Good Things About Apple Maps

The new maps in iOS 6 have attracted a lot of criticism, mainly about the detail of the cartography, the accuracy of the data and the disappearance of a street view. I’ve had a chance to experiment with the new Map Kit and Location Services APIs this week and I’ve found that, despite all the […]
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Pull to Refresh

Pull to refresh has become a classic, almost cliched, way of initiating a refresh operation in an iOS app. Originally part of the Tweetie app that ultimately became Twitter’s official iOS presence, pull to refresh was such a neat, intuitive and unobtrusive way of triggering a refresh that iOS developers clamoured to find out how […]
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Strategy Design Pattern

I was over in Sweden last week teaching a Java design patterns course. Having spent so much time with iOS recently, it was interesting to put my Java hat back on and talk about designing enterprise scale applications. Some of my students probably thought I was a little slow writing code during demos but I […]
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Testing for Memory Warnings

Have you ever opened up an app on your iPhone or iPad and noticed that it crashed immediately? Then it was OK when you restarted it? That’s usually because there is a bug in the way the application responds to the memory management processes in iOS. Memory Management in iOS One of the objectives of […]
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URL Schemes on iOS

The URL scheme is a useful little feature in iOS that allows unrelated applications to communicate with each other in a controlled way. One application can use a custom URL scheme registered by another to pass control to it, supplying arguments as required. Standard URL Schemes Some of the standard iOS apps have URL schemes […]
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