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iOS 10 Swift Programming Cookbook

Solutions and Examples for iOS Apps

By Vandad Nahavandipoor

Publisher: O'Reilly Media

Release Date: December 2016

Pages: 456

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Ready to build truly stunning apps for iPhone, iPad, and Apple Watch? This cookbook—written exclusively in Swift 3—provides more than 120 proven solutions for tackling the latest features in iOS 10 and watchOS 3. With these code-rich recipes, you’ll learn how to build dynamic voice interfaces with Siri and messaging apps with iMessage. You’ll also learn how to use interactive maps, multitasking functionality, the UI Testing framework, and many other features.

This cookbook is ideal for intermediate and advanced iOS developers looking to work with the newest versions of Apple’s mobile operating systems. Each recipe includes reusable code that's available on GitHub, so you can put it to work right away.

Let users interact with your apps and services through Siri
Write your own iMessage extensions that allow added interactivity
Work with features in Swift 3, Xcode 8, and Interface Builder
Build standalone apps for Apple Watch
Create vibrant user interfaces with new UIKit features
Use Spotlight APIs to make your app content searchable
Add Picture in Picture playback functionality to iPad apps
Take advantage of MapKit and Core Location updates
Use Apple’s new UI Testing framework
Liven up your UI with gravity and turbulence fields

Chapter 1 iMessage Stickers and Apps
1. 1.1. Setting Up a Sticker Pack Application
2. 1.2. Adjusting Sticker Sizes
3. 1.3. Building a Full-Fledged iMessage Application
4. 1.4. Adding an iMessage App Extension to an Existing App
5. 1.5. Utilizing an Expanded View in a Sticker Pack App
6. 1.6. Appending Rich Information to Stickers
7. 1.7. Creating Interactive Conversations with iMessage Apps
Chapter 2 SiriKit
1. 2.1. Setting Up Your Project for Siri
2. 2.2. Defining an Intent Handler
3. 2.3. Resolving Ambiguity in an Intent
4. 2.4. Reporting Progress for Resolving an Intent
5. 2.5. Handling an Intent
Chapter 3 Measurements and Units
1. 3.1. Converting Between and Working with Length Units
2. 3.2. Working with and Switching Between Angle Units
3. 3.3. Representing and Converting Between Durations of Time
4. 3.4. Using and Working with Frequency Units
5. 3.5. Working with and Using Power Units
6. 3.6. Representing and Comparing Temperature Units
7. 3.7. Working with and Converting Volume Units
Chapter 4 Core Data
1. 4.1. Designing Your Database Scheme
2. 4.2. Writing Data to the Database
3. 4.3. Reading Data from the Database
4. 4.4. Searching for Data in the Database
5. 4.5. Performing Background Tasks with Core Data
Chapter 5 Swift 3.0, Xcode 8, and Interface Builder
1. 5.1. Handling Errors in Swift
2. 5.2. Specifying Preconditions for Methods
3. 5.3. Ensuring the Execution of Code Blocks Before Exiting Methods
4. 5.4. Checking for API Availability
5. 5.5. Categorizing and Downloading Assets to Get Smaller Binaries
6. 5.6. Exporting Device-Specific Binaries
7. 5.7. Linking Separate Storyboards Together
8. 5.8. Adding Multiple Buttons to the Navigation Bar
9. 5.9. Optimizing Your Swift Code
10. 5.10. Showing the Header View of Your Swift Classes
11. 5.11. Creating Your Own Set Types
12. 5.12. Conditionally Extending a Type
13. 5.13. Building Equality Functionality into Your Own Types
14. 5.14. Looping Conditionally Through a Collection
15. 5.15. Designing Interactive Interface Objects in Playgrounds
16. 5.16. Grouping Switch Statement Cases Together
17. 5.17. Bundling and Reading Data in Your Apps
Chapter 6 The User Interface
1. 6.1. Animating Views
2. 6.2. Attaching Live Views to Playgrounds
3. 6.3. Running Playgrounds as Interactive and Continuous Apps
4. 6.4. Arranging Your Components Horizontally or Vertically
5. 6.5. Customizing Stack Views for Different Screen Sizes
6. 6.6. Creating Anchored Constraints in Code
7. 6.7. Allowing Users to Enter Text in Response to Local and Remote Notifications
8. 6.8. Dealing with Stacked Views in Code
9. 6.9. Showing Web Content in Safari View Controller
10. 6.10. Laying Out Text-Based Content on Your Views
11. 6.11. Improving Touch Rates for Smoother UI Interactions
12. 6.12. Supporting Right-to-Left Languages
13. 6.13. Associating Keyboard Shortcuts with View Controllers
14. 6.14. Recording the Screen and Sharing the Video
Chapter 7 Apple Watch
1. 7.1. Downloading Files onto the Apple Watch
2. 7.2. Noticing Changes in Pairing State Between the iOS and Watch Apps
3. 7.3. Transferring Small Pieces of Data to and from the Watch
4. 7.4. Transferring Dictionaries in Queues to and from the Watch
5. 7.5. Transferring Files to and from the Watch
6. 7.6. Communicating Interactively Between iOS and watchOS
7. 7.7. Setting Up Apple Watch for Custom Complications
8. 7.8. Constructing Small Complications with Text and Images
9. 7.9. Displaying Time Offsets in Complications
10. 7.10. Displaying Dates in Complications
11. 7.11. Displaying Times in Complications
12. 7.12. Displaying Time Intervals in Complications
13. 7.13. Recording Audio in Your Watch App
14. 7.14. Playing Local and Remote Audio and Video in Your Watch App
Chapter 8 Contacts
1. 8.1. Creating Contacts
2. 8.2. Searching for Contacts
3. 8.3. Updating Contacts
4. 8.4. Deleting Contacts
5. 8.5. Formatting Contact Data
6. 8.6. Picking Contacts with the Prebuilt System UI
7. 8.7. Creating Contacts with a Prebuilt System UI
8. 8.8. Displaying Contacts with a Prebuilt System UI
Chapter 9 Extensions
1. 9.1. Creating Safari Content Blockers
2. 9.2. Creating Shared Links for Safari
3. 9.3. Maintaining Your App’s Indexed Content
Chapter 10 Web and Search
1. 10.1. Making Your App’s Content Searchable
2. 10.2. Making User Activities Searchable
3. 10.3. Deleting Your App’s Searchable Content
Chapter 11 Multitasking
1. 11.1. Supporting Split Views
2. 11.2. Adding Picture in Picture Playback Functionality
3. 11.3. Handling Low Power Mode and Providing Alternatives
Chapter 12 Maps and Location
1. 12.1. Displaying a Specific Location on the Map
2. 12.2. Requesting the User’s Location a Single Time
3. 12.3. Requesting the User’s Location in the Background
4. 12.4. Customizing the Tint Color of Pins on the Map
5. 12.5. Providing Detailed Pin Information with Custom Views
6. 12.6. Displaying Traffic, Scale, and Compass Indicators on the Map
7. 12.7. Providing an ETA for Transit Transport Type
8. 12.8. Launching the iOS Maps App in Transit Mode
9. 12.9. Showing Maps in Flyover Mode
Chapter 13 UI Testing
1. 13.1. Preparing Your Project for UI Testing
2. 13.2. Automating UI Test Scripts
3. 13.3. Testing Text Fields, Buttons, and Labels
4. 13.4. Finding UI Components
5. 13.5. Long-Pressing on UI Elements
6. 13.6. Typing Inside Text Fields
7. 13.7. Swiping on UI Elements
8. 13.8. Tapping UI Elements
Chapter 14 Core Motion
1. 14.1. Querying Pace and Cadence Information
2. 14.2. Recording and Reading Accelerometer Data
Chapter 15 Security
1. 15.1. Protecting Your Network Connections with ATS
2. 15.2. Binding Keychain Items to Passcode and Touch ID
3. 15.3. Opening URLs Safely
4. 15.4. Authenticating the User with Touch ID and Timeout
Chapter 16 Multimedia
1. 16.1. Reading Out Text with the Default Siri Alex Voice
2. 16.2. Downloading and Preparing Remote Media for Playback
3. 16.3. Enabling Spoken Audio Sessions
Chapter 17 UI Dynamics
1. 17.1. Adding a Radial Gravity Field to Your UI
2. 17.2. Creating a Linear Gravity Field on Your UI
3. 17.3. Creating Turbulence Effects with Animations
4. 17.4. Adding Animated Noise Effects to Your UI
5. 17.5. Creating a Magnetic Effect Between UI Components
6. 17.6. Designing a Velocity Field on Your UI
7. 17.7. Handling Collisions Between Nonrectangular Views

Books & Videos

iOS 10 Swift Programming Cookbook

Solutions and Examples for iOS Apps

Read on O'Reilly Online Learning with a 10-day trial

Table of Contents

Chapter 1 iMessage Stickers and Apps

1.1. Setting Up a Sticker Pack Application

1.2. Adjusting Sticker Sizes

1.3. Building a Full-Fledged iMessage Application

1.4. Adding an iMessage App Extension to an Existing App

1.5. Utilizing an Expanded View in a Sticker Pack App

1.6. Appending Rich Information to Stickers

1.7. Creating Interactive Conversations with iMessage Apps

Chapter 2 SiriKit

2.1. Setting Up Your Project for Siri

2.2. Defining an Intent Handler

2.3. Resolving Ambiguity in an Intent

2.4. Reporting Progress for Resolving an Intent

2.5. Handling an Intent

Chapter 3 Measurements and Units

3.1. Converting Between and Working with Length Units

3.2. Working with and Switching Between Angle Units

3.3. Representing and Converting Between Durations of Time

3.4. Using and Working with Frequency Units

3.5. Working with and Using Power Units

3.6. Representing and Comparing Temperature Units

3.7. Working with and Converting Volume Units

Chapter 4 Core Data

4.1. Designing Your Database Scheme

4.2. Writing Data to the Database

4.3. Reading Data from the Database

4.4. Searching for Data in the Database

4.5. Performing Background Tasks with Core Data

Chapter 5 Swift 3.0, Xcode 8, and Interface Builder

5.1. Handling Errors in Swift

5.2. Specifying Preconditions for Methods

5.3. Ensuring the Execution of Code Blocks Before Exiting Methods

5.4. Checking for API Availability

5.5. Categorizing and Downloading Assets to Get Smaller Binaries

5.6. Exporting Device-Specific Binaries

5.7. Linking Separate Storyboards Together

5.8. Adding Multiple Buttons to the Navigation Bar

5.9. Optimizing Your Swift Code

5.10. Showing the Header View of Your Swift Classes

5.11. Creating Your Own Set Types

5.12. Conditionally Extending a Type

5.13. Building Equality Functionality into Your Own Types

5.14. Looping Conditionally Through a Collection

5.15. Designing Interactive Interface Objects in Playgrounds

5.16. Grouping Switch Statement Cases Together

5.17. Bundling and Reading Data in Your Apps

Chapter 6 The User Interface

6.1. Animating Views

6.2. Attaching Live Views to Playgrounds

6.3. Running Playgrounds as Interactive and Continuous Apps

6.4. Arranging Your Components Horizontally or Vertically

6.5. Customizing Stack Views for Different Screen Sizes

6.6. Creating Anchored Constraints in Code

6.7. Allowing Users to Enter Text in Response to Local and Remote Notifications

6.8. Dealing with Stacked Views in Code

6.9. Showing Web Content in Safari View Controller

6.10. Laying Out Text-Based Content on Your Views

6.11. Improving Touch Rates for Smoother UI Interactions

6.12. Supporting Right-to-Left Languages

6.13. Associating Keyboard Shortcuts with View Controllers

6.14. Recording the Screen and Sharing the Video

Chapter 7 Apple Watch

7.1. Downloading Files onto the Apple Watch

7.2. Noticing Changes in Pairing State Between the iOS and Watch Apps

7.3. Transferring Small Pieces of Data to and from the Watch

7.4. Transferring Dictionaries in Queues to and from the Watch

7.5. Transferring Files to and from the Watch

7.6. Communicating Interactively Between iOS and watchOS

7.7. Setting Up Apple Watch for Custom Complications

7.8. Constructing Small Complications with Text and Images

7.9. Displaying Time Offsets in Complications

7.10. Displaying Dates in Complications

7.11. Displaying Times in Complications

7.12. Displaying Time Intervals in Complications

7.13. Recording Audio in Your Watch App