iOS编程：Big Nerd Ranch指南（第6版） - CSDN文库

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"Big.Nerd.Ranch.Guides.iOS.Programming.The.Big.Nerd.Ranch.Guide.6th.Edition.2016" 这本书是《iOS编程：The Big Nerd Ranch Guide》的第六版，由Christian Keur和Aaron Hillegass合作编写，于2016年由Big Nerd Ranch, LLC出版。此书专注于教授iOS应用开发，是iOS开发者入门的经典教程之一。书中深入浅出地介绍了iOS开发的基础知识，涵盖了Objective-C或Swift编程语言、Xcode集成开发环境的使用、UIKit框架以及苹果的应用程序接口（API）。作者们通过一系列逐步引导的实例，帮助读者理解并掌握构建iOS应用的核心概念和技术。第六版的内容可能包括了当时最新的iOS版本特性，例如Swift语言的更新版本、Swift Playgrounds的使用、Auto Layout和Size Classes的优化、Core Data的深入探讨、以及Apple Watch和tvOS开发的介绍。此外，书中还可能涉及了iOS开发的最佳实践、测试策略、性能优化以及App Store发布流程。书中强调实践，鼓励读者在学习过程中动手编写代码，通过实际操作来巩固理论知识。每一章的末尾通常会提供练习和挑战，以检验读者对所学内容的理解程度，并促进技能的提升。作为一本专业的技术指南，该书适合那些想要进入iOS开发领域的初学者，或是希望深化对iOS平台理解的开发者。书中涵盖的主题可能包括： 1. iOS开发环境的设置：讲解如何安装Xcode和配置开发环境。 2. Swift或Objective-C基础：介绍两种主要的iOS编程语言，包括语法、面向对象编程概念和函数式编程特点。 3. 用户界面设计：涵盖UIKit框架，讲解如何使用Storyboards和代码创建用户界面。 4. 数据管理：讨论Core Data和SQLite等数据存储解决方案。 5. 异步编程：介绍Grand Central Dispatch (GCD)和NSOperationQueue等多线程技术。 6. 网络编程：讲解如何使用URLSession进行网络请求和响应处理。 7. 自动布局和尺寸类：指导如何使用Auto Layout实现适应不同设备和屏幕尺寸的界面设计。 8. 交互与动画：介绍如何使用Core Animation添加动态效果和交互性。 9. 测试和调试：教授如何编写单元测试，使用Xcode的调试工具解决问题。 10. 应用发布：涵盖App Store提交过程，包括应用审核、版本管理和分发策略。通过阅读和实践这本书的内容，读者将能够掌握构建高质量iOS应用程序所需的关键技能，并具备独立开发和维护iOS应用的能力。同时，书中强调的编程规范和最佳实践也有助于培养良好的开发习惯。

ptg18651516

Introduction

xvi

Chapter4 introduces delegation, an important iOS design pattern. You will also add a text field to

WorldTrotter.

In Chapter5, you will expand WorldTrotter and learn about using view controllers for managing user

interfaces. You will get practice working with views and view controllers as well as navigating between

screens using a tab bar.

In Chapter6, you will learn how to manage views and view controllers in code. You will add a

segmented control to WorldTrotter that will let you switch between various map types.

Chapter7 introduces the concepts and techniques of internationalization and localization. You will

learn about Locale, strings tables, and Bundle as you localize parts of WorldTrotter.

In Chapter8, you will learn about and add different types of animations to the Quiz project that you

created in Chapter1.

Chapter9 will walk you through some of the tools at your disposal for debugging – finding and fixing

issues in your application.

Chapter10 introduces the largest application in the book – Homepwner. (“Homepwner” is not a typo;

you can find the definition of “pwn” at www.wiktionary.org.) This application keeps a record of your

items in case of fire or other catastrophe. Homepwner will take eight chapters to complete.

In Chapter10 – Chapter12, you will work with tables. You will learn about table views, their view

controllers, and their data sources. You will learn how to display data in a table, how to allow the user

to edit the table, and how to improve the interface.

Chapter13 introduces stack views, which will help you create complex interfaces easily. You will use a

stack view to add a new screen to Homepwner that displays an item’s details.

Chapter14 builds on the navigation experience gained in Chapter5. You will use

UINavigationController to give Homepwner a drill-down interface and a navigation bar.

Chapter15 introduces the camera. You will take pictures and display and store images in Homepwner.

In Chapter16, you will add persistence to Homepwner, using archiving to save and load the application

data.

In Chapter17, you will learn about size classes, and you will use these to update Homepwner’s

interface to scale well across various screen sizes.

In Chapter18 and Chapter19, you will create a drawing application named TouchTracker

to learn about touch events. You will see how to add multitouch capability and how to use

UIGestureRecognizer to respond to particular gestures. You will also get experience with the first

responder and responder chain concepts and more practice using structures and dictionaries.

Chapter20 introduces web services as you create the Photorama application. This application fetches

and parses JSON data from a server using URLSession and JSONSerialization.

In Chapter21, you will learn about collection views as you build an interface for Photorama using

UICollectionView and UICollectionViewCell.

In Chapter22 and Chapter23, you will add persistence to Photorama using Core Data. You will store

and load images and associated data using an NSManagedObjectContext.

Chapter24 will walk you through making your applications accessible to more people by adding

VoiceOver information.

ptg18651516

Style Choices

xvii

Style Choices

This book contains a lot of code. We have attempted to make that code and the designs behind it

exemplary. We have done our best to follow the idioms of the community, but at times we have

wandered from what you might see in Apple’s sample code or code you might find in other books. In

particular, you should know up front that we nearly always start a project with the simplest template

project: the single view application. When your app works, you will know it is because of your efforts

– not because of behavior built into the template.

Typographical Conventions

To make this book easier to read, certain items appear in certain fonts. Classes, types, methods,

and functions appear in a bold, fixed-width font. Classes and types start with capital letters, and

methods and functions start with lowercase letters. For example, “In the loadView() method of the

RexViewController class, create a constant of type String.”

Variables, constants, and filenames appear in a fixed-width font but are not bold. So you will see, “In

ViewController.swift, add a variable named fido and initialize it to "Rufus".”

Application names, menu choices, and button names appear in a sans serif font. For example, “Open

Xcode and select New Project... from the File menu. Select Single View Application and then click

Next.”

All code blocks are in a fixed-width font. Code that you need to type in is bold; code that you need

to delete is struck through. For example, in the following code, you would delete the line import

Foundation and type in the two lines beginning @IBOutlet. The other lines are already in the code and

are included to let you know where to add the new lines.

import Foundation

import UIKit

class ViewController: UIViewController {

@IBOutlet var questionLabel: UILabel!

@IBOutlet var answerLabel: UILabel!

}

Necessary Hardware and Software

To build the applications in this book, you must have Xcode 8.1, which requires a Mac running macOS

El Capitan version 10.11.4 or later. Xcode, Apple’s Integrated Development Environment, is available

on the App Store. Xcode includes the iOS SDK, the iOS simulator, and other development tools.

You should join the Apple Developer Program, which costs $99/year, because:

• Downloading the latest developer tools is free for members.

• You cannot put an app in the store until you are a member.

If you are going to take the time to work through this entire book, membership in the Apple Developer

Program is worth the cost. Go to developer.apple.com/programs/ios/ to join.

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