iOS 5 Programming Cookbook. Solutions & Examples for iPhone, iPad, and iPod touch Apps (e-book) Chełmek

Now you can overcome the vexing, real-life issues you confront when creating apps for the iPhone, iPad, or iPod Touch. By making use of more than 100 new recipes in this updated cookbook, you...ll quickly learn the steps necessary for writing complete iOS apps, whether they...re as simple as a music player or feature a complex mix of animations, graphics, multimedia, a database, and iCloud storage.If you...re comfortable with iOS SDK, this cookbook will teach you how to use hundreds of iOS techniques. Each recipe provides a clear solution with sample code that you can use right away.Use different approaches to construct a user interfaceDevelop location-aware appsGet working examples for implementing gesture recognizersPlay audio and video files and access the iPod libraryRetrieve contacts and groups from the Address BookDetermine camera availability and access the Photo LibraryCreate multitasking-aware appsMaintain persistent storage in your appsUse Event Kit to manage calendars and eventsLearn capabilities of the Core Graphics frameworkAccess the accelerometer and gyroscopeTake advantage of the iCloud service Spis treści: iOS 5 Programming Cookbook SPECIAL OFFER: Upgrade this ebook with OReilly A Note Regarding Supplemental Files Preface Audience Organization of This Book Additional Resources Conventions Used in This Book Using Code Examples Wed Like to Hear from You Safari Books Online Acknowledgments 1. The Basics 1.0. Introduction 1.1. Creating a Simple iOS App in Xcode Problem Solution Discussion 1.2. Understanding Interface Builder Problem Solution Discussion See Also 1.3. Compiling iOS Apps Problem Solution Discussion See Also 1.4. Running iOS Apps on the Simulator Problem Solution Discussion See Also 1.5. Running iOS Apps on iOS Devices Problem Solution Discussion See Also 1.6. Packaging iOS Apps for Distribution Problem Solution Discussion 1.7. Declaring Variables in Objective-C Problem Solution Discussion 1.8. Allocating and Making Use of Strings Problem Solution Discussion 1.9. Comparing Values in Objective-C with an If Statement Problem Solution Discussion See Also 1.10. Implementing Loops with For Statements Problem Solution Discussion 1.11. Implementing While Loops Problem Solution Discussion See Also 1.12. Creating Custom Classes Problem Solution Discussion 1.13. Defining Functionality for Classes Problem Solution Discussion 1.14. Defining Two or More Methods with the Same Name Problem Solution Discussion See Also 1.15. Allocating and Initializing Objects Problem Solution Discussion 1.16. Adding Properties to Classes Problem Solution Discussion See Also 1.17. Moving From Manual Reference Counting to Automatic Reference Counting Problem Solution Discussion 1.18. Typecasting with Automatic Reference Counting Problem Solution Discussion See Also 1.19. Delegating Tasks with Protocols Problem Solution Discussion 1.20. Determining Whether Instance or Class Methods Are Available Problem Solution Discussion See Also 1.21. Determining Whether a Class Is Available at Runtime Problem Solution Discussion 1.22. Allocating and Making Use of Numbers Problem Solution Discussion 1.23. Allocating and Making Use of Arrays Problem Solution Discussion 1.24. Allocating and Making Use of Dictionaries Problem Solution Discussion 1.25. Allocating and Making Use of Sets Problem Solution Discussion 1.26. Creating Bundles Problem Solution Discussion 1.27. Loading Data From the Main Bundle Problem Solution Discussion See Also 1.28. Loading Data From Other Bundles Problem Solution Discussion See Also 1.29. Sending Notifications with NSNotificationCenter Problem Solution Discussion 1.30. Listening for Notifications Sent From NSNotificationCenter Problem Solution Discussion See Also 2. Implementing Controllers and Views 2.0. Introduction 2.1. Displaying Alerts with UIAlertView Problem Solution Discussion See Also 2.2. Creating and Using Switches with UISwitch Problem Solution Discussion 2.3. Picking Values with UIPickerView Problem Solution Discussion See Also 2.4. Picking the Date and Time with UIDatePicker Problem Solution Discussion 2.5. Implementing Range Pickers with UISlider Problem Solution Discussion 2.6. Grouping Compact Options with UISegmentedControl Problem Solution Discussion 2.7. Presenting and Managing Views with UIViewController Problem Solution Discussion See Also 2.8. Implementing Navigation with UINavigationController Problem Solution Discussion See Also 2.9. Manipulating a Navigation Controllers Array of View Controllers Problem Solution Discussion 2.10. Displaying an Image on a Navigation Bar Problem Solution Discussion 2.11. Adding Buttons to Navigation Bars Using UIBarButtonItem Problem Solution Discussion See Also 2.12. Presenting Multiple View Controllers with UITabBarController Problem Solution Discussion 2.13. Displaying Static Text with UILabel Problem Solution Discussion 2.14. Accepting User Text Input with UITextField Problem Solution Discussion See Also 2.15. Displaying Long Lines of Text with UITextView Problem Solution Discussion 2.16. Adding Buttons to the User Interface with UIButton Problem Solution Discussion 2.17. Displaying Images with UIImageView Problem Solution Discussion 2.18. Creating Scrollable Content with UIScrollView Problem Solution Discussion 2.19. Loading Web Pages with UIWebView Problem Solution Discussion 2.20. Presenting Master-Detail Views with UISplitViewController Problem Solution Discussion 2.21. Enabling Paging with UIPageViewController Problem Solution Discussion 2.22. Displaying Popovers with UIPopoverController Problem Solution Discussion See Also 2.23. Displaying Progress with UIProgressView Problem Solution Discussion 2.24. Listening and Reacting to Keyboard Notifications Problem Solution Discussion See Also 3. Constructing and Using Table Views 3.0. Introduction 3.1. Instantiating a Table View Problem Solution Discussion 3.2. Assigning a Delegate to a Table View Problem Solution Discussion 3.3. Populating a Table View with Data Problem Solution Discussion 3.4. Receiving and Handling Table View Events Problem Solution Discussion See Also 3.5. Using Different Types of Accessories in a Table View Cell Problem Solution Discussion 3.6. Creating Custom Table View Cell Accessories Problem Solution Discussion 3.7. Displaying Hierarchical Data in Table Views Problem Solution Discussion 3.8. Enabling Swipe Deletion of Table View Cells Problem Solution Discussion 3.9. Constructing Headers and Footers in Table Views Problem Solution Discussion 3.10. Displaying Context Menus on Table Views Cells Problem Solution Discussion 3.11. Moving Cells and Sections in Table Views Problem Solution Discussion 3.12. Deleting Cells and Sections From Table Views Problem Solution Discussion See Also 4. Storyboards 4.0. Introduction 4.1. Creating a Project with Storyboards Problem Solution Discussion 4.2. Adding a Navigation Controller to a Storyboard Problem Solution Discussion See Also 4.3. Passing Data From One Screen to Another Problem Solution Discussion See Also 4.4. Adding a Storyboard to an Existing Project Problem Solution Discussion 5. Concurrency 5.0. Introduction 5.1. Constructing Block Objects Problem Solution Discussion 5.2. Accessing Variables in Block Objects Problem Solution Discussion 5.3. Invoking Block Objects Problem Solution Discussion See Also 5.4. Dispatching Tasks to Grand Central Dispatch Problem Solution Discussion See Also 5.5. Performing UI-Related Tasks with GCD Problem Solution Discussion 5.6. Performing Non-UI Related Tasks Synchronously with GCD Problem Solution Discussion See Also 5.7. Performing Non-UI Related Tasks Asynchronously with GCD Problem Solution Discussion See Also 5.8. Performing Tasks After a Delay with GCD Problem Solution Discussion See Also 5.9. Performing a Task Only Once with GCD Problem Solution Discussion 5.10. Grouping Tasks Together with GCD Problem Solution Discussion See Also 5.11. Constructing Your Own Dispatch Queues with GCD Problem Solution Discussion 5.12. Running Tasks Synchronously with Operations Problem Solution Discussion See Also 5.13. Running Tasks Asynchronously with Operations Problem Solution Discussion See Also 5.14. Creating Dependency Between Operations Problem Solution Discussion See Also 5.15. Creating Timers Problem Solution Discussion 5.16. Creating Concurrency with Threads Problem Solution Discussion 5.17. Invoking Background Methods Problem Solution Discussion 5.18. Exiting Threads and Timers Problem Solution Discussion 6. Core Location and Maps 6.0. Introduction 6.1. Creating a Map View Problem Solution Discussion 6.2. Handling the Events of a Map View Problem Solution Discussion See Also 6.3. Pinpointing the Location of a Device Problem Solution Discussion 6.4. Displaying Pins on a Map View Problem Solution Discussion 6.5. Displaying Pins with Different Colors on a Map View Problem Solution Discussion 6.6. Displaying Custom Pins on a Map View Problem Solution Discussion See Also 6.7. Converting Meaningful Addresses to Longitude and Latitude Problem Solution Discussion 6.8. Converting Longitude and Latitude to a Meaningful Address Problem Solution Discussion 7. Implementing Gesture Recognizers 7.0. Introduction 7.1. Detecting Swipe Gestures Problem Solution Discussion 7.2. Detecting Rotation Gestures Problem Solution Discussion See Also 7.3. Detecting Panning and Dragging Gestures Problem Solution Discussion 7.4. Detecting Long Press Gestures Problem Solution Discussion 7.5. Detecting Tap Gestures Problem Solution Discussion 7.6. Detecting Pinch Gestures Problem Solution Discussion 8. Networking, JSON, XML, and Twitter 8.0. Introduction 8.1. Downloading Asynchronously with NSURLConnection Problem Solution Discussion 8.2. Handling Timeouts in Asynchronous Connections Problem Solution Discussion 8.3. Downloading Synchronously with NSURLConnection Problem Solution Discussion 8.4. Modifying a URL Request with NSMutableURLRequest Problem Solution Discussion 8.5. Sending HTTP GET Requests with NSURLConnection Problem Solution Discussion 8.6. Sending HTTP POST Requests with NSURLConnection Problem Solution Discussion 8.7. Sending HTTP DELETE Requests with NSURLConnection Problem Solution Discussion 8.8. Sending HTTP PUT Requests with NSURLConnection Problem Solution Discussion 8.9. Serializing Arrays and Dictionaries into JSON Problem Solution Discussion 8.10. Deserializing JSON into Arrays and Dictionaries Problem Solution Discussion See Also 8.11. Integrating Twitter Functionality into Your Apps Problem Solution Discussion 8.12. Parsing XML with NSXMLParser Problem Solution Discussion 9. Audio and Video 9.0. Introduction 9.1. Playing Audio Files Problem Solution Discussion See Also 9.2. Handling Interruptions While Playing Audio Problem Solution Discussion 9.3. Recording Audio Problem Solution Discussion See Also 9.4. Handling Interruptions While Recording Audio Problem Solution Discussion 9.5. Playing Audio Over Other Active Sounds Problem Solution Discussion 9.6. Playing Video Files Problem Solution Discussion See Also 9.7. Capturing Thumbnails From a Video File Problem Solution Discussion 9.8. Accessing the Music Library Problem Solution Discussion 10. Address Book 10.0. Introduction 10.1. Retrieving a Reference to an Address Book Problem Solution Discussion 10.2. Retrieving All the People in the Address Book Problem Solution Discussion See Also 10.3. Retrieving Properties of Address Book Entries Problem Solution Discussion See Also 10.4. Inserting a Person Entry into the Address Book Problem Solution Discussion 10.5. Inserting a Group Entry into the Address Book Problem Solution Discussion 10.6. Adding Persons to Groups Problem Solution Discussion See Also 10.7. Searching the Address Book Problem Solution Discussion 10.8. Retrieving and Setting a Persons Address Book Image Problem Solution Discussion 11. Camera and the Photo Library 11.0. Introduction 11.1. Detecting and Probing the Camera Problem Solution Discussion 11.2. Taking Photos with the Camera Problem Solution Discussion See Also 11.3. Taking Videos with the Camera Problem Solution Discussion See Also 11.4. Storing Photos in the Photo Library Problem Solution Discussion 11.5. Storing Videos in the Photo Library Problem Solution Discussion 11.6. Retrieving Photos and Videos From the Photo Library Problem Solution Discussion See Also 11.7. Retrieving Assets From the Assets Library Problem Solution Discussion 11.8. Editing Videos on an iOS Device Problem Solution Discussion See Also 12. Multitasking 12.0. Introduction 12.1. Detecting the Availability of Multitasking Problem Solution Discussion 12.2. Completing a Long-Running Task in the Background Problem Solution Discussion See Also 12.3. Receiving Local Notifications in the Background Problem Solution Discussion 12.4. Playing Audio in the Background Problem Solution Discussion 12.5. Handling Location Changes in the Background Problem Solution Discussion 12.6. Saving and Loading the State of Multitasking iOS Apps Problem Solution Discussion See Also 12.7. Handling Network Connections in the Background Problem Solution Discussion See Also 12.8. Handling Notifications Delivered to a Waking App Problem Solution Discussion 12.9. Responding to Changes in App Settings Problem Solution Discussion 12.10. Opting Out of Multitasking Problem Solution Discussion 13. Core Data 13.0. Introduction 13.1. Creating a Core Data Model with Xcode Problem Solution Discussion 13.2. Generating Class Files for Core Data Entities Problem Solution Discussion 13.3. Creating and Saving Data Using Core Data Problem Solution Discussion 13.4. Reading Data From Core Data Problem Solution Discussion See Also 13.5. Deleting Data From Core Data Problem Solution Discussion 13.6. Sorting Data in Core Data Problem Solution Discussion See Also 13.7. Boosting Data Access in Table Views Problem Solution Discussion 13.8. Implementing Relationships in Core Data Problem Solution Discussion 14. Dates, Calendars, and Events 14.0. Introduction 14.1. Retrieving the List of Calendars Problem Solution Discussion See Also 14.2. Adding Events to Calendars Problem Solution Discussion See Also 14.3. Accessing the Contents of Calendars Problem Solution Discussion See Also 14.4. Removing Events From Calendars Problem Solution Discussion See Also 14.5. Adding Recurring Events to Calendars Problem Solution Discussion See Also 14.6. Retrieving the Attendees of an Event Problem Solution Discussion See Also 14.7. Adding Alarms to Calendars Problem Solution Discussion See Also 14.8. Handling Event Changed Notifications Problem Solution Discussion 14.9. Presenting Event View Controllers Problem Solution Discussion See Also 14.10. Presenting Event Edit View Controllers Problem Solution Discussion See Also 15. Graphics and Animations 15.0. Introduction 15.1. Enumerating and Loading Fonts Problem Solution Discussion See Also 15.2. Drawing Text Problem Solution Discussion 15.3. Constructing, Setting, and Using Colors Problem Solution Discussion See Also 15.4. Drawing Images Problem Solution Discussion See Also 15.5. Drawing Lines Problem Solution Discussion See Also 15.6. Constructing Paths Problem Solution Discussion See Also 15.7. Drawing Rectangles Problem Solution Discussion See Also 15.8. Adding Shadows to Shapes Problem Solution Discussion 15.9. Drawing Gradients Problem Solution Discussion See Also 15.10. Displacing Shapes Drawn on Graphic Contexts Problem Solution Discussion See Also 15.11. Scaling Shapes Drawn on Graphic Contexts Problem Solution Discussion See Also 15.12. Rotating Shapes Drawn on Graphic Contexts Problem Solution Discussion See Also 15.13. Animating and Moving Views Problem Solution Discussion 15.14. Animating and Scaling Views Problem Solution Discussion See Also 15.15. Animating and Rotating Views Problem Solution Discussion See Also 16. Core Motion 16.0. Introduction 16.1. Detecting the Availability of an Accelerometer Problem Solution Discussion See Also 16.2. Detecting the Availability of a Gyroscope Problem Solution Discussion See Also 16.3. Retrieving Accelerometer Data Problem Solution Discussion See Also 16.4. Detecting Shakes on an iOS Device Problem Solution Discussion 16.5. Retrieving Gyroscope Data Problem Solution Discussion See Also 17. iCloud 17.0. Introduction 17.1. Setting Up Your App for iCloud Problem Solution Discussion 17.2. Storing and Synchronizing Dictionaries in iCloud Problem Solution Discussion 17.3. Creating and Managing Folders for Apps in iCloud Problem Solution Discussion See Also 17.4. Searching for Files and Folders in iCloud Problem Solution Discussion See Also 17.5. Storing User Documents in iCloud Problem Solution Discussion See Also 17.6. Managing the State of Documents in iCloud Problem Solution Discussion See Also 17.7. Handling Conflicts in iCloud Documents Problem Solution Discussion See Also Index About the Author Colophon SPECIAL OFFER: Upgrade this ebook with OReilly