While writing FilePile, I wanted to use a UITextView in a UITableView, both subclasses of UIScrollView. The file information view needed a preview section and a list of attributes, so the two classes worked well together for previewing a text file and showing its file attributes. However, the UITextView was regularly blank, on the iPhone [...]
At work, we’re using Apple’s built-in PackageMaker in our automated nightly builds to produce installer packages. The command-line version is very handy as we can incorporate it into scripts run every night with launchd, and for complicated package specs, the GUI version can save off a pmdoc bundle (a collection of XML files) that the [...]
Although I’ve been using Cocoa Bindings for a bit now, I just recently realized how key-value observing (KVO) works. It observes paths, not data. For example, let’s say I have NSString *foo in Bar class. Other classes can get the value with [bar valueForKeyPath:@"foo"]. But if I can set the value with foo = @”123″, [...]
Spinning wheels (NSProgressIndicator objects in Cocoa) are a common UI element in, well, all software these days. People like to know if applications are busy doing something and, if so, how much longer they’ll be. Web browsers, for instance, have continuous spinning wheels to indicate that they’re still downloading the requested page and discrete progress [...]
About
I'm Brian Dunagan. I write Mac user interfaces at Roxio Retrospect. Before that, I wrote Windows COM/MFC and Ruby on Rails at WildPackets. I graduated from MIT back in 2004. All the code posted is under MIT license. Feel free to use it anywhere; hope you find it useful. :)
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