objective c video tutorial free download
Apress - Learn Objective-C on the Mac (2009)
... indicate a file that holds Objective- C code and will be pro-cessed by the Objective- C compiler. File names ending in .c are handled by the C compiler, and .cpp files are the province of the C+ + ... is a sequence of characters, usually human- readable, so you can probably guess (correctly) that an NSString is a sequence of characters in Cocoa. Learn Objective- C on the MacPenciled by ... Code /Download page of the Apress web site). This project is located in the 02.01 - Hello Objective- C folder.To create the project, start by launching Xcode. You can find the Xcode appli-cation...
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Tài liệu Learning Objective-C 2.0 pptx
... management used in Objective- C, and Objective- C 2.0’s newly added Blocks feature.Part I: Introduction to Objective- C nChapter 1, C, The Foundation of Objective- C, ” is a high-speed introduction to the ... a process on some computer. One of the characteristics that distinguishes Objective- C from other common languages, especially C+ +, is that Objective- C is a very dynamic language. “Dynamic” here ... Objective- C 2.0 offers you the choice between using a manual refer-ence counting system or automatic garbage collection for managing object memory. With the exception of Chapter 15, which covers...
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Tài liệu Programming in Objective-C - Fourth Edition ppt
... language source file.cc, .cpp C+ + language source file.h Header file.m Objective- C source file.mm Objective- C+ + source file.pl Perl source file.o Object (compiled) file Objective- C source files ... NSData to Create Custom Archives 436Using the Archiver to Copy Objects 439Exercises 44120 Introduction to Cocoa and Cocoa Touch 443Framework Layers 443Cocoa Touch 44421 Writing iOS Applications ... moresophisticated iOS applications.SupportIf you go to classroomM.com /objective- c, you’ll find a forum rich with content.Thereyou can get source code (note that you won’t find the “official” source code...
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C++ Language Tutorial pot
... under which circumstances. With the introduction of control structures we are going to have to introduce a new concept: the compound-statement or block. A block is a group of statements which are ... character into cout. In C+ + a new-line character can be specified as \n (backslash, n): cout << "First sentence.\n "; cout << "Second sentence.\nThird sentence."; ... a semicolon character (;) at the end, it will also be appended in all occurrences within the body of the program that the preprocessor replaces. Declared constants (const) With the const prefix...
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Objective-C 2.0 PHRASEBOOK pot
... produced pure C from Objective- C, classeswere turned into structure definitions describingthe layout of the objects. You can still see somelegacy of this in GCC error messages, which willoccasionally ... Support 12Compiling Objective- C Programs 142 An Objective- C Primer 17Declaring Objective- C Typ es 18Sending Messages 22Understanding Selectors 26Declaring Classes 28Using Protocols 33Adding ... new Objective- C keywords startwith an @ sign. This is because this symbol isnot allowed in C identifiers. Contrast this with C+ +, which introduces identifiers such as class,which breaks any C code...
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Objective-C Fundamentals pot
... Objective- C application. Since no automatic garbage collector is available, simple rules are discussedwhich will allow you to expertly craft applications without introducing memory leaks. Chapter ... classes to inherit from a common base class. Thisconcept is provided with a language construct called a protocol. Chapter 8 looks deeply at some of the aspects of Objective- C that make it unique.The ... ofthe box by Cocoa Touch, that can be used to store multiple pieces of related data. Chapter 5 covers how to create your own custom classes and objects. Learninghow to create your own classes is...
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Objective-C Recipes: A Problem-Solution Approach pptx
... ã ằ c- a. -c r+ , CD ::r 0 CD ~ a C& apos;" co _. 3 < 0 I CD en Dl 0 I -0 3 c: :: + _. \J 0 ti CD -~ JJ » CD "&apos ;C -"&apos ;C 0 ... At its core, this book is about exploring Objective- C in the language's natural environment. Objective- C has a story to tell in code that is about computer science and ... can feel clumsy at times, Objective- C will show you its power and reach with grace. Problems that seem intractable in other programming languages melt away in Objective- Co...
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C Programming Tutorial doc
... fraction */ Character constants Character literals are enclosed in single quotes e.g., 'x' and can be stored in a simple variable of char type. A character literal can be a plain character ... blocks of the C programming language, let us look a bare minimum C program structure so that we can take it as a reference in upcoming chapters. C Hello World Example A C program basically consists ... pointer from functions 87 C Strings 90 C Structures 93 Defining a Structure 93 Accessing Structure Members 94 Structures as Function Arguments 95 Pointers to Structures 96 C Unions 99 Defining...
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Objective-C Recipes doc
... point number in scientific notation) %c Unsigned char (unsigned 8-bit character) %C Unichar (16-bit character) %p Pointer (printed in hexadecimal) %% Escape character so you can print the ... name car you have : NSObject. This means that your car is a subclass of NSObject. In fact, NSObject is the root object in Objective- C and all CHAPTER 1: Application Development 31Choose Mac ... you can send the writeOutThisCarsState message to execute the code in the instance method. Car *newCar = [[Car alloc] init]; newCar.name = @"My New Car"; [newCar writeOutThisCarsState];...
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Praise for Learning Objective-C 2.0 potx
... 221 Namespaces 221 Security 222 Calling C Functions from Objective- C 224Tec hni cal 225Practical 225 Philosophical 225Summary 226Exercises 22612Properties 229Accessing Instance Variables ... Chapter 1 C, The Foundation of Objective- C NoteThe topic is beyond the scope of this book, but it is possible to mix Objective- C and C+ + code in the same program. The result is called Objective- C+ +. ... the Objective- C Cocoa frame-works. Even if you write the core of a Mac application in a different language, such as plain C or C+ +, your user interface layer should be written in Objective- C. ...
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Beginning Objective-C pot
... that in Objective- C a class is also a type of object; the compiler creates exactly one object for each class at compile-time. By convention, class names begin with an uppercase letter, such as ... classes. The only remaining change Objective- C makes to plain C is the addition of square braces around Objective- C method calls: [someObject doSomething]. Since no valid pure -C statement can ... used to scope the contents of functions and loops in C, and are used to enclose the contents of certain types such as structures or, in Objective- C, a class’s instance variables.In C, the keywords...
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Objective-C Fundamentals pptx
... categories 1386.7 Subclassing in your demo application 138Creating and subclassing CTLease 139Creating CTPeriodicLease as a subclass of CTLease 140Creating CTFixedLease as a subclass of CTLease ... from scratch for each application, Appleincludes in the SDK a set of support libraries collectively called Cocoa Touch. Ifyou’re an existing Java or .NET developer, you can view the Cocoa ... userinterface concepts by swapping controls around and reconnecting them to the class. If Xcode refuses to make a connection between a user interface control and anobject, the most probable cause...
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Beginning Mac Programming Develop with Objective-C and Cocoa doc
... writebasic contents in each file. On the left of this window, click Cocoa Class,and find the template called Objective- C class. Make sure this templateis selected, and click the Next button. You’ll ... need to, click the triangle to the left of each item toexpand it so that you can see the Classes group. This is where we’ll addour new class description.Right-click (or C- click) the Classes ... right-click with the mouse (or C- click) on the Text App icon that has appearedin the Dock at the bottom of your screen and choose Quit. These areall perfectly acceptable ways to exit the application,...
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Objective-C Steven Holzner ppt
... Using Constructors 976About Access Speciers . 100 Using Public Access 102 Using Private Access . 103 Using Protected Access . 105 Using Class Variables ... Objective- C, any code block—that is, code enclosed in curly braces such as function bodies or the bodies of if statements— denes its own scope, so local variables will always take precedence ... 107 Accessing the Current Object . 109 Creating a Variable for Multiple Object Types . 111 Verifying at an Object Belongs to a Class 113 Checking an Object's Class with isKindOfClass...
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