The Core iOS Developer's Cookbook - Companion to The Advanced iOS 6 Developer's Cookbook

Completely updated for iOS 7 and Xcode 5 This book brings together reliable, proven solutions for the heart of day-to-day iOS 7 development. Renowned iOS programming expert Erica Sadun and top iOS developer Rich Wardwell cover all you need to create successful iOS 7 mobile apps with standard APIs and interface elements and take full advantage of iOS 7 graphics, touches, and views. As in all of Sadun's iOS bestsellers, The Core iOS Developer's Cookbook translates modern best practices into working code, distilling key concepts into concise recipes you can easily understand and apply in your own projects.

This isn't just cut-and-paste; using examples, Sadun and Wardwell fully explain both the "how" and "why" of effective iOS 7 development. All code is fully revised and extensively tested to reflect new iOS 7 features and device capabilities.

Coverage includes
- Creating advanced direct touch-based interfaces with multi-touch, gestures, and custom gesture recognizers
- Building and customizing controls in powerful new ways
- Creating interfaces that reflect the new iOS 7 design paradigm
- Implementing new iOS 7 motion effects
- Alerting users via pop-ups, progress bars, local notifications, popovers, audio pings, and more
- Using Xcode modules to easily integrate system frameworks and headers
- Assembling views and animation, organizing view hierarchies, and understanding how views work together
- Supporting multiple screen geometries with the breakthrough iOS 7 Auto Layout constraints System
- Controlling keyboards, making onscreen elements "text aware," and efficiently scanning and formatting text
- Organizing user workspaces with view Controllers
- Managing photos, videos, email, and text Messages
"- Leveraging the enhanced iOS 7 support for social media activities, including Flickr and Vimeo
- Implementing VoiceOver accessibility, including new iOS 7 text-to-speech
- Getting started with Core Data-managed data stores
- Leveraging the powerful iOS 7 networking and web services Support
- Using the new iOS 7 APIs and added flexibility to enhance everything from reliability to text appearance
- Working around new iOS 7 problems and bugs

List of contents

Preface xiii
Chapter 1: Gestures and Touches   1
Touches   1
Recipe: Adding a Simple Direct Manipulation Interface   5
Recipe: Adding Pan Gesture Recognizers   7
Recipe: Using Multiple Gesture Recognizers Simultaneously   9
Recipe: Constraining Movement   14
Recipe: Testing Touches   15
Recipe: Testing Against a Bitmap   17
Recipe: Drawing Touches Onscreen   20
Recipe: Smoothing Drawings   22
Recipe: Using Multi-Touch Interaction   26
Recipe: Detecting Circles   29
Recipe: Creating a Custom Gesture Recognizer   34
Recipe: Dragging from a Scroll View   37
Recipe: Live Touch Feedback   40
Recipe: Adding Menus to Views   45
Summary   47
Chapter 2: Building and Using Controls   49
The UIControl Class   49
Buttons   53
Buttons in Interface Builder   55
Recipe: Building Buttons   56
Recipe: Animating Button Responses   60
Recipe: Adding a Slider with a Custom Thumb   62
Recipe: Creating a Twice-Tappable Segmented Control   67
Working with Switches and Steppers   70
Recipe: Subclassing UIControl   72
Recipe: Building a Star Slider   76
Recipe: Building a Touch Wheel   79
Recipe: Creating a Pull Control   83
Recipe: Building a Custom Lock Control   88
Recipe: Image Gallery Viewer   93
Building Toolbars   96
Summary   98
Chapter 3: Alerting the User   101
Talking Directly to Your User through Alerts   101
Recipe: Using Blocks with Alerts   105
Recipe: Using Variadic Arguments with Alert Views   110
Presenting Lists of Options   112
“Please Wait”: Showing Progress to Your User   115
Recipe: Modal Progress Overlays   117
Recipe: Custom Modal Alert View   119
Recipe: Basic Popovers   124
Recipe: Local Notifications   126
Alert Indicators   128
Recipe: Simple Audio Alerts   129
Summary   133
Chapter 4: Assembling Views and Animations   135
View Hierarchies   135
Recipe: Recovering a View Hierarchy Tree   137
Recipe: Querying Subviews   139
Managing Subviews   141
Tagging and Retrieving Views   142
Recipe: Naming Views by Object Association   143
View Geometry   146
Recipe: Working with View Frames   150
Recipe: Retrieving Transform Information   158
Display and Interaction Traits   164
UIView Animations   165
Recipe: Fading a View In and Out   167
Recipe: Swapping Views   168
Recipe: Flipping Views   169
Recipe: Using Core Animation Transitions   170
Recipe: Bouncing Views as They Appear   172
Recipe: Key Frame Animations   174
Recipe: Image View Animations   176
Summary   177
Chapter 5: View Constraints   179
What Are Constraints?   179
Constraint Attributes   180
The Laws of Constraints   182
Constraints and Frames   184
Creating Constraints   186
Format Strings   189
Predicates   194
Format String Summary   196
Aligning Views and Flexible Sizing   198
Constraint Processing   198
Managing Constraints   199
Recipe: Comparing Constraints   201
Recipe: Creating Fixed-Size Constrained Views   204
Recipe: Centering Views   209
Recipe: Setting Aspect Ratio   210
Recipe: Responding to Orientation Changes   212
Debugging Your Constraints   214
Recipe: Describing Constraints   215
Constraint Macros   218
Summary   221
Chapter 6: Text Entry   223
Recipe: Dismissing a UITextField Keyboard   224
Recipe: Dismissing Text Views with Custom Accessory Views   228
Recipe: Adjusting Views Around Keyboards   230
Recipe: Creating a Custom Input View   235
Recipe: Making Text-Input-Aware Views   240
Recipe: Adding Custom Input Views to Nontext Views   243
Recipe: Building a Better Text Editor (Part I)   246
Recipe: Building a Better Text Editor (Part II)   248
Recipe: Text-Entry Filtering   252
Recipe: Detecting Text Patterns   255
Recipe: Detecting Misspelling in a UITextView   260
Searching for Text Strings   262
Summary   262
Chapter 7: Working with View Controllers   263
View Controllers   263
Developing with Navigation Controllers and Split Views   266
Recipe: The Navigation Item Class   271
Recipe: Modal Presentation   273
Recipe: Building Split View Controllers   278
Recipe: Creating Universal Split View/Navigation Apps   283
Recipe: Tab Bars   286
Remembering Tab State   290
Recipe: Page View Controllers   293
Recipe: Custom Containers   303
Recipe: Segues   309
Summary   315
Chapter 8: Common Controllers   317
Image Picker Controller   317
Recipe: Selecting Images   319
Recipe: Snapping Photos   326
Recipe: Recording Video   331
Recipe: Playing Video with Media Player   333
Recipe: Editing Video   336
Recipe: Picking and Editing Video   339
Recipe: E-mailing Pictures   341
Recipe: Sending a Text Message   344
Recipe: Posting Social Updates   347
Summary   349
Chapter 9: Creating and Managing Table Views   351
iOS Tables   351
Delegation   352
Creating Tables   353
Recipe: Implementing a Basic Table   356
Table View Cells   360
Recipe: Creating Checked Table Cells   362
Working with Disclosure Accessories   364
Recipe: Table Edits   366
Recipe: Working with Sections   374
Recipe: Searching Through a Table   381
Recipe: Adding Pull-to-Refresh to Your Table   387
Recipe: Adding Action Rows   390
Coding a Custom Group Table   395
Recipe: Building a Multiwheel Table   396
Using UIDatePicker   400
Summary   401
Chapter 10: Collection Views   403
Collection Views Versus Tables   403
Establishing Collection Views   405
Flow Layouts   407
Recipe: Basic Collection View Flows   412
Recipe: Custom Cells   416
Recipe: Scrolling Horizontal Lists   418
Recipe: Introducing Interactive Layout Effects   422
Recipe: Scroll Snapping   424
Recipe: Creating a Circle Layout   425
Recipe: Adding Gestures to Layout   431
Recipe: Creating a True Grid Layout   433
Recipe: Custom Item Menus   440
Summary   442
Chapter 11: Documents and Data Sharing   445
Recipe: Working with Uniform Type Identifiers   445
Recipe: Accessing the System Pasteboard   451
Recipe: Monitoring the Documents Folder   454
Recipe: Activity View Controller   460
Recipe: The Quick Look Preview Controller   470
Recipe: Using the Document Interaction Controller   473
Recipe: Declaring Document Support   480
Recipe: Creating URL-Based Services   486
Summary   489
Chapter 12: A Taste of Core Data   491
Introducing Core Data   491
Entities and Models   492
Creating Contexts   494
Adding Data   495
Querying the Database   498
Removing Objects   500
Recipe: Using Core Data for a Table Data Source   501
Recipe: Search Tables and Core Data   505
Recipe: Adding Edits to Core Data Table Views   508
Recipe: A Core Data-Powered Collection View   514
Summary   519
Chapter 13: Networking Basics   521
Recipe: Checking Your Network Status   521
Scanning for Connectivity Changes   524
The URL Loading System   526
Recipe: Simple Downloads   528
Recipe: Downloads with Feedback   533
Recipe: Background Transfers   543
Recipe: Using JSON Serialization   546
Recipe: Converting XML into Trees   549
Summary   554
Chapter 14: Device-Specific Development   555
Accessing Basic Device Information   555
Adding Device Capability Restrictions   556
Recipe: Checking Device Proximity and Battery States   559
Recipe: Recovering Additional Device Information   563
Core Motion Basics   565
Recipe: Using Acceleration to Locate “Up”   566
Working with Basic Orientation   568
Recipe: Using Acceleration to Move Onscreen Objects   571
Recipe: Accelerometer-Based Scroll View   575
Recipe: Retrieving and Using Device Attitude   578
Detecting Shakes Using Motion Events   579
Recipe: Using External Screens   581
Tracking Users   587
One More Thing: Checking for Available Disk Space   588
Summary   589
Chapter 15: Accessibility   591
Accessibility 101   591
Enabling Accessibility   593
Traits   594
Labels   595
Hints   596
Testing with the Simulator   597
Broadcasting Updates   599
Testing Accessibility on iOS   599
Speech Synthesis   601
Dynamic Type   602
Summary   604
Appendix A: Objective-C Literals   605
Numbers   605
Boxing   606
Container Literals   607
Subscripting   608
Feature Tests   609
Index   611

About the author

Erica Sadun holds a PhD in Computer Science from the Georgia Institute of Technology. She has written, co-written, and contributed to almost two dozen books about technology, particularly in the areas of programming, digital video, and digital photography. Her checkered past includes run-ins with NeXT, Newton, and a vast myriad of both successful and unsuccessful technologies.

Summary

The Core iOS Developer’s Cookbook brings together reliable, proven solutions for the heart of day-to-day iOS 7 development. World-renowned iOS programming expert Erica Sadun covers all the classes needed to create successful iOS 7 mobile apps with standard APIs and interface elements and take full advantage of iOS 7 graphics, touches, and views. 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 the readers' own projects. This isn’t just cut-and-paste; using her examples, Sadun fully explains both the “how” and “why” of effective iOS 7 development.

Product details

• Authors: Erica Sadun, Rich Wardwell
• Publisher: Addison-Wesley Longman, Amsterdam
• Languages: English
• Product format: Paperback / Softback
• Released: 30.04.2014
• EAN: 9780321948106
• ISBN: 978-0-321-94810-6
• No. of pages: 672
• Dimensions: 179 mm x 224 mm x 34 mm
• Weight: 1029 g
• Illustrations: w. figs.
• Series: Developer's Library; Addison-Wesley; Addison-Wesley; Developer's Library
• Subject: Natural sciences, medicine, IT, technology > IT, data processing > Programming languages