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Floating-point numbers

Tokens for displaying floating-point numbers

Functions for floating-point numbers

Challenge

7. Loops

The while loop

The for loop

break

continue

The do-while loop

Challenge

8. Addresses and Pointers

Getting addresses

Storing addresses in pointers

Getting the data at an address

How many bytes?

NULL

Stylish pointer declarations

Challenges

9. Pass By Reference

Writing pass-by-reference functions

Avoid dereferencing NULL

10. Structs

Challenge

11. The Heap

III. Objective-C and Foundation

12. Objects

Creating and using your first object

Message anatomy

Objects in memory

id

Challenge

13. More Messages

Nesting message sends

Multiple arguments

Sending messages to nil

Challenge

14. NSString

Challenge

15. NSArray

NSMutableArray

Challenges

16. Developer Documentation

Reference pages

Quick Help

Other options and resources

17. Your First Class

Accessor methods

Dot notation

Properties

self

Multiple files

Challenge

18. Inheritance

Overriding methods

super

Challenge

19. Object Instance Variables

Object ownership and ARC

Creating the Asset class

Adding a to-many relationship to Employee

Challenge

20. Preventing Memory Leaks

Retain cycles

Weak references

Zeroing of weak references

For the More Curious: Manual reference counting and ARC History

Retain count rules

21. Collection Classes

NSArray/NSMutableArray

Immutable objects

Sorting

Filtering

NSSet/NSMutableSet

NSDictionary/NSMutableDictionary

C primitive types

Collections and nil

Challenge

22. Constants

Preprocessor directives

#include and #import

#define

Global variables

enum

#define vs global variables

23. Writing Files with NSString and NSData

Writing an NSString to a file

NSError

Reading files with NSString

Writing an NSData object to a file

Reading an NSData from a file

24. Callbacks

Target-action

Helper objects

Notifications

Which to use?

Callbacks and object ownership

25. Protocols

26. Property Lists

Challenge

IV. Event-Driven Applications

27. Your First iOS Application

Getting started with iTahDoodle

BNRAppDelegate

Adding a C helper function

Objects in iTahDoodle

Model-View-Controller

The application delegate

Setting up views

Running on the iOS simulator

Wiring up the table view

Adding new tasks

Saving task data

For the More Curious: What about main()?

28. Your First Cocoa Application

Edit BNRDocument.h

A look at Interface Builder

Edit BNRDocument.xib

Making connections

Revisiting MVC

Edit BNRDocument.m

Challenges

V. Advanced Objective-C

29. init

Writing init methods

A basic init method

Using accessors

init methods that take arguments

Deadly init methods

30. Properties

Property attributes

Mutability

Lifetime specifiers

Advice on atomic vs. nonatomic

Key-value coding

Non-object types

31. Categories

32. Blocks

Defining blocks

Using blocks

Declaring a block variable

Assigning a block

Passing in a block

typedef

Return values

Memory management

The block-based future

Challenges

Anonymous block

NSNotificationCenter

VI. Advanced C

33. Bitwise Operations

Bitwise-OR

Bitwise-AND

Other bitwise operators

Exclusive OR

Complement

Left-shift

Right-shift

Using enum to define bit masks

More bytes

Challenge

34. C Strings

char

char *

String literals

Converting to and from NSString

Challenge

35. C Arrays

36. Command-Line Arguments

37. Switch Statements

Next Steps

Index

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