The Gourmet iOS Developer's Cookbook: Even More Recipes for Better iOS App Development
By: Erica Sadun (author)Paperback
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The Gourmet iOS Developer's Cookbook offers a fresh banquet of delicious cutting-edge iOS programming recipes for projects both big and small. Renowned iOS programming expert Erica Sadun brings together reliable, proven code for creating today's richest, most robust apps.Sadun presents innovative ways to make the most of AVFoundation, Text Kit, animation, adaptive interface programming, and much more. As in all of her iOS best-sellers, this pragmatic guide translates modern best practices into working code, distilling key concepts into recipes you can understand and build on.This is more than just cut-and-paste; using examples, Sadun offers a deep dive into the "how" and "why" of advanced iOS development. The code reflects iOS's latest capabilities, and every chapter groups related tasks together, so you can jump straight to your solution. Coverage includesProviding advanced speech generation and barcode recognition features through AVFoundationAutomatically updating app text presentation based on user preferences and expectationsExtending rich, flexible text throughout your apps with UIKit and Text KitSeamlessly migrating text designs between iOS screens and other destinationsGenerating attributed text strings from HTML sourcesIntegrating real-world physics for exciting animations and interactionsCreating better interfaces with dynamic animators--and overcoming their pitfallsAchieving greater visual impact with improved user alerts and popoversImplementing clever and compelling effects with non-rectangular viewsBuilding adaptive apps that gracefully respond to any iOS display, orientation, or screenStreamlining development with expert methods, functions, and techniquesExploring the core concepts you'll need to migrate successfully to SwiftThis book's source code is frequently updated by the author and can be downloaded at https://github.com/erica/iOS-Gourmet-Cookbook.
Erica Sadun is the bestselling author, coauthor, and contributor to several dozen books on programming, digital video and photography, and web design, including the widely popular The Core iOS 6 Developer's Cookbook, Fourth Edition. She has blogged at TUAW.com, O'Reilly's Mac Devcenter, Lifehacker, and Ars Technica. In addition to being the author of dozens of iOS-native applications, Erica holds a Ph.D. in computer science from Georgia Tech's Graphics, Visualization and Usability Center. A geek, a programmer, and an author, she's never met a gadget she didn't love. When not writing, she and her geek husband parent three geeks-in-training, who regard their parents with restrained bemusement when they're not busy rewiring the house or plotting global domination.
Preface xiii Chapter 1: Media 1 Speech 1 Other Options 3 Delegate Callbacks 3 Dictation 5 Creating Barcodes 5 Filter Parameters 5 Building Codes 6 Reading Barcodes 8 Listening for Metadata Objects 10 Responding to Metadata 11 Extracting Bounds 13 Enhancing Recognition 14 Detecting Faces 14 Building AVFoundation Movies 14 Creating a Pixel Buffer 16 Drawing into the Pixel Buffer 17 Expressive Drawing 18 Building Movies from Frames 19 Adding Images to Movies 23 Wrap-up 24 Chapter 2: Dynamic Typography 25 Type Size and User Needs 25 How Dynamic Type Works 25 Listening for Type Updates 28 Handling Dynamic Type with Attributes 31 Scanning for Text Style Ranges 32 Applying Text Style Ranges 34 Attribute-Ready Dynamic Elements 35 Custom Fonts Faces 36 Dynamic Text Views 37 Custom Sizing 38 Font Descriptors 39 Descriptor Challenges 40 Fonts with Multiple Variations 41 Using String Attributes to Modify Fonts 42 Dynamic Type Gotchas 43 Wrap-up 43 Chapter 3: Text Kit 45 Creating Complex Text Layouts 45 Glyphs 46 Text Storage 55 Layout Managers 56 Text Containers 56 Adaptive Flow 58 Insets 60 Exclusion Paths 60 Bounding Rectangles 62 Using Text Kit to Add Touch to Labels 63 Establishing Text Kit 63 Synchronizing 64 Translating Coordinates 65 Glyphs and Characters 66 Checking for Links 67 Adding Visual Feedback 67 Draggable Exclusion Zones 69 Building PDFs with Text Kit 71 Printing Text View Data 73 Printing PDF Data 74 Wrap-up 74 Chapter 4: Attributed Strings and Document Containers 75 Class Enhancements 75 String Attachments 77 Building Attributed Strings from HTML 78 Document Type Dictionaries 79 Converting HTML Source to Attributed Strings 80 Converting Attributed Strings to Document Representations 81 Generating HTML from Attributed Strings 82 Markup Initialization 83 RTF and RTFD 83 The RTFD Container 84 Initializing Attributed Strings from a File 84 Converting RTFD Text to Data 85 Writing RTFD Containers from Data 86 Inspecting Attributes 87 Establishing Document Attributes 89 Enhancing Attributed Strings 91 Returning Copies with New Attributes 92 Adjusting Attributes 93 Extending Mutable Attributed Strings 94 Text Ranges 95 Calculating Positions 95 Position Geometry 95 Updating Selection Points 97 Hardware Key Support 97 Wrap-up 99 Chapter 5: Animation 101 Keyframe Animation 101 Building Physics with Keyframes 103 Blocking Animators 105 UIKit Spring-Based Animations 106 Practical Uses for Spring Animations 108 System Animations 109 Motion Effects 109 Building Planes 110 Shadow Effects 111 Custom Transition Animations 113 Delegation 114 Building Transitioning Objects 114 Implicit Animations 116 Building an Animation-Ready Layer 116 Building a View Around a Layer 118 Timing 118 Coordinating Animations 119 Building Implicit Completion Blocks 120 Animating Custom Properties 121 Intercepting Updates 122 Drawing Properties 123 Wrap-up 124 Chapter 6: Dynamic Animators 125 Physics-Based Behaviors 125 Building Dynamics 126 Detecting Pauses 127 Creating a Frame-Watching Dynamic Behavior 131 Implementing Snap Zones 133 Leveraging Real-World Physics 135 Connecting a Gravity Behavior to Device Acceleration 137 Creating Boundaries 138 Enhancing View Dynamics 138 Custom Behaviors 139 Creating Custom Dynamic Items 139 Subverting Dynamic Behaviors 141 Better Custom Dynamic Behaviors 142 Custom Secondary Behaviors 144 Collection Views and Dynamic Animators 147 Custom Flow Layouts 147 Returning Layout Attributes 148 Updating Behaviors 149 Building a Dynamic Alert View 150 Connecting Up the Jelly 150 Drawing the View 152 Deploying Jelly 154 Wrap-up 154 Chapter 7: Presentations 155 Alerts 155 Class Deprecations 155 Building Alerts 156 Enabling and Disabling Alert Buttons 161 Adding Text Fields 162 Mask Views 164 Shape Layer Masking 164 Building Mask Views 166 Building Effect Views 169 Building a Blur Effect 170 Adding Vibrancy Effects 171 Animating Effect Views 172 Building Popovers 175 Supporting Bubbles 176 Presenting Popovers 177 Wrap-up 177 Chapter 8: Shape Magic 179 How to Shape a View 179 Expanding Beyond Circles 180 Resizing Bezier Paths 180 Building a Bezier-Based Shape Image View 184 Working with Unclosed Shapes 185 Adding Borders to Shaped Views 187 Building Shaped Buttons 190 Adding Attention-Grabbing Animations to Shaped Views 193 Wrap-up 199 Chapter 9: Adaptive Deployment 201 Traits 201 Trait Properties 202 Defining Traits 202 Combining Trait Collections 203 Designing for Traits 204 UIScreen Properties 205 Coordinate Spaces 205 Application Frame 206 Screen Bounds 206 Scale 207 Rotation 207 Size Classes and Assets 208 Basic Deployment 208 UIKit and Image Views 210 The UIImageAsset Class 210 Building Images from PDFs 211 Overriding Trait Collections 214 Building Side-by-Side iPhone Split Views 215 A Bit More About iOS 8 Split View Controllers 218 Wrap-up 219 Chapter 10: Development Helpers 221 All the Lorems 221 Placeholder Text 221 Image Ipsums 223 Generating Random User Data 225 Bulk Names 225 Generating Random Feeds 227 Random Everything 228 Directives 229 Converting Comments to Warnings 229 Warnings 231 Testing for the Simulator 232 Errors 232 Testing for Inclusion 233 Messages 234 Wrapping Pragmas 234 Overriding Diagnostics 235 Unused Variable Warnings 235 Marking Non-null and Nullable Items 236 Developer Tweaks 236 Saving Files from the Simulator 237 Tighter Logging 238 Wrap-up 238 Chapter 11: A Taste of Swift 239 Swift Versus Objective-C 239 Building iOS Apps in Swift 240 Optionals 243 Inferred Types 244 The Optional Enumeration 245 Unwrapping Optionals 246 Assigning Values to Non-optionals 248 Cocoa Touch Patterns 248 Hybrid Language Development 251 Calling Objective-C from Swift 252 Accessing Classes 252 Calling Swift from Objective-C 253 Preparing Swift for Objective-C 254 Class Descent 255 Building the Basics 256 Watching Progress 257 Learning Swift 259 Wrap-up 260 Index 261
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