Apple’s Ad Hoc distribution process is a godsend for iPhone beta-testing, but a right pain to use in practice.  I’ve tried several different approaches for creating and managing Ad Hoc testing; this article describes the one I now use for my National Rail Enquiries for iPhone application. (A note before we get started: This article assumes some pre-knowledge […]

As part of a recent iPhone project, I needed to find a point at a certain distance from one location in the direction of a second location.  I found the formulas I needed on Movable Type Ltd’s scripts page, and converted these into the appropriate Obj-C code to run on an iPhone using the iPhone SDK. I’m posting […]

I’m developing a new iPhone application. Part of the application needs a “filter a list of things” view. I’ve been looking at Apple’s approach for inspiration, most notably the Contacts application. I’ve come to the conclusion that the Contacts approach absolutely sucks, and so I’ve developed my own custom interface instead. This article describes the […]

Cocoa’s NSString doesn’t have great support for search and replace at the best of times. But the absence of the NSPredicate class from the iPhone SDK means that there is no quick way to strip a whole range of characters out of an NSString in one go on the iPhone. This article shows one way to do so. Control […]

New verion of Skype for iPad announces the feature of sending photos. But how? It is very simple. You just need to start the Skype conversation with somebody, press the PLUS button [+] at the right top corner of the conversation window and choose the menu item allowing you to send photo to the Skype […]