First impressions last, and the very first impression your users have of your iPhone application is the start up. First step is to have a nice Default.png, but not many…
The megahertz race is over, and instead we get more execution cores. This means that we as developers must make our applications parallel, in order to take advantage of the…
Regular expressions is a powerful tool for solving many problems related to text. It can be misused as any good tool, but there are moments when they are the best…
NSArray and NSMutableArray have methods for sorting arrays, NSArray returns new sorted arrays and NSMutableArray can be sorted in place. The sort methods comes in three flavours; using a function,…
Many Java developers are looking at new dynamic languages, such as Groovy and JRuby, mostly because of the freedom and rapid development that a dynamic language allows. Some of my…
The new release of iPhone OS 3.0 adds some nice API:s for managing a contextual toolbar. This is well needed as toolbars in the current iteration of iPhone OS is…
UITabBarController is generally used as is, no subclassing required. It creates a UITabBar and manages a list of UIViewControllers, keeping track of the tab in focus, UI creation and everything…
Many of the UIView subclasses in Cocoa, and especially Cocoa Touch are created by combining many different simple views into a more complex view. UITableViewCell is a good example, concisting…
I described in my previous post how you can change the class of a live object instance. The use-case was a workaround for bug in Cocoa Touch's UIKit. What if…
When developing SC68 Player for the iPhone I came upon a quite peculiar problem regarding the UIButton. First the preface I wanted to add a star button to the right…
Last friday I attended an excellent session at Øredev 2008, on Android by Mike Jennings from Google. At the end of the presentation Mike show the code for a simple…
HessianKit, an implementation of the Hessian binary web service protocol for Objective-C 2.0 have now been released under Apache License 2. It is available on sourceforge at: http://sourceforge.net/projects/hessiankit HessianKit is…