Updated and revised coverage that includes the latest versions of iOS and Xcode
Whether you're a novice or experienced developer, you will want to dive into this updated resource on database application programming for the iPhone and iPad. Packed with more than 50 percent new and revised material - including completely rebuilt code, screenshots, and full coverage of new features pertaining to database programming and enterprise integration in iOS 6 - this must-have book intends to continue the precedent set by the previous edition by helping thousands of developers master database application programming.
- Shows you how to store data using SQLite, model and manage data using Core Data, and integrate with Web Services
- Explains how to take advantage of the built-in capabilities of the iPhone and iPad
- Details techniques for integrating iOS applications into enterprise class systems
- Encourages you to take advantage of multi-core processors, store data in the cloud, and use storyboards to develop the UI for your app
By the end of the book, you will be able to confidently implement a data driven application for the iPhone and iPad and integrate an iOS application within an existing enterprise system.
Table of Contents:
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
