Cocoa Programming for Mac OS X for Dummies by Erick Tejkowski

By Erick Tejkowski

Cocoa programming isn't just the well-liked improvement setting for Mac OS X, it’s additionally a main device for developing iPhone and iPod contact software program. That makes this a good time to profit Cocoa, and Cocoa Programming for Mac OS X For Dummies is the fitting position to start!

This ebook offers an outstanding starting place in Cocoa and the weird syntax of Objective-C. You’ll research what’s new in Cocoa frameworks and create an software step-by-step. for instance, you can:

• See how Xcode underlies your functions because the major portion of Apple’s IDE
• learn the fundamentals of the Objective-C language, the weather of a Cocoa interface, and object-oriented programming
• Use Xcode and Interface Builder
• Spruce up your apps with audio, video, net gains, stylized textual content, and more
• Create functions with the beautiful images for which Macs are famous
• See the way to construct apps with a number of records or even executables that aren’t conventional Mac apps
• Use all of the interesting new Cocoa features
• paintings with Cocoa numbers, arrays, Booleans, and dates
• construct document-based applications
• Simplify with key-value coding

The greater Cocoa programming, the higher the purposes you could create for Mac OS X, iPhone, and iPod contact. Cocoa Programming for Mac OS X For Dummies makes it effortless and fun!

Note: CD-ROM/DVD and different supplementary fabrics aren't integrated as a part of publication dossier.

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Quit the application to return to Xcode. 8. Choose Run➪Console to see the status of the last run. If your project executed without a hitch, the Console window displays a message like this: My First Project has exited with status 0. Chapter 3: Xcode The status 0 message indicates that Xcode encountered no errors during execution of the application. This is a good thing and means that your project is free from certain kinds of errors. If you’re using the Default layout, the Console window appears as a separate window, as shown in Figure 3-3.

Using a familiar document approach, Xcode lets you organize the components of a Cocoa project in one easy-to-use document. Figure 1-1 shows a Cocoa project opened in Xcode. ✓ You also use Xcode to write and edit Cocoa source code. When you write code for a project, Xcode guides you by coloring the syntax, indenting code automatically, and providing auto-completion features to reduce the amount of typing (and remembering) that you have to do. It also offers convenient one-click access to all the functions in your code, as shown in Figure 1-2.

The result of the mathematical operation is displayed in the third text field. You need not change the properties for the first two text fields, but the third one needs a minor adjustment. The answer to the calculation will appear in the third text field, so you need to make its contents unalterable by the user. 4. Select the third text field and then choose Tools➪Inspector to display the Inspector window. From the list of properties, deselect the Editable option (see Figure 2-10). The text field is now uneditable, as you might have guessed.

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