Download Beginning Mac Programming: Develop with Objective-C and by Tim Isted PDF

By Tim Isted

Beginning Mac Programming takes you thru concrete, operating examples, providing you with the middle ideas and ideas of improvement in context so that you should be able to construct the purposes you've been imagining. It introduces you to Objective-C and the Cocoa framework in transparent, easy-to-understand classes, and demonstrates how one can use them jointly to jot down for the Mac, in addition to the iPhone and iPod.

You'll discover the most important developer instruments like Xcode and Interface Builder, and examine the foundations of object-oriented programming, and the way reminiscence, facts, and garage paintings that will help you construct your software.

If you've ever desired to strengthen software program for the Mac, this e-book is for you.

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Extra info for Beginning Mac Programming: Develop with Objective-C and Cocoa (Pragmatic Programmers)

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We might define such a house blueprint like this: • Name: House • Assignable attributes: doorColor, address • Functionality: foundations, walls, roofing In object-oriented programming, this blueprint is called a class description. All houses that are built from this class description are then referred to as instances of the House class. This is important terminology, and you need to make certain you understand the distinction between a “class” and any “instances” of that class. So, in our realworld example, we have our House class (the architectural blueprint for any houses belonging to that class) and the instances—houses A, B, and C.

All we’ve done so far is define the code that would be called if the displaySomeText message was received, but it never is. 2 The Target-Action Mechanism Our aim is to send the displaySomeText message to our NotifyingClass object when the user clicks a button in our TextApp application. The 59 T HE T ARGET -A CTION M ECHANISM Cocoa framework provides us with a nifty little technique to help with this, called target-action. Certain objects offered by the Cocoa framework allow you to provide them with a target object and specify an action—a message to be sent to that object.

If there are any unsaved changes in any of the project’s files, use this command to save them all at once. Connecting the Action in Interface Builder Now that we’ve defined our NotifyingClass class instances to respond to an action message for displaySomeText, we’ll use Interface Builder to connect things visually. Let’s start by adding a button to our existing TextApp window. xib, and make sure TextApp’s Window object with the text view is visible. 2: The new push button in our Text App main window You will need to make that text view a little smaller by dragging up the bottom handle so there’s room for a button underneath it.

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