PART 1 BASICS AND NECESSITIES. ..............................................1
1 ■ Introduction to iOS development 3
2 ■ Views and view controller basics 24
3 ■ Using storyboards to organize and visualize your views 50
4 ■ Using and customizing table views 78
5 ■ Using collection views 103
PART 2 BUILDING REAL-WORLD APPLICATIONS .......................121
6 ■ Retrieving remote data 123
7 ■ Photos and videos and the Assets Library 145
8 ■ Social integration with Twitter and Facebook 178
9 ■ Advanced view customization 204
10 ■ Location and mapping with Core Location and MapKit 224
11 ■ Persistence and object management with Core Data 248
PART 3 APPLICATION EXTRAS ................................................281
12 ■ Using AirPlay for streaming and external display 283
13 ■ Integrating push notifications 303
14 ■ Applying motion effects and dynamics 316
v
contents
preface xi
acknowledgments xii
about this book xiv
about the cover illustration xvii
PART 1 BASICS AND NECESSITIES . ..................................1
1 Introduction to iOS development 3
1.1 Developing for iOS 4
Different kind of design interaction 4 ■ Getting ready
to develop for iOS 5
1.2 Creating your first iOS application 5
Creating the Hello Time application in Xcode 5 ■ Creating the
application interface 7 ■ Connecting your user interface
to your code 11 ■ Implementing the clock functionality 12
Building and running your application 13
1.3 iOS development fundamentals 14
Object-oriented programming 15 ■ Objective-C syntax and
message passing 15 ■ The Model-View-Controller pattern 17
Frameworks introduction 17
vi CONTENTS
1.4 Overview of Apple’s development tools 18
Creating different types of projects in Xcode 18 ■ Getting familiar
with Xcode’s workspace 19 ■ iOS Simulator 20
1.5 Summary 23
2 Views and view controller basics 24
2.1 Enhancing Hello Time 25
Switching between night and day modes 25 ■ Adding support
for landscape mode 30
2.2 Introducing views 31
Screens, windows, and views 32 ■ Views and the coordinate
system 33 ■ User interface controls 35 ■ Responding to actions
and events 35 ■ Custom tint colors 38
2.3 View controller basics 38
Introducing view controllers 38 ■ The view controller lifecycle 39
Different types of view controllers 41 ■ Different status
bar styles 43
2.4 Supporting different orientations 45
Enabling support for portrait and landscape 45
Updating your views for different orientations 47
2.5 Summary 48
3 Using storyboards to organize and visualize your views 50
3.1 Building a task management app 51
Creating the Tasks app project in Xcode 51 ■ Creating the
interface for listing tasks 51 ■ Adding a navigation
controller 56 ■ Creating and viewing a task 58
Connecting your views within the storyboard 62
3.2 Exploring Xcode’s interface editor 67
Overview of Xcode’s interface editor 67
The inspector sections 68
3.3 Using storyboards to manage your views 71
How does storyboarding benefit you? 71 ■ Scenes within
storyboards 73 ■ Transitioning between scenes with segues 73
Passing data between view controllers with segues 75
Problems with using storyboarding 76
3.4 Summary 77
CONTENTS vii
4 Using and customizing table views 78
4.1 Introduction to table views 79
Anatomy of a table view 80
4.2 Using table views to display data 82
Setting up your Albums application 82 ■ Providing data
through a data source 86 ■ Custom table view cells
with prototype cells 90
4.3 Managing selection and deletion within a table view 96
Deleting rows within a table view 97 ■ Handling the selection
and deselection of rows 100
4.4 Summary 101
5 Using collection views 103
5.1 Introducing collection views 104
5.2 Using collection views to display data 106
Adding a UICollectionViewController as a new scene 107
Supplying a collection view with data 107 ■ Creating a custom
collection view cell 113
5.3 Customizing a collection view layout 116
Collection view flow layouts 117 ■ Using the flow layout
delegate protocol 118
5.4 Summary 120
PART 2 BUILDING REAL-WORLD APPLICATIONS ...........121
6 Retrieving remote data 123
6.1 Retrieving data using NSURLSession 124
6.2 Understanding data serialization and interacting with
external services 131
6.3 Advanced HTTP requests 134
6.4 Using web views to display remote pages 138
6.5 Popular open source networking libraries 142
AFNetworking 143 ■ RestKit 143
6.6 Summary 144
viii CONTENTS
7 Photos and videos and the Assets Library 145
7.1 Overview of the Assets Library framework 146
The Assets Library, groups, and individual assets 147
Setting up the Media Info project 150
7.2 Retrieving photos and videos with the image picker 155
Preparing and presenting the image picker controller 156
Selecting assets from the image picker 159
7.3 Capturing photos and videos with the camera 161
Checking for camera availability 162 ■ Taking photos
and videos with the camera 164 ■ Saving newly captured
photos and videos to the Assets Library 166
7.4 Retrieving assets and accessing metadata 169
Setting up your view to display the metadata 169
Retrieving an asset from the Assets Library 171
Accessing metadata for photos and videos 173
7.5 Summary 176
8 Social integration with Twitter and Facebook 178
8.1 Accessing accounts with the Accounts framework 179
Accessing Twitter accounts and account properties 180
Accessing Facebook accounts 186
8.2 Using the Social framework to post content 189
Posting to Twitter using the Tweet Composer view 190
Posting to Facebook 196
8.3 Making API requests with the Social framework 196
Retrieving a Twitter stream using an SLRequest 197
Retrieving a Facebook news feed 200
8.4 Summary 203
9 Advanced view customization 204
9.1 Going beyond the Interface Builder
with custom views 205
9.2 Creating basic animations 212
9.3 Using advanced animation techniques 219
9.4 Summary 223
CONTENTS ix
10 Location and mapping with Core Location and MapKit 224
10.1 Introduction to the Core Location framework 225
Representing a location with CLLocation 226 ■ The location
manager 227 ■ Setting up Speed Map in Xcode 230
10.2 Retrieving location, heading, and speed 233
Retrieving your current location with the location manager 233
Geocoding a location 237
10.3 Introduction to the MapKit framework 240
Using the map view to display a map 240 ■ Retrieving user
location using MapKit 242 ■ Using annotations in a map 242
Adding a map to your application 244
10.4 Summary 247
11 Persistence and object management with Core Data 248
11.1 Introduction to Core Data 249
Differences between Core Data and traditional databases 250
What Core Data doesn’t do well 251 ■ Setting up your
application 252
11.2 Managed objects, entities, relationships 255
Managed object models and contexts 256 ■ Entities and
managed objects 258 ■ Relationships between entities 261
Generating managed object classes for your entities 263
11.3 Working with managed objects 265
Creating, updating, and deleting managed objects 266
Using fetch requests to retrieve managed objects 268
Filtering results using predicates 269 ■ Using a fetched
results controller to manage results in a table view 270
Adding and removing tasks from a list 274
11.4 Summary 280
PART 3 APPLICATION EXTRAS.....................................281
12 Using AirPlay for streaming and external display 283
12.1 Introduction to AirPlay 284
Examples of AirPlay integration 284 ■ Setting up
your application 286
x CONTENTS
12.2 Controlling and enabling AirPlay output 290
Enabling AirPlay support using built-in media players 290
Displaying an AirPlay controller to a view 291 ■ Streaming audio
to an AirPlay destination in your application 292
12.3 Using external screens with AirPlay 295
Creating a custom view controller for external screens 296
Displaying content on an external screen 298
12.4 Summary 301
13 Integrating push notifications 303
13.1 Apple’s Push Notification service 304
13.2 Configuring your app to send and receive
push notifications 306
13.3 Sending push notifications 309
13.4 Registering and scheduling local notifications 313
13.5 Summary 315
14 Applying motion effects and dynamics 316
14.1 Creating your application 317
14.2 Using motion effects 318
Adding the parallax effect 318
14.3 Using UIKit Dynamics 322
Introduction to UIKit Dynamics 322 ■ Applying the
gravity behavior 323 ■ Applying a collision behavior 325
Adding dynamic behavior 325 ■ Creating a custom
UIDynamicBehavior subclass 328
14.4 Summary 329
appendix 331
index 342
