programming in objective c 2 0 3rd edition

... Object-oriented programming (Computer science) Macintosh (Computer) Programming I Title QA76.73.O115K63 2009 005.1'17 dc22 2008049771 Printed in the United States of America First Printing December ... computers since the introduction of the first Mac in 1984, and he wrote Programming C for the Mac as part of the Apple Press Library In 2003 Kochan wrote Programming in Objective-C (Sams, 2003), and ... Inc Library of Congress Cataloging-in-Publication Data: Kochan, Stephen G Programming in Objective-C 2.0 / Stephen G Kochan 2nd ed p cm ISBN 978-0-321-56615-7 (pbk.) Objective-C (Computer program

Ngày tải lên: 12/08/2014, 23:22

... of w1clusive-ORed with w2would be hexadecimal e8, as illustrated:Ex-w1 0000 0000 0101 1110 0x5e w2 0000 0000 1011 0110 ^ 0xd6 ———————————————————————————————————— 0000 0000 1110 1000 0xe8 The ... hexa-w1 0000 0000 0001 1001 0x19 w2 0000 0000 0110 1010 | 0x6a ————————————————————————————————————— 0000 0000 0111 1011 0x7b Bitwise Inclusive-ORing, frequently called just bitwise ORing, is used ... w2; You can see this more easily by treating the values of w1,w2, and w3as binary numbers Assume that you are dealing with a short intsize of 16 bits: w1 0000 0000 0001 0101 0x15 w2 0000 0000

Ngày tải lên: 12/08/2014, 23:22

... 8.5 Output Origin at (100, 200) Origin at (50, 50) You changed the XYPoint myPoint from (100, 200) in the program to (50, 50), and apparently it also changed the rectangle’s origin! But why did ... Inheritance 100 200 x y myPoint Figure 8.5 The XYPoint myPoint in memory [myPoint setX: 100 andY: 200]; [myRect setWidth: 5 andHeight: 8]; myRect.origin = myPoint; NSLog (@”Origin at (%i, %i)”, myRect.origin.x, ... *myRect = [[Rectangle alloc] init]; XYPoint *myPoint = [[XYPoint alloc] init]; [myPoint setX: 100 andY: 200]; [myRect setWidth: 5 andHeight: 8]; myRect.origin = myPoint; NSLog (@”Rectangle w =

Ngày tải lên: 12/08/2014, 23:22

... particular compiler that is being used: #if !defined(NS_INLINE) #if defined( GNUC ) #define NS_INLINE static #elif defined( MWERKS ) || #define NS_INLINE static #elif defined(_MSC_VER) #define NS_INLINE ... defined(_MSC_VER) #define NS_INLINE static #elif defined( WIN32 ) #define NS_INLINE static #endif #endif inline_attribute_((always_inline)) defined( cplusplus) inline inline inline Simpo PDF Merge and Split ... #define printx(n) printint(x ## n) The invocation printx (10); first expands into printint (x10); and then into printf (”x10” “ = %i\n”, x10); and finally into the following:... TWO_PI is defined

Ngày tải lên: 12/08/2014, 23:22

... [[NSAutoreleasePool alloc] init]; void copyString (char *to, char *from); char string1[] = “A string to be copied.”; char string2[50]; copyString (string2, string1); NSLog (@”%s”, string2); copyString... in the ... null character, inside corresponding... unusual constructs in the Objective-C programming language is the union.This construct is used mainly in more advanced programming applications ... 2 ; char string2[50]; copyString (string2, string1); NSLog (@”%s”, string2); copyString (string2, “So is this.”); NSLog (@”%s”, string2); [pool drain]; return 0; } Program 13.13 Output A string

Ngày tải lên: 12/08/2014, 23:22

... respect to the Rectangle class owning its origin object in Chapter 8,“Inheritance.” Defining the two methods in the following way would also be an incorrect approach because the AddressCard ... [[AddressCard alloc] init]; AddressCard *card2 = [[AddressCard alloc] init]; [card1 setName: aName andEmail: aEmail]; [card2 setName: bName andEmail: bEmail]; [card1 print]; [card2 print]; [card1 ... NSString *dEmail = @”jbaker@kochan-wood.com”; AddressCard *card1 = [[AddressCard alloc] init]; AddressCard *card2 = [[AddressCard alloc] init]; AddressCard... exists Set Objects A set is a collection

Ngày tải lên: 12/08/2014, 23:22

... myInt = [myArr ObjectAtIndex: 0]; [myArr removeObjectAtIndex: 0] That’s because, in this case, the object referenced by myInt can become invalid after the removeObjectAtIndex: method is invoked ... [myInt retainCount]); [pool drain]; return 0; } Program 17.1 Output myInt retain count = 1 after adding to array = 2 after asssignment to myInt2 = 2 myInt after retain = 3 myInt2 after retain ... Reference Counting and Strings Program 17.2 shows how reference counting works for string objects. Program 17.2 // Reference counting with string objects #import <Foundation/NSObject.h>

Ngày tải lên: 12/08/2014, 23:22

... 21.4, and in your Xcode main window, notice a file called MainWindow.xib.An xib file contains all the information about the user interface for your program, including information about its windows, ... The MainWindow.xib window (Figure 21.7) is the controlling window for establishing connections between your application code and the interface, as you’ll see shortly. Figure 21.6 Interface Builder ... not currently se- lected, click the label you just created to select it. Notice that the Inspector window auto- matically changes to give you information about the currently selected object in

Ngày tải lên: 12/08/2014, 23:22

... function call with the actual code for the function itself, thus providing for faster execution.An example is shown here: inline int min (int a, int b) {... contain the converted floating-point ... interface declaration for a class called Point containing four instance variables: @interface Point: NSObject { @private int internalID; @protected float x; float y; @public BOOL valid; } The internalID ... moveToPoint ((struct point) {.x = 0, y = 0}); Types other than structures can be defined as well—for example, if intPtr is of type statement int *, the intPtr = (int [100 ]) {[0] = 1, [50] = 50, [99]

Ngày tải lên: 12/08/2014, 23:22

... 9 2.1 Classes and Objects 10 2.1.1 Declaring Classes 10 2.1.2 Creating Objects 11 2.2 Access Modifiers 12 2.2.1 Controlling Access to Classes 12 2.2.2 Controlling Access to Class Members 12 2.3 ... Synchronizing Threads 200 10 Reflection and Attributes 211 10 .1 Reflection 211 10 .1. 1 Examining the Reflection Hierarchy 212 10 .1. 2 Accessing Assemblies 212 10 .2 Attributes 215 10 .2 ... Reflection 2 21 10.3 Where to Go from Here 223 A C# 2.0 Grammar 227 A .1 Lexical Grammar 227 A .1. 1 Line Terminators 228 A .1. 2 White Space 228 A .1. 3 Comments 228 A .1. 4 Tokens 228 A

Ngày tải lên: 05/08/2014, 10:20

... 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 namespace NA { public class PublicClass... compilation unit is called NB.cs It contains a single class called Usage with only a single ... method called Main Within Main, all methods for each class in NA.cs are invoked 1 2 namespace NB { using NA; ■ 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 class ... and class members, casting a particular eye on internal access The first compilation unit called NA.cs contains three classes, one each for public, internal,... arguments is formatted according

Ngày tải lên: 05/08/2014, 10:20

... Console.WriteLine("|{0:#.00}|{1:0.00}|{2,5:0.00}|{3,-5:0.00}|", 23, 23, 23, 23); } } Output: |$1.23|($1.23)| |123|-0123| |1.23|1.2300| |1.230000E+000|1.23| |123.00 %|1.23| |FF|000FF| FF|FF | |.23|0.23| 0.23|0.23 | ... signed 32-bit unsigned 64-bit signed 64-bit unsigned 32-bit floating-point 64-bit floating-point high precision false \u0000 0 0 0 0 0.0 0.0 0.0 n.a \u0000 \uFFFF -128 127 255 -32768 32767 65535 -2147483648 ... public class Counter { public Counter() public Counter(int count) public int GetCount() public void SetCount(int count) private int { { { { SetCount(0); } SetCount(count); } return count; } this.count

Ngày tải lên: 05/08/2014, 10:20

... sc2.ToString()); DeepCopy dc1 = new DeepCopy(v2); DeepCopy dc2 = (DeepCopy)dc1.Clone(); v2.Inc(); Console.WriteLine("dc1.ToString = {0}", dc1.ToString()); Console.WriteLine("dc2.ToString = {0}", dc2.ToString()); ... 20 21 22 23 24 25 26 27 28 29 30 31 Chapter 4: Unified Type System ■ using System; public class Counter { public void Inc() { count++; } private int count; } public class NamedCounter { public ... subobjects owned by two different objects dc1 and dc2 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 using System; public class Value { public void Inc()

Ngày tải lên: 05/08/2014, 10:20

... About Categories 22 5 Protocols and Delegation 22 6 Delegation 22 9 Informal Protocols 22 9 Composite Objects 23 0 Exercises 23 1 12 The Preprocessor 23 3 The #define Statement 23 3 More Advanced Types ... 429 Using NSData to Create Custom Archives 436 Using the Archiver to Copy Objects 439 Exercises 441 20 Introduction to Cocoa and Cocoa Touch 443 Framework Layers 443 Cocoa Touch 444 21 Writing ... Protocol 418 Copying Objects in Setter and Getter Methods 421 Exercises 423 19 Archiving 425 Archiving with XML Property Lists 425 Archiving with NSKeyedArchiver 427 Writing Encoding and Decoding Methods...

Ngày tải lên: 18/02/2014, 12:20

... language) 2. Object-oriented programming (Computer science) 3. Macintosh (Computer) Programming. 4. iPhone (Smartphone )Programming. I. Title. QA76.73.O11 5C5 8 20 11 00 5.1'17dc 22 201 001 93 60 Copyright ... Objects,” covers defining classes, and creating and copying object instances. It also covers inheritance, the process of defining a class by ex te nd- ing an existing class, rather than starting ... Objective- C 191 11 Categories, Extensions, and Security 21 3 12 Properties 22 9 13 Protocols 24 9 III: Advanced Concepts 26 5 14 Reference Counting 26 7 15 Garbage Collection 29 1 16 Blocks 309 Download...

Ngày tải lên: 16/02/2014, 00:20

... Objective- C 9 Cross-Platform Support 12 Compiling Objective- C Programs 14 2 An Objective- C Primer 17 Declaring Objective- C Typ es 18 Sending Messages 22 Understanding Selectors 26 Declaring Classes ... 21 4 Using Exception Objects 21 6 Managing Memory with Exceptions 21 8 Passing Error Delegates 22 1 Returning Error Values 22 2 Using NSError 22 3 13 Accessing Directories and Files 22 7 Reading a File 22 8 Moving ... Paths 20 1 Observing Keys 20 3 Ensuring KVO Compliance 20 5 12 Handling Errors 20 9 Runtime Differences for Exceptions 21 0 Wow! eBook <WoweBook.Com> ptg651 923 9 30 CHAPTER 2: An Objective- C Primer with...

Ngày tải lên: 06/03/2014, 07:20

... (Access Control) 22 0 Access Control for Methods 22 1 Namespaces 22 1 Security 22 2 Calling C Functions from Objective- C 22 4 Tec hni cal 22 5 Practical 22 5 Philosophical 22 5 Summary 22 6 Exercises 22 6 12 Properties ... language) 2. Object-oriented programming (Computer science) 3. Macintosh (Computer) Programming. 4. iPhone (Smartphone )Programming. I. Title. QA76.73.O11 5C5 8 20 11 00 5.1'17dc 22 201 001 93 60 Copyright ... structs 24 5 Summary 24 6 Exercises 24 7 13 Protocols 24 9 Protocols 24 9 Using Protocols 25 0 Declaring a Protocol 25 0 Adopting a Protocol 25 1 Protocols as Types 25 2 Properties and Protocols 25 2 TablePrinter...

Ngày tải lên: 15/03/2014, 20:20

... of programming in Objective- C rests on the extensive frameworks that are available. Chapter 2, Programming in Objective- C, ” begins by teaching you how to write your first program in Objective- C. Because ... and Methods 27 What Is an Object, Anyway? 27 Instances and Methods 28 An Objective- C Class for Working with Fractions 30 The @interface Section 33 Choosing Names 34 Class and Instance Methods ... two lines in main both declare the variables ptg999 22 Chapter 2 Programming in Objective- C If you’re using Xcode and you glance back to your output window (refer to Figure 2. 9), you’ll recall...

Ngày tải lên: 29/04/2014, 15:25

... Romano Printing History: July 20 01 : First Edition. February 20 02 : Second Edition. May 20 03 : Third Edition. February 20 05 : Fourth Edition. December 20 07 : Fifth Edition. August 20 10: Sixth Edition. ... . . . 22 1 Arrays 22 1 Construction and Initialization 22 2 Custom Types in Arrays 22 5 Array Members 23 0 Array Size 23 6 List<T> 24 3 Custom Indexers 24 7 Finding and Sorting 25 3 Collections ... 191 Returning Error Values 194 Debugging with Return Values 20 0 Exceptions 20 1 Handling Exceptions 20 7 When Do finally Blocks Run? 21 4 Deciding What to Catch 21 5 Custom Exceptions 21 8 Summary 22 0 7....

Ngày tải lên: 24/04/2014, 15:52