Add some polish to iPhone app start up
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…
Queued Background Tasks for Cocoa
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 and Cocoa
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…
Adding Sorted Inserts to Cocoa Arrays
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,…
Bridging the Gap Between Java and Cocoa
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…
UIToolbars in iPhone OS 2.x
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…
Proxy Based AOP for Cocoa Touch
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…
Finding Subview of a Particular Class in Cocoa
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…
UIButton troubles, a better solution
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…
UIButton troubles, and Obj-C magic
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…
Accelerometer and Vibration on the iPhone
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 Released
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…