紹介
The Advanced iOS 6 Developer's Cookbook brings together reliable, proven solutions for cutting-edge iOS 6 development. World-renowned iOS expert Erica Sadun covers device-specific development, document/data sharing, Core Text, networking, image processing, onboard cameras, audio, Address Book, Core Location, GameKit,StoreKit, push notifications, and more. As in her previous bestselling iOS books, Sadun translates today's development best practices into working code, distilling key concepts into concise recipes that are easy to understand and transfer into your own projects. This isn't just cut and paste. Using her examples, Sadun fully explains both the "how" and "why" of advanced and specialized iOS 6 development. All code is tested with iOS 6 features and iPhone, iPad, and iPod touch capabilities. Throughout, every chapter groups related tasks together, so you can jump straight to your solution without having to identify the right class or framework first.
Coverage includes * Testing device properties so your app can take full advantage of the iOS unit it's running on* Seamlessly sharing documents and data across apps and moving control between apps* Presenting exceptionally attractive text with freeform text typesetting* Building touch-based apps that leverage Bezier curves, splines, and other geometric tools* Securing network apps via authentication, system keychains, and OAuth* Accessing and processing image data to create special effects* Integrating live camera feeds and user snapshots* Presenting audio to users and enabling them to interact with it* Effectively using Address Book frameworks and GUI classes* Building advanced location apps with Core Location geopositioning and MapKit* Creating connected game play with GameKit/Game Center: device-to-device networking, shared leaderboards, and Internet-based matches* Integrating secure in-app purchasing with StoreKit* Communicating with users from web-based services via push notifications
目次
Preface xiii 1 Device-Specific Development 1 Accessing Basic Device Information 1 Adding Device Capability Restrictions 2 Recipe: Checking Device Proximity and Battery States 5 Recipe: Recovering Additional Device Information 9 Recipe: Using Acceleration to Locate "Up" 11 Working with Basic Orientation 12 Retrieving the Current Accelerometer Angle Synchronously 13 Recipe: Using Acceleration to Move Onscreen Objects 16 Recipe: Accelerometer-Based Scroll View 19 Recipe: Core Motion Basics 21 Recipe: Retrieving and Using Device Attitude 26 Detecting Shakes Using Motion Events 27 Recipe: Using External Screens 29 Tracking Users 35 One More Thing: Checking for Available Disk Space 35 Summary 36 2 Documents and Data Sharing 39 Recipe: Working with Uniform Type Identifiers 39 Recipe: Accessing the System Pasteboard 45 Recipe: Monitoring the Documents Folder 48 Recipe: Presenting the Activity View Controller 54 Recipe: The Quick Look Preview Controller 63 Recipe: Adding a QuickLook Action 66 Recipe: Using The Document Interaction Controller 69 Recipe: Declaring Document Support 75 Recipe: Creating URL-Based Services 82 Summary 84 3 Core Text 87 Core Text and iOS 87 Attributed Strings 89 Recipe: Basic Attributed Strings 93 Recipe: Mutable Attributed Strings 95 The Mystery of Responder Styles 98 Recipe: Attribute Stacks 100 Recipe: Using Pseudo-HTML to Create Attributed Text 105 Drawing with Core Text 109 Creating Image Cut-Outs 112 Recipe: Drawing Core Text onto a Scroll View 114 Recipe: Exploring Fonts 116 Adding Custom Fonts to Your App 118 Recipe: Splitting Core Text into Pages 119 Recipe: Drawing Attributed Text into a PDF 120 Recipe: Big Phone Text 122 Summary 125 4 Geometry 127 Recipe: Retrieving Points from Bezier Paths 127 Recipe: Thinning Points 129 Recipe: Smoothing Drawings 132 Recipe: Velocity-Based Stroking 135 Recipe: Bounding Bezier Paths 137 Recipe: Fitting Paths 142 Working with Curves 144 Recipe: Moving Items Along a Bezier Path 148 Recipe: Drawing Attributed Text Along a Bezier Path 151 Recipe: View Transforms 154 Recipe: Testing for View Intersection 161 Summary 166 5 Networking 167 Recipe: Secure Credential Storage 167 Recipe: Entering Credentials 171 Recipe: Handling Authentication Challenges 176 Recipe: Uploading Data 177 Recipe: Building a Simple Web Server 181 Recipe: OAuth Utilities 184 Recipe: The OAuth Process 188 Summary 196 6 Images 197 Image Sources 197 Reading Image Data 199 Recipe: Fitting and Filling Images 203 Recipe: Rotating Images 208 Recipe: Working with Bitmap Representations 210 Recipe: Basic Image Processing 215 Recipe: Image Convolution 216 Recipe: Basic Core Image Processing 219 Capturing View-Based Screen Shots 221 Drawing into PDF Files 222 Recipe: Reflection 223 Recipe: Emitters 226 Summary 228 7 Cameras 229 Recipe: Snapping Photos 229 Recipe: Enabling a Flashlight 233 Recipe: Accessing the AVFoundation Camera 235 Recipe: EXIF 242 Image Orientations 247 Recipe: Core Image Filtering 249 Recipe: Core Image Face Detection 251 Recipe: Sampling a Live Feed 257 Summary 260 8 Audio 261 Recipe: Playing Audio with AVAudioPlayer 261 Recipe: Looping Audio 269 Recipe: Handling Audio Interruptions 272 Recipe: Recording Audio 274 Recipe: Recording Audio with Audio Queues 280 Recipe: Picking Audio with the MPMediaPickerController 286 Creating a Media Query 288 Recipe: Using the MPMusicPlayerController 290 Summary 294 9 Connecting to the Address Book 297 The AddressBook Frameworks 297 Recipe: Searching the Address Book 322 Recipe: Accessing Contact Image Data 325 Recipe: Picking People 326 Recipe: Limiting Contact Picker Properties 329 Recipe: Adding and Removing Contacts 331 Modifying and Viewing Individual Contacts 334 Recipe: The "Unknown" Person Controller 335 Summary 338 10 Location 339 Authorizing Core Location 339 Recipe: Core Location in a Nutshell 344 Recipe: Geofencing 348 Recipe: Keeping Track of "North" by Using Heading Values 350 Recipe: Forward and Reverse Geocoding 353 Recipe: Viewing a Location 355 Recipe: User Location Annotations 360 Recipe: Creating Map Annotations 363 Summary 369 11 GameKit 371 Enabling Game Center 371 Recipe: Signing In to Game Center 373 Designing Leaderboards and Achievements 375 Recipe: Accessing Leaderboards 378 Recipe: Displaying the Game Center View Controller 380 Recipe: Submitting Scores 381 Recipe: Checking Achievements 382 Recipe: Reporting Achievements to Game Center 383 Recipe: Multiplayer Matchmaking 385 Recipe: Responding to the Matchmaker 387 Recipe: Creating an Invitation Handler 388 Managing Match State 390 Recipe: Handling Player State Changes 390 Recipe: Retrieving Player Names 392 Game Play 393 Serializing Data 394 Recipe: Synchronizing Data 397 Recipe: Turn-by-Turn Matchmaking 399 Recipe: Responding to Turn-Based Invitations 401 Recipe: Loading Matches 402 Recipe: Responding to Game Play 403 Recipe: Ending Gameplay 407 Recipe: Removing Matches 410 Recipe: Game Center Voice 411 GameKit Peer Services 415 Summary 425 12 StoreKit 427 Getting Started with StoreKit 427 Creating Test Accounts 430 Creating New In-App Purchase Items 431 Building a Storefront GUI 435 Purchasing Items 438 Validating Receipts 443 Summary 445 13 Push Notifications 447 Introducing Push Notifications 447 Provisioning Push 451 Registering Your Application 454 Recipe: Push Client Skeleton 458 Building Notification Payloads 465 Recipe: Sending Notifications 466 Feedback Service 471 Designing for Push 473 Summary 473 Index 475
