Objective-C Programming · the Big Nerd Ranch Guide (Big Nerd Ranch Guides) by Hillegass, Aaron -- Read -- Imperial Library of Trantor

Index

I. Getting Started

1. You and This Book

C and Objective-C How this book works How the life of a programmer works

2. Your First Program

Installing Apple’s developer tools Getting started with Xcode Where do I start writing code? How do I run my program? So what is a program? Don’t stop

II. How Programming Works

3. Variables and Types

Types A program with variables Challenge

4. if/else

Boolean variables else if For the More Curious: Conditional (ternary) operator Challenge

5. Functions

When should I use a function? How do I write and use a function? How functions work together Local variables, frames, and the stack Recursion Looking at the frames in the debugger return Global and static variables Challenge

6. Numbers

printf() Integers

Tokens for displaying integers Integer operations

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

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