Adding shadow effects to UITableView using CAGradientLayer
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. Shadows can be a useful effect, drawing attention to the content of your view by separating the view from the background. They also look cool. In this post, I
Intercepting status bar touches on the iPhone
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. You can configure your iPhone applications so that a touch in the status bar will scroll a UIScrollView to the top. I'll show you how you can intercept this t
A Cocoa application driven by HTTP data
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. Here's a tiny application that queries a webpage via HTTP, parses and searches the response and presents the results in a neatly formatted window. In essence,
Using libxml2 for XML parsing and XPath queries in Cocoa
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. NSXMLDocument is the normal tree-based XML parser in Cocoa. But if you're writing for the iPhone, this class isn't available. Even on the Mac, sometimes you w
Streaming and playing an MP3 stream
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. This week, I present a sample application that streams and plays an audio file from a URL on the iPhone or Mac. I'll show how the application was written by e
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Cocoa with Love: Memory and thread-safe custom property methods
Finding the cause of performance issues in your programs