iOS编程指南：Big Nerd Ranch PDF版

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"《iOS Programming The Big Nerd Ranch Guide》是一本由Christian Keur、Aaron Hillegass和Joe Conway共同编写的权威指南，版权属于2014年的Big Nerd Ranch, LLC。该书是专为iOS开发人员设计的，旨在深入讲解iOS编程的各个方面，适合初学者和有经验的开发者提升技能。书中涵盖了iOS应用开发的基础知识，包括Swift语言的介绍，Objective-C的兼容性，以及Apple生态系统的框架如UIKit、Foundation、Core Data和MapKit等的使用。作者们以实用和直观的方式传授知识，通过实例演示和项目实践帮助读者理解并掌握iOS应用的构建过程。作为Big Nerd Ranch的标志性商标的10-gallon hat with propeller logo，强调了本书的实用性和Big Nerd Ranch独特的教学风格。此版本的书籍由Pearson Technology Group在全球范围内独家发行，确保了读者能够获得正版资源。值得注意的是，尽管作者和出版社致力于提供高质量的内容，但本书并非无错误的百科全书，也不承担任何明确或隐含的保修责任。对于因使用本书造成的偶然或间接损失，作者和出版社不承担责任。因此，读者在学习过程中应当具备批判性思维，利用官方文档和社区支持来解决可能遇到的问题。《iOS Programming The Big Nerd Ranch Guide》是一本不可或缺的iOS开发工具书，无论是为了初次入门还是进阶学习，都能为开发者提供系统化的指导和深入的实践体验。"

Our Teaching Philosophy

This book will teach you the essential concepts of iOS programming. At the same time, you will type

in a lot of code and build a bunch of applications. By the end of the book, you will have knowledge

and experience. However, all the knowledge should not (and, in this book, will not) come first. That

is sort of the traditional way we have all come to know and hate. Instead, we take a learn-while-

doing approach. Development concepts and actual coding go together.

Here is what we have learned over the years of teaching iOS programming:

We have learned what ideas people must grasp to get started programming, and we focus on that

subset.

We have learned that people learn best when these concepts are introduced as they are needed.

We have learned that programming knowledge and experience grow best when they grow

together.

We have learned that “going through the motions” is much more important than it sounds. Many

times we will ask you to start typing in code before you understand it. We realize that you may

feel like a trained monkey typing in a bunch of code that you do not fully grasp. But the best way

to learn coding is to find and fix your typos. Far from being a drag, this basic debugging is where

you really learn the ins and outs of the code. That is why we encourage you to type in the code

yourself. You could just download it, but copying and pasting is not programming. We want

better for you and your skills.

What does this mean for you, the reader? To learn this way takes some trust. And we appreciate

yours. It also takes patience. As we lead you through these chapters, we will try to keep you

comfortable and tell you what is happening. However, there will be times when you will have to take

our word for it. (If you think this will bug you, keep reading – we have some ideas that might help.)

Do not get discouraged if you run across a concept that you do not understand right away. Remember

that we are intentionally not providing all the knowledge you will ever need all at once. If a concept

seems unclear, we will likely discuss it in more detail later when it becomes necessary. And some

things that are not clear at the beginning will suddenly make sense when you implement them the first

(or the twelfth) time.

People learn differently. It is possible that you will love how we hand out concepts on an as-needed

basis. It is also possible that you will find it frustrating. In case of the latter, here are some options:

Take a deep breath and wait it out. We will get there, and so will you.

Check the index. We will let it slide if you look ahead and read through a more advanced

discussion that occurs later in the book.

Check the online Apple documentation. This is an essential developer tool, and you will want

plenty of practice using it. Consult it early and often.

If Objective-C or object-oriented programming concepts are giving you a hard time (or if you

think they will), you might consider backing up and reading our Objective-C Programming: The

Big Nerd Ranch Guide.

How This Book is Organized

In this book, each chapter addresses one or more ideas of iOS development through discussion and

hands-on practice. For more coding practice, most chapters include challenge exercises. We

encourage you to take on at least some of these. They are excellent for firming up the concepts

introduced in the chapter and making you a more confident iOS programmer. Finally, most chapters

conclude with one or two “For the More Curious” sections that explain certain consequences of the

concepts that were introduced earlier.

Chapter 1 introduces you to iOS programming as you build and deploy a tiny application. You will

get your feet wet with Xcode and the iOS simulator along with all the steps for creating projects and

files. The chapter includes a discussion of Model-View-Controller and how it relates to iOS

development.

Chapters 2 and 3 provide an overview of Objective-C and memory management. Although you will

not create an iOS application in these two chapters, you will build and debug a tool called RandomItems

to ground you in these concepts.

In Chapters 4 and 5, you will begin focusing on the iOS user interface as you learn about views and

the view hierarchy and create an application called Hypnosister.

Chapters 6 and 7 introduce view controllers for managing user interfaces with the HypnoNerd

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

between screens using a tab bar. You will also get plenty of experience with the important design

pattern of delegation as well as working with protocols, the debugger, and setting up local

notifications.

Chapter 8 introduces the largest application in the book – Homepwner. (By the way, “Homepwner” is

not a typo; you can find the definition of “pwn” at www.urbandictionary.com.) This application keeps

a record of your possessions in case of fire or other catastrophe. Homepwner will take fourteen chapters

to complete.

In Chapters 8, 9, and 19, you will build experience 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 10 builds on the navigation experience gained in Chapter 6. You will learn how to use

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

In Chapter 11, you will learn how to take pictures with the camera and how to display and store

images in Homepwner. You will use NSDictionary and UIImagePickerController.

In Chapters 12 and 13, you will set Homepwner aside for a bit to create a drawing application named

TouchTracker to learn about touch events. You will see how to add multi-touch 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 with NSDictionary.

In Chapter 14, you will learn how to use debug gauges, Instruments, and the static analyzer to optimize

the performance of TouchTracker.

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