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More About This Title iOS 6 Programming Pushing the Limits - AdvancedApplication Development for Apple iPhone, iPad,and iPad Touch
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ROB NAPIER has been developing iPhone applications for as long as there has been an iPhone platform. Before coming to Cocoa development, he made his living sneaking into Chinese facilities in broad daylight. He now is a Mac developer for Dell. It’s not clear which was the stranger choice of career. He has passion for the fiddly bits below the surface, like networking, performance, security, and correct use of the MVC pattern. He muses on technical topics at Cocoaphony (cocoaphony.net).
MUGUNTH KUMAR is an independent iOS developer based in Singapore. He holds a master’s degree from Nanyang Technological University. His core areas of interest include human-computer interaction and usability engineering. He writes in-depth articles covering iOS programming and the user experienced at blog.mugunthkumar.com
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Who This Book Is For 1
What This Book Covers 1
What Is New in This Edition 1
How This Book Is Structured 2
What You Need to Use This Book 5
Finding Apple Documentation 5
Source Code 5
Errata 6
Part I: What’s New? 7
Chapter 1 The Brand New Stuff 9
What’s New 9
Summary 13
Further Reading 14
Chapter 2 Getting Comfortable with Xcode 4 and the LLVM Compiler 15
Getting to Know the User Interface 16
All in One Window 18
Navigating the Navigators 19
Help from Your Assistant 21
Integrated Interface Builder 21
LLVM Compiler: A Tryst with the Brain 23
What’s New in LLVM 4 23
Git Your Versions Here 27
Schemes 29
Build Configurations You Can Comment 31
Migrating Your Code to Objective-C ARC 32
Xcode 4 Organizer 34
Summary 35
Further Reading 35
Part II: Getting the Most Out of Everyday Tools 37
Chapter 3 Everyday Objective-C 39
Naming Conventions 39
Automatic Reference Counting 41
Properties 44
Accessors 47
Categories and Extensions48
Formal and Informal Protocols 52
Summary 54
Further Reading54
Chapter 4 Hold On Loosely: Cocoa Design Patterns 55
Understanding Model-View-Controller 55
Understanding Delegates and Data Sources 58
Working with the Command Pattern 59
Working with the Observer Pattern 67
Working with the Singleton Pattern 70
Summary 72
Further Reading 73
Chapter 5 Memory Management with Objective-C ARC 75
Introduction to Objective-C ARC 75
What Is ARC? 76
Common ARC Migration Errors 83
Summary 86
Further Reading 86
Chapter 6 Getting Table Views Right 89
UITable View Class Hierarchy 89
Understanding Table Views 90
Summary 102
Further Reading 103
Chapter 7 Great at Any Angle: Collection Views and Auto Layout 105
Collection Views 105
Cocoa Auto Layout 116
Summary 123
Further Reading 123
Chapter 8 Better Drawing 125
iOS’s Many Drawing Systems 125
UIKit and the View Drawing Cycle 126
View Drawing Versus View Layout 128
Custom View Drawing 129
Optimizing UIView Drawing 144
CGLayer 148
Summary 150
Further Reading 150
Chapter 9 Layers Like an Onion: Core Animation 151
View Animations 151
Managing User Interaction 153
Drawing with Layers 154
Moving Things Around 158
Into the Third Dimension 164
Decorating Your Layers 168
Auto-Animate with Actions 170
Animating Custom Properties 171
Core Animation and Threads 173
Summary 173
Further Reading 173
Chapter 10 Tackling Those Pesky Errors 175
Error-Handling Patterns 175
Assertions 176
Exceptions 178
Catching and Reporting Crashes 179
Errors and NSError 180
Error Handler Blocks 182
Logs 183
Summary 185
Further Reading 186
Chapter 11 Location Services: Know Where You Are 187
Core Location Framework 187
Background Location 191
Location Simulation 194
Keeping an Eye on the Battery 195
Summary 195
Further Reading 195
Part III: The Right Tool for the Job 197
Chapter 12 Common UI Paradigms Using Table Views 199
Pull-To-Refresh 199
Infinite Scrolling 202
Inline Editing and Keyboard 204
Animating a UITableView 206
Practical Implementations of Table View Animations 208
Summary 211
Further Reading 212
Chapter 13 Controlling Multitasking 213
Best Practices for Backgrounding: With Great Power
Comes Great Responsibility 213
When We Left Our Heroes: State Restoration 215
Introduction to Multitasking and Run Loops 223
Developing Operation-Centric Multitasking 224
Multitasking with Grand Central Dispatch 229
Summary 235
Further Reading 236
Chapter 14 REST for the Weary 237
The REST Philosophy 238
Choosing Your Data Exchange Format 238
A Hypothetical Web Service 241
Important Reminders 242
RESTfulEngine Architecture (iHotelApp Sample Code) 243
Summary 258
Further Reading 258
Chapter 15 Batten the Hatches with Security Services 261
Understanding the iOS Sandbox 261
Securing Network Communications 263
Employing File Protection 270
Using Keychains 272
Using Encryption 274
Summary 287
Further Reading 287
Chapter 16 Running on Multiple iPlatforms and iDevices 289
Developing for Multiple Platforms 290
Detecting Device Capabilities 294
In App Email and SMS 300
Checking Multitasking Awareness 300
Supporting the iPhone 5 301
UIRequiredDeviceCapabilities 303
Summary 304
Further Reading 304
Chapter 17 Internationalization and Localization 305
What Is Localization? 305
Localizing Strings 306
Auditing for Nonlocalized Strings 307
Formatting Numbers and Dates 309
Nib Files and Base Internationalization 312
Localizing Complex Strings 312
Summary 315
Further Reading 315
Chapter 18 Selling Past the Sale with In App Purchases 317
Before You Start 317
In App Purchase Products 317
Setting Up Products on iTunes Connect 320
In App Purchase Implementation 326
Introduction to MKStoreKit 327
Making the Purchase 331
Downloading Hosted Content 332
Testing Your Code 332
Troubleshooting 333
Summary 334
Further Reading 334
Chapter 19 Debugging 335
LLDB 335
Debugging with LLDB 335
Breakpoints 338
Watchpoints 343
The LLDB Console 344
NSZombieEnabled Flag 348
Different Types of Crashes 348
Collecting Crash Reports 352
Third-Party Crash Reporting Services 353
Summary 354
Further Reading 354
Chapter 20 Performance Tuning Until It Flies 357
The Performance Mindset 357
Welcome to Instruments 358
Finding Memory Problems 360
Finding CPU Problems 364
Drawing Performance 368
Optimizing Disk and Network Access 371
Summary 371
Further Reading 372
Part IV: Pushing the Limits 373
Chapter 21 Storyboards and Custom Transitions 375
Getting Started with Storyboards 375
Custom Transitions 380
Customizing Your Views Using UIAppearance Protocol 382
Summary 383
Further Reading 383
Chapter 22 Cocoa’s Biggest Trick: Key-Value Coding and Observing 385
Key-Value Coding 385
Key-Value Observing 395
KVO Tradeoffs 399
Summary 400
Further Reading 401
Chapter 23 Think Different: Blocks and Functional Programming 403
What Is a Block? 403
Declaring a Block 406
Implementing a Block 408
Blocks and Concurrency 410
Block-Based Cocoa Methods 412
Supported Platforms 415
Summary 415
Further Reading 415
Chapter 24 Going Offline 417
Reasons for Going Offline 417
Strategies for Caching 418
Data Model Cache 422
Cache Versioning 426
Creating an In-Memory Cache 427
Creating a URL Cache 431
Summary 433
Further Reading 433
Chapter 25 Data in the Cloud 435
iCloud 435
Third-Party Cloud Offerings 437
Parse 438
StackMob 442
Disadvantages of Using a Backend as a Service 444
Summary 444
Further Reading 444
Chapter 26 Fancy Text Layout 447
The Normal Stuff: Fields, Views, and Labels 447
Rich Text in UIKit 448
Web Views for Rich Text 453
Core Text 454
Summary 464
Further Reading 464
Chapter 27 Building a (Core) Foundation 465
Core Foundation Types 465
Naming and Memory Management 466
Allocators 467
Introspection 468
Strings and Data 469
Collections 474
Toll-Free Bridging 477
Summary 480
Further Reading 480
Chapter 28 Deep Objective-C 481
Understanding Classes and Objects 481
Working with Methods and Properties 483
How Message Passing Really Works 486
Method Swizzling 494
ISA Swizzling 496
Method Swizzling Versus ISA Swizzling 498
Summary 498
Further Reading 498
Index 501
