iOS 15 Programming Fundamentals with Swift: Swift, Xcode, and Cocoa Basics
- Length: 760 pages
- Edition: 1
- Language: English
- Publisher: O'Reilly Media
- Publication Date: 2021-11-02
- ISBN-10: 1098118502
- ISBN-13: 9781098118501
- Sales Rank: #190395 (See Top 100 Books)
Move into iOS development by getting a firm grasp of its fundamentals, including the Xcode 13 IDE, Cocoa Touch, and Swift 5.5, the latest version of Apple’s acclaimed programming language. With this thoroughly updated guide, you’ll learn the Swift language, understand Apple’s Xcode development tools, and discover the Cocoa framework.
- Explore Swift’s object-oriented concepts
- Become familiar with built-in Swift types
- Dive deep into Swift objects, protocols, and generics
- Tour the lifecycle of an Xcode project
- Learn how nibs are loaded
- Understand Cocoa’s event-driven design
- Communicate with C and Objective-C
In this edition, catch up on the latest iOS programming features:
- Structured concurrency: async/await, tasks, and actors
- Swift native sort descriptors, formatters, and attributed strings
- Lazy locals, throwing getters, and property wrapper parameters
- Enhanced collections with the Swift Algorithms and Collections packages
- Xcode tweaks: column breakpoints, package collections, and Info.plist build settings
- Improvements in Git integration, localization, unit testing, and documentation
- And more!
Preface The Scope of This Book From the Preface to the First Edition (Programming iOS 4) Versions Acknowledgments Conventions Used in This Book Using Code Examples O’Reilly Online Learning How to Contact Us I. Language 1. The Architecture of Swift Ground of Being Everything Is an Object? Three Flavors of Object Type Variables Functions The Structure of a Swift File Scope and Lifetime Object Members Namespaces Modules Instances Why Instances? The Keyword self Privacy Design 2. Functions Function Parameters and Return Value Void Return Type and Parameters Function Signature External Parameter Names Overloading Default Parameter Values Variadic Parameters Ignored Parameters Modifiable Parameters Calling Objective-C with Modifiable Parameters Called by Objective-C with Modifiable Parameters Reference Type Modifiable Parameters Function in Function Recursion Function as Value Anonymous Functions Using Anonymous Functions Inline Anonymous Function Abbreviated Syntax Define-and-Call Closures How Closures Improve Code Function Returning Function Closure Setting a Captured Variable Closure Preserving Captured Environment Escaping Closures Capture Lists Curried Functions Function References and Selectors Function Reference Scope Selectors 3. Variables and Simple Types Variable Scope and Lifetime Variable Declaration Computed Variable Initialization Computed Variables Computed Properties Property Wrappers Setter Observers Lazy Initialization Singleton Lazy Initialization of Instance Properties Built-In Simple Types Bool Numbers String Character and String Index Range Tuple Optional 4. Object Types Object Type Declarations and Features Initializers Properties Methods Subscripts Nested Object Types Enums Raw Values Associated Values Enum Case Iteration Enum Initializers Enum Properties Enum Methods Why Enums? Structs Struct Initializers Struct Properties Struct Methods Classes Value Types and Reference Types Subclass and Superclass Class Initializers Class Deinitializer Class Properties Static/Class Members Polymorphism Casting Casting Down Type Testing and Casting Down Safely Type Testing and Casting Optionals Bridging to Objective-C Type References From Instance to Type From self to Type Type as Value Summary of Type Terminology Comparing Types Protocols Why Protocols? Adopting a Library Protocol Protocol Type Testing and Casting Declaring a Protocol Protocol Composition Class Protocols Optional Protocol Members Implicitly Required Initializers Expressible by Literal Generics Generic Declarations Type Constraints Explicit Specialization Generic Types and Covariance Associated Type Chains Where Clauses Extensions Extending Protocols Extending Generics Umbrella Types Any AnyObject AnyClass Collection Types Array Dictionary Set OrderedSet and OrderedDictionary 5. Flow Control and More Flow Control Branching Loops Jumping Privacy Private and Fileprivate Public and Open Privacy Rules Introspection Operators Memory Management Memory Management of Reference Types Exclusive Access to Value Types Miscellaneous Swift Language Features Synthesized Protocol Implementations Key Paths Instance as Function Dynamic Membership Property Wrappers Custom String Interpolation Reverse Generics Result Builders Result 6. Structured Concurrency Multithreading The Main Thread Background Threads Asynchronous Code Structured Concurrency Syntax async/await Async Contexts Tasks Wrapping a Completion Handler Multiple Concurrent Tasks async let Task Groups Asynchronous Sequences Built-in Asynchronous Sequences Making an Asynchronous Sequence Asynchronous Sequence Methods Actors Actor Isolation Actor Serialization The Main Actor Context Switching Implicit Context Switching Explicit Context Switching More About Tasks Task Priority The Current Task Sleeping Yielding Cancellation More About Actors Reentrancy The Keyword nonisolated The Keyword isolated Global Actors Sendable II. IDE 7. Anatomy of an Xcode Project New Project The Project Window The Navigator Pane The Inspector Pane The Editor Project File and Dependents Contents of the Project Folder Groups The Target Build Phases Build Settings Configurations Schemes and Destinations From Project to Built App Build Settings Property List Settings Nib Files Resources Code Files Frameworks and SDKs Swift Packages The App Launch Process The Entry Point How an App Gets Going App Without a Storyboard Renaming Parts of a Project 8. Nib Files The Nib Editor Interface Document Outline Canvas Inspectors Loading a Nib Loading a View Controller Nib Loading a Main View Nib Loading a View Nib Manually Connections Outlets The Nib Owner Automatically Configured Nibs Misconfigured Outlets Deleting an Outlet More Ways to Create Outlets Outlet Collections Action Connections More Ways to Create Actions Misconfigured Actions Connections Between Nibs — Not! Additional Configuration of Nib-Based Instances 9. Documentation The Documentation Window Class Documentation Pages Quick Help Documenting Frameworks and Packages Symbol Declarations Header Files Sample Code Internet Resources 10. Life Cycle of a Project Environmental Dependencies Conditional Compilation Build Action Permissible Runtime Environment Backward Compatibility Device Type Arguments and Environment Variables Version Control Editing and Navigating Your Code Text Editing Preferences Multiple Selection Code Completion and Placeholders Snippets Refactoring and Code Actions Fix-it and Live Syntax Checking Navigation Finding Running in the Simulator Debugging Caveman Debugging The Xcode Debugger Testing Unit Tests Interface Tests Test Plans Massaging the Report Clean Running on a Device Obtaining a Developer Program Membership Signing an App Automatic Signing Manual Signing Running the App Managing Development Certificates and Devices Profiling Gauges Memory Debugging Instruments Localization Creating Localized Content Testing Localization Distribution Making an Archive The Distribution Certificate The Distribution Profile Distribution for Testing Final App Preparations Screenshots and Video Previews Property List Settings Submission to the App Store III. Cocoa 11. Cocoa Classes Subclassing Categories and Extensions How Swift Uses Extensions How You Use Extensions How Cocoa Uses Categories Protocols Optional Members Informal Protocols Some Foundation Classes NSRange NSNotFound NSString and Friends NSDate and Friends NSNumber NSValue NSData NSMeasurement and Friends Equality, Hashability, and Comparison NSArray and NSMutableArray NSDictionary and NSMutableDictionary NSSet and Friends NSIndexSet NSNull Immutable and Mutable Property Lists Codable Accessors, Properties, and Key–Value Coding Swift Accessors Key–Value Coding How Outlets Work Cocoa Key Paths Uses of Key–Value Coding KeyPath Notation The Secret Life of NSObject 12. Cocoa Events Reasons for Events Subclassing Notifications Receiving a Notification Unregistering Subscribing to a Notification Posting a Notification Timer Delegation Cocoa Delegation Implementing Delegation Data Sources Actions The Responder Chain Nil-Targeted Actions Key–Value Observing Registration and Notification Unregistering Key–Value Observing Example Swamped by Events Delayed Performance 13. Memory Management Principles of Cocoa Memory Management Rules of Cocoa Memory Management What ARC Is and What It Does How Cocoa Objects Manage Memory Autorelease Pool Memory Management of Instance Properties Retain Cycles and Weak References Unusual Memory Management Situations Notification Observers KVO Observers Timers Other Unusual Situations Memory Management of CFTypeRefs Property Memory Management Policies Debugging Memory Management Mistakes 14. Communication Between Objects Visibility Through an Instance Property Visibility by Instantiation Getting a Reference Visibility by Relationship Global Visibility Notifications and Key–Value Observing The Combine Framework Alternative Architectures Model–View–Controller Router and Data Space Model–View–Presenter Protocols and Reactive Programming SwiftUI Result Builders and Modifiers State Properties Bindings Passing Data Downhill Passing Data Uphill Custom State Objects A. C, Objective-C, and Swift The C Language C Data Types C Enums C Structs C Pointers C Arrays C Strings C Functions Objective-C Objective-C Objects and C Pointers Objective-C Objects and Swift Objects Exposure of Swift to Objective-C Bridged Types and Boxed Types Objective-C Methods Selectors CFTypeRefs Blocks API Markup Bilingual Targets Index
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