Pro iPhone Development with SwiftUI : Design and Manage Top Quality Apps, 3rd Edition

You know the basics. Your Swift code flows with logic and ease. This isn't your first time building a workable app for iOS platforms. Now, it's time to build a magical app for iOS platforms! Move beyond what you mastered in the best-selling Beginning iPhone Development with SwiftUI . Debug Swift code, use multi-threaded programming with Grand Central Dispatch, pass data between view controllers, and design apps functional in multiple languages. Not only will your apps run like magic under the hood but, with the new standard of SwiftUI, you'll add animations, scaling, multiscreen support, and so much more to your interfaces. You’ll also see how to integrate audio and video files in your apps, access the camera and send pictures to and from the Photos library, use location services to pinpoint your user's position on a map, and display web pages in-app. Don't just stop at flawless code and stickily engaging interfaces. Give your apps a mind with Apple’s advanced frameworks for machine learning, facial and text recognition, and augmented reality. Pro iPhone Development with SwiftUI enlightens you to the world of rich design, solid code, and thoughtful processing needed to make apps that wow. Integrate all these extraordinary iOS features and embrace the world of possibilities in the Swift programming language with SwiftUI. What You Will Learn Save and retrieve data when apps close or get pushed in the background Recognize speech with Apple’s advanced frameworks Create augmented reality apps Understand spoken commands with Siri Who This Book is For Aspiring iOS app developers familiar with the Apple Swift programming language and/or the iOS SDK, but ready to move to the next level. Table of Contents About the Author About the Technical Reviewer Chapter 1: Organizing Code Using the // MARK: Comment Using Files and Folders Use Code Snippets Creating Custom Code Snippets Editing and Deleting Custom Code Snippets Use View Modifiers Summary Chapter 2: Debugging Code Simple Debugging Techniques Using the Xcode Debugger Using Breakpoints Stepping Through Code Managing Breakpoints Using Symbolic Breakpoints Using Conditional Breakpoints Summary Chapter 3: Understanding Closures Closures with Multiple Parameters Understanding Value Capturing Using Closures like Data Using Trailing Closures Passing Parameters to a Trailing Closure Passing Parameters and Returning a Value from a Trailing Closure Summary Chapter 4: Multithreaded Programming Using Grand Central Dispatch Understanding Threads Using Grand Central Dispatch Using Dispatch Groups Summary Chapter 5: Understanding Concurrency Concurrency with Async/Await Using Concurrency with User Interfaces Summary Chapter 6: Understanding Data Persistence Storing Preferences in UserDefaults Reading and Writing to Files Using Core Data Creating a Data Model File Adding Core Data to an Existing Project Summary Chapter 7: Sharing Data Between Structures Sharing Data with Bindings Sharing Data with StateObject and ObservedObject Sharing Data with EnvironmentObject Summary Chapter 8: Translating with Localization Creating a Localization File Defining Multiple Previews Using a LocalizableStringKey Using String Interpolation with Localizable Strings Formatting Numbers and Dates Using Pseudolanguages Summary Chapter 9: Adding Search to an App Adding a Search Bar to a List View Changing the Placeholder Text in the Search Bar Making the Search Bar Visible Initially Adding Suggestions to the Search Bar Summary Chapter 10: Detecting Motion and Orientation Understanding Core Motion Detecting Acceleration Detecting Rotation with the Gyroscope Detecting Magnetic Fields Detecting Device Motion Data Summary Chapter 11: Using Location and Maps Using MapKit Defining Accuracy Defining a Distance Filter Requesting a Location Retrieving Location Data Requesting Authorization Adding a Map Marker Adding a Map Pin Adding a Map Annotation Summary Chapter 12: Playing Audio and Video Playing an Audio File Playing Video Overlaying Text on Video Summary Chapter 13: Using Speech Converting Speech to Text Recognizing Spoken Commands Turning Text to Speech Summary Chapter 14: Integrating SwiftUI with UIKit Displaying a PDF File Displaying a Website Integrating SwiftUI into Storyboard Projects Summary Chapter 15: Using the Photo Library and the Camera Setting Privacy Settings Designing a Simple User Interface Creating an ImagePicker Testing the App Summary Chapter 16: Using Facial Recognition Recognizing Faces in Pictures Highlighting Faces in an Image Summary Chapter 17: Using Machine Learning Understanding Machine Learning Finding a Core ML Model Image Recognition Detecting Languages Summary Chapter 18: Handling Errors Using the Guard Statement Using the Do-Try-Catch Statement Using try? and try! Summary Index Pro iPhone Development with SwiftUI enlightens you to the world of rich design, solid code, and thoughtful processing needed to make apps that wow. Integrate all these extraordinary iOS features and embrace the world of possibilities in the Swift programming language with SwiftUI. -- Edited summary from book