iPhone Open Application Development: Write Native by Jonathan Zdziarski

By Jonathan Zdziarski

At 268 pages, this booklet is shorter than many programming books.

It describes constructing for an open (jailbroken) iPhone. After the 1st version bought out, this can be the model with minor updates for the iPhone 2.x firmware. This publication teaches you in regards to the iPhone APIs utilized by the integrated Apple purposes, yet you need to be conscious that it doesn't objective the Apple iPhone SDK, and doesn't consultant you in constructing apps for the AppStore, even though the code will in general be acceptable for AppStore applications.

It starts off with an outline of the method of jailbreaking, getting the compiler manage both at the Mac (hard) or the iPhone itself (trivial: http://soi.kd6.us/2008/09/27/so-i-made-my-iphone-say-hello-world/) and an advent to Objective-C.

This booklet provides many whole instance courses utilizing many of the iPhone UIKit controls, and provides info on Quartz (2d images) and the sound libraries.

It doesn't describe OpenGL ES (for high-performance/3D pix) or net functions and APIs.

I came across occasional enhancing mistakes - greater than i would count on in an O'Reilly moment version, starting from typos (Quarts rather than Quartz) to previous textual content describing an up-to-date code instance, to copy-and-paste mistakes among related sections. not anything too egregious, yet distracting.

I record this booklet and different books that focus on the SDK in my Amazon shop: http://astore.amazon.com/iaw-20

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Extra info for iPhone Open Application Development: Write Native Applications Using the Open Source Tool Chain

Sample text

In this example application, a navigation bar will be created in an application's view and assigned a Mute button. When the button is selected, the button will be changed to red and will also change the title to reflect that the spouse is muted. m -lobjc \ -framework CoreFoundation -framework Foundation -framework UIKit Example 3-7. h> @interface MainView : UIView { UINavigationBar *navBar; UINavigationItem *navItem; BOOL isMuted; } /* Our navigation bar */ /* Navigation bar title */ /* Is mute turned on?

3. html is opened using POSIX C's fopen method. 4. If the file cannot be found, a red color is created and an error message is set as the text of the window. 5. If the file is found, it is read into a text buffer and then set as the HTML content of the window. 6. The text view itself is added as a subview to the controlling view, where it is displayed to the user. 6. Further Study Here are some productive ways to play with this example: • Copy your favorite website's HTML over to the iPhone using SCP.

This displays the view, which presently has no content. 4. " example showed the very minimal code needed to construct and display a window/view pair. Because the UIView class itself is merely a base class, it didn't actually display anything. To create a useful application, a new class can be derived from UIView, allowing its methods to be overridden to add functionality. This controlling view can then display other objects, such as text boxes, images, and so on. To derive a subclass from UIView, write a new interface and implementation declaring the subclass.

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