Under the Bridge

Here’s a detailed howto on implementing a useful-looking UI widget extension:

Digital Post, my newspaper app for the iPad, uses a number of custom user interface elements to build out the full user experience. One of these custom components is a horizontal topic selector that you can swipe and also tap to select individual topics…

Not terribly complicated, but a nice implementation, featuring just how easy it is to use UITapGestureRecognizer.