Title and Activity Indicator Views

8.2 Paged JSON and Recursive Functions

Chapter 9: The "Snacktacular" App

9.1 Demonstrating the Completed Snacktacular App + Start Project Files

9.2 UI tour + Creating the Spot and Spots classes

9.3 Creating a Firebase App and Using Firebase to Implement Google Sign In

9.4 Adding Google Place Autocomplete

9.5 Implementing the Cloud Firestore Database and Saving Data—MVC-Style

9.6 Loading Cloud Firestore Data: Using a Real-Time Listener to Immediately Show Any Updates

9.7 Working with MapKit—Adding a MapView and Showing a MapView Annotation

9.8 Plotting the Device Location on a Map

9.9 Sorting

9.10 Calculating Distance between Locations and Sorting Closest to Farthest

9.11 Refining the User Interface, Hiding the Toolbar and Bar Button Items, Setting the Status Bar, UIView Frames and More

9.12 Table View Controller with Static Cells—Setting up the Review UI

9.13 Outlet Collections, Tags, and Property Observers—Enabling Click-a-Star Ratings

9.14 Creating the Review Class and Saving a Collection Inside a Document

9.15 Creating the Reviews Class Along with a Listener to Load All Review Documents for a Given Spot

9.16 The Photo and Photos Classes, and Creating an Action Sheet Alert

9.17 Setting Up the Image Picker Controller to Add Photos and Images to Our App

9.18 Saving an Image to Firestore Storage with a Reference in Cloud Firestore

9.19 Loading in Photos from Firebase Storage

9.20 Preventing Cloud Firestore Errors from Saving a Collection to a Non-Existent Document

9.21 Updating the Review User Interface

9.22 Deleting a Document in Cloud Firestore

9.23 Calculating averageRating and numberOfReviews

9.24 Real-Time Updates to averageRating on the SpotDetailViewController

9.25 Functional Programming with Reduce, forEach, map, and filter

9.26 Adding a Collection of User Profiles

9.27 Showing a List of Users

9.28 Snacktacular Displaying Images in a tableView with SDWebImage

Chapter 10: Additional Topics

10.1 Link to the Latest Content

Other Supplements

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John Gallaugher

Boston College

John Gallaugher (PhD Syracuse University School of Management) is the founder of the Boston College TechTrek field study programs, and as an advisor to multiple successful student entrepreneurs, John has had unprecedented access to the world’s leading technology and tech investment firms. An award-winning educator and author, John has been named a "Distinguished Educator" by Apple Inc., a "Most Popular Professor" by Bloomberg Businessweek, and “Guru to Grads” by Entrepreneur Magazine. He has also received the Boston College Trzaska Faculty Leadership Award, the all-university Boston College Teaching Award, the Carroll School of Management Teaching Award, and the student newspaper’s Momentum Award for campus impact. His bestselling textbook Information Systems: A Manager's Guide to Harnessing Technology has been used at over 450 universities worldwide, and has twice won the Textbook and Academic Authors' Association "Texty" award for excellence. John has taught on five continents and has led field study experiences in Seattle, San Francisco/Silicon Valley, Boston, New York, Dublin, Ghana, and Sydney. John’s research has been published in leading journals including the MIS Quarterly and Harvard Business Review, and he has consulted for leading organizations including Apple Inc., Accenture, ING, Partners Healthcare, State Street, and the U.S. Information Agency, among others. John has worked extensively with student entrepreneurs and has seen several former students gain admittance to elite accelerators (Y-Combinator, TechStars, MassChallenge), raise capital, and build thriving businesses, with some garnering unicorn ($1 billion plus) valuations. His comments on Business and Technology have appeared in several media outlets, including The New York Times, BusinessWeek, The Associated Press, National Public Radio, and Wired. One of the rare academics who teaches managerial as well as software and hardware programming courses, you can find hundreds of "flipped learning" and project videos at: YouTube.com/profgallaugher. John holds both a BA in Computer Science and an MBA from Boston College, and a PhD in Information Systems from the Syracuse University School of Management. He occasionally publishes on Substack (http://profgallaugher.substack.com) and is also active on social media—having left X for Threads: @john.gallaugher.

Additions & Errata

Building apps is a tricky process—involving several components from various developers. Three changes have happened since v3.0 was published. The changes are easy to deal with, and a note to anyone using the text, including step-by-step instructions, is now at: http://bit.ly/Swift-Book-v3-Updates.