Lots of suggested iPad downsides on the Internet this morning. Thought I’d tackle a few. It doesn’t have a camera It’s 9.5″ by 7.5″ wide, and 0.5″ thick. You want to try taking a picture with something that shape? Besides, you’ve got a camera-shaped iPhone in your pocket. It doesn’t make phone calls It’s 9.5″ by 7.5″ […]

One of the more interesting additions to the updated iTunes 9 Store is a new “Top Grossing Apps” view.  This is displayed bottom right on the main App Store screen in iTunes, and has also been added to the Mobile App Store in iPhone OS 3.1, under the Top 25 tab. As a developer, this view is […]

I’ve struggled to find a way to deduce if an iPhone OS device has the ability to make phone calls or not. There is a way to do so in iPhone OS 3.0, but I want to compile my code against the OS 2.0 SDK to enable it to run on as many devices as […]

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 […]