iOS Programming · the Big Nerd Ranch Guide (4th Edition) (Big Nerd Ranch Guides) by Conway, Joe -- Read -- Imperial Library of Trantor

Index

Title Page Acknowledgments Introduction

Prerequisites What has Changed in the Fourth Edition? Our Teaching Philosophy How to Use This Book Using an eBook How This Book is Organized Style Choices Typographical Conventions Necessary Hardware and Software

1. A Simple iOS Application

Creating an Xcode Project Model-View-Controller Designing Quiz Creating a View Controller Building an Interface

Creating view objects Configuring view objects NIB files Making connections

Declaring outlets Setting outlets Defining action methods Setting targets and actions Summary of connections

Creating Model Objects

Using code-completion

Pulling it all Together

Implementing action methods Getting the view controller on the screen

Running on the Simulator Deploying an Application Application Icons Launch Images

2. Objective-C

Objects Using Instances

Creating objects Sending messages Destroying objects

Beginning RandomItems

Creating and populating an array Iterating over an array Format strings

Subclassing an Objective-C Class

Creating an NSObject subclass Instance variables Accessing instance variables

Using dot syntax

Class vs. instance methods Overriding methods Initializers

The designated initializer instancetype id Implementing the designated initializer self super Confirming initialization success Instance variables in initializers Other initializers and the initializer chain Using initializers

Class methods Testing your subclass

More on NSArray and NSMutableArray Exceptions and Unrecognized Selectors Challenges Bronze Challenge: Bug Finding Silver Challenge: Another Initializer Gold Challenge: Another Class Are You More Curious? For the More Curious: Class Names For the More Curious: #import and @import

3. Managing Memory with ARC

The Stack The Heap

ARC and memory management

Pointer Variables and Object Ownership

How objects lose owners

Changing a pointer Setting a pointer to nil The owner is destroyed Removing an object from a collection

Ownership chains

Strong and Weak References Properties

Declaring properties Property attributes

Multi-threading attribute Read/write attribute Memory management attribute

Custom accessors with properties

For the More Curious: Property Synthesis For the More Curious: Autorelease Pool and ARC History

4. Views and the View Hierarchy

View Basics The View Hierarchy Subclassing UIView

Views and frames

Custom Drawing in drawRect:

Drawing a single circle UIBezierPath Using the developer documentation Drawing concentric circles

More Developer Documentation Bronze Challenge: Draw an Image For the More Curious: Core Graphics Gold Challenge: Shadows and Gradients

5. Views: Redrawing and UIScrollView

The Run Loop and Redrawing Views Class Extensions Using UIScrollView

Panning and paging

6. View Controllers

Subclassing UIViewController

The view of a view controller Creating a view programmatically Setting the root view controller

Another UIViewController

Creating a view in Interface Builder

Creating view objects Loading a NIB file Connecting to File's Owner

UITabBarController

Tab bar items

UIViewController Initializers Adding a Local Notification Loaded and Appearing Views

Accessing subviews

Interacting with View Controllers and Their Views Bronze Challenge: Another Tab Silver Challenge: Controller Logic For the More Curious: Key-Value Coding For the More Curious: Retina Display

7. Delegation and Text Input

Text Fields

UIResponder Configuring the keyboard

Delegation Protocols Adding the Labels to the Screen Motion Effects Using the Debugger

Using breakpoints Stepping through code

Deleting breakpoints Setting an exception breakpoint

For the More Curious: main() and UIApplication Silver Challenge: Pinch to Zoom

8. UITableView and UITableViewController

Beginning the Homepwner Application UITableViewController

Subclassing UITableViewController

UITableView’s Data Source

Creating BNRItemStore Implementing data source methods

UITableViewCells

Creating and retrieving UITableViewCells Reusing UITableViewCells

Code Snippet Library Bronze Challenge: Sections Silver Challenge: Constant Rows Gold Challenge: Customizing the Table

9. Editing UITableView

Editing Mode Adding Rows Deleting Rows Moving Rows Bronze Challenge: Renaming the Delete Button Silver Challenge: Preventing Reordering Gold Challenge: Really Preventing Reordering

10. UINavigationController

UINavigationController An Additional UIViewController Navigating with UINavigationController

Pushing view controllers Passing data between view controllers Appearing and disappearing views

UINavigationBar Bronze Challenge: Displaying a Number Pad Silver Challenge: Dismissing a Number Pad Gold Challenge: Pushing More View Controllers

11. Camera

Displaying Images and UIImageView

Adding a camera button

Taking Pictures and UIImagePickerController

Setting the image picker’s sourceType Setting the image picker’s delegate Presenting the image picker modally Saving the image

Creating BNRImageStore NSDictionary Creating and Using Keys Wrapping up BNRImageStore Dismissing the Keyboard Bronze Challenge: Editing an Image Silver Challenge: Removing an Image Gold Challenge: Camera Overlay For the More Curious: Navigating Implementation Files

#pragma mark

For the More Curious: Recording Video

12. Touch Events and UIResponder

Touch Events Creating the TouchTracker Application Drawing with BNRDrawView Turning Touches into Lines

Handling multiple touches

Bronze Challenge: Saving and Loading Silver Challenge: Colors Gold Challenge: Circles For the More Curious: The Responder Chain For the More Curious: UIControl

13. UIGestureRecognizer and UIMenuController

UIGestureRecognizer Subclasses Detecting Taps with UITapGestureRecognizer Multiple Gesture Recognizers UIMenuController UILongPressGestureRecognizer UIPanGestureRecognizer and Simultaneous Recognizers For the More Curious: UIMenuController and UIResponderStandardEditActions For the More Curious: More on UIGestureRecognizer Silver Challenge: Mysterious Lines Gold Challenge: Speed and Size Mega-Gold Challenge: Colors

14. Debugging Tools

Gauges Instruments

Allocations instrument

Generation analysis

Time Profiler instrument Leaks instrument

Static Analyzer Projects, Targets, and Build Settings

Build configurations Changing a build setting

15. Introduction to Auto Layout

Universalizing Homepwner The Auto Layout System

Alignment rectangle and layout attributes Constraints

Adding Constraints in Interface Builder

Adding more constraints Adding even more constraints Priorities

Debugging Constraints

Ambiguous layout Unsatisfiable constraints Misplaced views

Bronze Challenge: Practice Makes Perfect Silver Challenge: Universalize Quiz For the More Curious: Debugging Using the Auto Layout Trace For the More Curious: Multiple XIB Files

16. Auto Layout: Programmatic Constraints

Visual Format Language Creating Constraints Adding Constraints Intrinsic Content Size The Other Way For the More Curious: NSAutoresizingMaskLayoutConstraint

17. Autorotation, Popover Controllers, and Modal View Controllers

Autorotation Rotation Notification UIPopoverController More Modal View Controllers

Dismissing modal view controllers Modal view controller styles Completion blocks Modal view controller transitions

Thread-Safe Singletons Bronze Challenge: Another Thread-Safe Singleton Gold Challenge: Popover Appearance For the More Curious: Bitmasks For the More Curious: View Controller Relationships

Parent-child relationships Presenting-presenter relationships Inter-family relationships

18. Saving, Loading, and Application States

Archiving Application Sandbox

Constructing a file path

NSKeyedArchiver and NSKeyedUnarchiver Application States and Transitions Writing to the Filesystem with NSData NSNotificationCenter and Low-Memory Warnings