iPhone SDK Development (The Pragmatic Programmers) by Bill Dudney

By Bill Dudney

This ebook is beautiful reliable, it begins nice, particularly nice. yet in a short time the e-book begins to is going off the rails.

General instance. you are following alongside the textual content, and with detective paintings you might have crammed in may possibly small gaps which they do not point out. you spot they did not point out anything within the worst method attainable. you'll want to discover by way of the functionality they point out within the textual content, and seeing which example variables they've got in it that you simply have been by no means advised to create.

It's now not that they are announcing, subsequent we made a few XIB records and tied them to UIViewControlers named X, Y.
I suggest they actually commence referencing customized sessions they by no means pointed out ahead of, in a functionality they paste into the books text.

Let me provide you with a concrete example:
CoreData bankruptcy, you are going alongside and filling within the gaps. then you definitely get to the Navigation subsection of CoreData, and instantly they are referencing now not one yet new UIViewControllers ( whole with customized XIB documents! ), that they by no means pointed out earlier than.

How do you discover out approximately it? good it truly is within the functionality you are typing into your editor as you learn the publication.
No point out what so ever!

They consult with the downloadable resource records for the sections of code, despite the fact that these xcode tasks are primarily whole models. So if you learn it, you cannot inform what you are alleged to have by means of now that they did not point out, and what comes later so you might now not copy.

Good booklet with respectable details, yet i believe they ran out of paper and clients are left to bet their method through rather than having the ability to specialise in the teachings.

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Additional resources for iPhone SDK Development (The Pragmatic Programmers)

Example text

Plist as a generic reference to whatever file was created for your application’s settings. 0 printing, September 2009) 41 W ORKING WITH X CODE AND I NTERFACE B UILDER troller), along with a few other classes that we’ll explain in the next sec- tion. xib, which contains the freeze-dried GUI for this class. nib file, but this time, we’re going to want to customize the class to provide some interactivity. Declaring IBOutlets and IBActions Our new application lets the user type his or her name into a text field.

If you have C primitives, you can pass them around Cocoa with the wrapper classes NSData and NSMutableData, which wrap a byte buffer, and NSNumber, an object container for any of C’s scalar (numeric) types, such as int, float, or bool. Cocoa has a few more specific data classes, including NSURL for URLs (including file://-style URLs representing items on the local filesystem, though you often use NSString paths too), and timekeeping classes such as NSDate and NSTimeZone. The “Touch” part of Cocoa Touch is largely represented by the UIKit framework, also imported by default in every iPhone application.

0 printing, September 2009) 45 W ORKING WITH X CODE AND I NTERFACE B UILDER Xcode has already set the class of File’s Owner as HelloUserViewController (which you can examine with the Identity inspector, D 4), and this is key to getting our code connected to our interface. The object that owns this nib and its customized view is a HelloUserViewController, and we just created actions and outlets in that class by editing its header file. That means IB knows that the File’s Owner will have those outlets and actions at runtime.

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