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Using Application Badges

Several native applications on the iPhone use application badges as an indicator of new messages, think email and SMS. Creating badges is quite straightforward and is nothing more than a method call,...

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Detect Single Tap in UIScrollView

If you’ve ever been using a UIScrollView and had a need to detect a single tap, I hear you. In the Savini Rims and Rides iPhone application, I had a horizontal scrollview of six cars as one element of...

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Gotcha: UIActionSheet Cancel Button Error / Cancel Button Ignored

If you run into a problem that the Cancel button does not seem to work as expected inside a UIActionSheet, I feel your pain. Here’s what I figured out after a fair amount of trial and error (and...

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