Professional IOS Database Application Programming

Patrick Alessi creates data-centric applications for clients ranging from small businesses to the United States Air Force. He created the popular MotivationalQuotes app, as well as CNotes. He is the author of Professional iPhone and iPad Database Application Programming and Beginning iOS Game Development. Currently, he focuses his efforts on the promise of mobility and connected applications for mobile devices.

INTRODUCTION xxi PART I: MANIPULATING AND DISPLAYING DATA ON THE IPHONE AND IPAD CHAPTER 1: INTRODUCING DATA-DRIVEN APPLICATIONS 3 Building a Simple Data-Driven Application 4 Creating the Project 4 Adding a UITableView 7 Retrieving Data 9 Implementing Your Data Model Class 9 Displaying the Data 12 Further Exploration 18 Design Patterns 18 Reading a Text File 18 Moving Forward 19 CHAPTER 2: THE IOS DATABASE: SQLITE 21 What Is SQLite? 22 The SQLite Library 22 SQLite and Core Data 23 Building a Simple Database 24 Designing the Database 25 Creating the Database 27 Populating the Database 29 Tools to Visualize the SQLite Database 33 Connecting to Your Database 36 Starting the Project 36 The Model Class 39 The DBAccess Class 40 Parameterized Queries 49 Writing to the Database 50 Displaying the Catalog 51 Viewing Product Details 53 Moving Forward 56 CHAPTER 3: DISPLAYING YOUR DATA: THE UITABLEVIEW 57 Customizing the Table View 58 Table View Cell Styles 58 Adding Subviews to the contentView 61 Subclassing UITableViewCell 65 Implementing Sections and an Index 70 Implementing Search 76 Optimizing Table View Performance 82 Reusing Existing Cells 82 Opaque Subviews 83 Custom Drawn Cells with drawRect 85 UI Conventions for Accessory Views 86 Moving Forward 86 CHAPTER 4: USER INTERFACE ELEMENTS 87 Building Your Interface with Storyboards 88 Starting the Storyboard Example Application 89 Adding the Sub-detail Screen to the Storyboard 90 Adding a Modal Screen to the Storyboard 91 Displaying Master/Detail Data with the Split View Controller 92 Introducing the UISplitViewController 93 The UISplitViewControllerDelegate Protocol 95 Starting the Split View Sample Application 95 Building the Detail Interface 98 Adding Surveys with the Master/Detail View 100 Displaying Data in a Popover 105 Building the InfoViewController 106 Displaying the UIPopoverController 108 Gesture Recognizers 109 The UIGestureRecognizer Class 109 Using Gesture Recognizers 110 File Sharing Support 114 Enable File Sharing in the Sample Application 114 Serializing the Survey Data Array 114 Deserializing and Loading the Survey Data Array 116 Sharing the Data 117 Moving Forward 119 II: MANAGING YOUR DATA WITH CORE DATA CHAPTER 5: INTRODUCING CORE DATA 123 The Basics of Core Data 124 The Core Data Architecture 125 The Core Data Stack 125 SQLite and Core Data 127 Core Data and iCloud 127 Data Protection 128 Using Core Data: A Simple Task Manager 129 Creating the Project 129 Examining the Template Code 130 Modifying the Template Code 142 Moving Forward 147 CHAPTER 6: MODELING DATA IN XCODE 149 Modeling Your Data 150 Defi ning Entities and Their Attributes 151 Adding Relationships Between Entities 155 Creating Fetched Properties and Fetch Request Templates 158 Creating Custom NSManagedObject Subclasses 161 Implementing Validation Rules 163 Implementing Default Values 164 Creating the Tasks Model 165 Moving Forward 167 CHAPTER 7: BUILDING A CORE DATA APPLICATION 169 The Tasks Application Architecture 170 The Data Model 170 The Class Model 170 The User Interface 171 Coding the Application 172 MasterViewController and the Basic UI 173 Generating the Managed Object Subclasses 176 Adding and Viewing Tasks 177 Building the ViewTaskController 177 Changes to the MasterViewController 182 Building the Editing Controllers 184 Editing Text with the EditTextViewController 185 Setting Priorities with the EditPriorityViewController 189 Adding and Editing Locations with the EditLocationViewController 193 Modifying Dates with the EditDateController 199 Finishing Up the Editing Controllers 203 Displaying Results in the MasterViewController 206 Sorting Results with NSSortDescriptor 206 Filtering Results with NSPredicate 207 Generating Grouped Tables Using the NSFetchedResultsController 208 Implementing Custom Managed Objects 213 Coding a Dynamic Property 213 Defaulting Data at Runtime 214 Validating a Single Field 215 Multifi eld Validation 216 Moving Forward 218 CHAPTER 8: CORE DATA RELATED COCOA FEATURES 219 Key-Value Coding 220 Keys and Keypaths 220 Setting Values Using Keys 222 Collection Operators 223 Additional Considerations When Using KVC 223 Key-Value Observing 224 Observing Changes to an Object 224 Automatic and Manual Implementations of KVO 225 Key-Value Observing Example 226 Using NSPredicate 231 Creating Predicates 231 Using Predicates 234 Sort Descriptors 234 Moving Forward 235 CHAPTER 9: CORE DATA MIGRATION AND PERFORMANCE 237 Model Versioning and Schema Migration 238 Model Versioning 239 Lightweight Migration 241 Generating a Mapping Model 244 Safely Threading with Core Data 248 Designing for Threading 248 Threading and Core Data 249 Threading with NSOperation 249 Core Data Threading Example 250 Core Data Performance 258 Faulting 258 Data Store Types 259 Storing Binary Data 260 Entity Inheritance 260 Runtime Performance 261 Managing Changes with the Fetched Results Controller 262 Performance Analysis Using Instruments 264 Starting Instruments 265 The Instruments Interface 266 The Core Data Instruments 267 Moving Forward 268 PART III: APPLICATION INTEGRATION USING WEB SERVICES CHAPTER 10: WORKING WITH XML ON THE IPHONE 271 iOS SDK and the Web 272 Web Application Architecture 272 Synchronous Data Retrieval 273 The URL Loading System 273 Web Access Sample 275 Requesting Data from the Server 277 XML and the iPhone SDK 284 Brief Overview of XML 284 Parsing XML with NSXML Parser 285 Extending the Example, Parsing the XML 286 Generating XML with libxml 292 XML Generation Sample 293 Moving Forward 299 CHAPTER 11: INTEGRATING WITH WEB SERVICES 301 Network Application Architecture 302 Two-Tier Architecture 302 Three-Tier Architecture (n-tier) 303 Application Communication 304 Introducing Web Services 304 SOAP Messaging 306 The REST Protocol 307 Example 1: Location-Based Search 308 Starting Out 308 Building the Interface 309 Core Location 310 The Local Search API 312 Using the Search Bar 314 Handling the Web Service Response 317 Example 2: Content Analysis 329 Getting Started 330 Building the User Interface 331 Implementing the POST Call 332 Receiving the XML Response 334 Parsing the Response XML 335 Finishing Up 337 Moving Forward 338 APPENDIX A: TOOLS FOR TROUBLESHOOTING YOUR APPLICATIONS 339 Instruments 339 Starting Instruments 340 The Trace Document 341 Objective-C Memory Management 342 Sample Memory Leak Application 344 Analyzing a Memory Leak in Instruments 346 The Static Analyzer 349 INDEX 353