Monthly Archives: August 2009

Choices

Posted on August 31, 2009 by MXH

In my Fightcard application, I had to implement a lot of “picker” screens – screens that essentially let the user select one of a list of options, much as a drop-down does in a conventional GUI. Since the behavior of … Continue reading →

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Snark

Posted on August 30, 2009 by MXH

Today, a little nastiness: Without naming names, let me just say that when a man precedes his remarks on a topic with a (supposedly) awe-inspiring account of the reading he’s done on that topic, you can expect that his comments … Continue reading →

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Feynman

Posted on August 29, 2009 by MXH

Here’s something to pass the time; 12 videos of Richard Feynman explaining things. Diverting, informative, and entertaining.

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Location

Posted on August 28, 2009 by MXH

Today, a quick guide through basic location services on the iPhone 3G (i.e. I’m not handling heading information here.) I run through a quick overview of the steps involved in building a basic location-aware app, and provide a complete Xcode … Continue reading →

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New App: Fightcard

Posted on August 27, 2009 by MXH

I’m pleased to announce that Apple has approved my very first “real” iPhone application: Fightcard. This app implements a boxing scorecard (also suitable, I guess, for MMA on the 10-point-must system) that allows you to systematically and properly score a … Continue reading →

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Addressbookery

Posted on August 25, 2009 by MXH

The iPhone makes the database underlying it’s built-in Contacts application available through a framework. This is handy, for two reasons: If you want to let the user contact people from inside your app, it’s a good idea to make it … Continue reading →

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Classy

Posted on August 24, 2009 by MXH

I mentioned Mark Webber before, after he won his first F1 race. Yesterday he had a far more dismal result, but I thought his post-race comments showed a lot of class, and are worthy of remark: The long and short … Continue reading →

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Technique

Posted on August 23, 2009 by MXH

From James Bowman’s Inglourious Basterds (sp?) review:

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Timing (Clipping)

Posted on August 21, 2009 by MXH

We’ve been talking about some Core Graphics trickery recently, related either to fancy gradients used to create shiny buttons, or complicated clipping. I wanted to take a moment to time some of this stuff out on the iPhone, and see … Continue reading →

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Hollow Clipping Redux

Posted on August 20, 2009 by MXH

I want to revisit Tuesday’s discussion of clipping; when I wrote that post I was laboring under certain misconceptions related to Core Graphics paths, which I would like to discuss. As a consequence of correcting these misconceptions, I can see … Continue reading →

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