iPhone 5 Scuff Remover

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iPhone multitasking

It’s no secret that “multitasking” is one of the great new features of iOS 4. Unfortunately, many people have a misconception about what Apple has implemented. Hopefully this short essay will help you understand the restrictions and the good reasons for having these limits. On your desktop, multitasking means that any application or process can […]

Sharing iPhone projects

The latest version of Xcode has a “feature” that prevents you from specifying a wildcard name for the Code Signing Identity. (This feature does make it easier for new developers or people working alone, so I’m not going to write a Radar for this behavior.) When you have multiple people working on an iPhone project, […]

Beta testing on iPhone 2.0

NOTE: It’s not clear if the information in this essay is covered by the NDA or not. The instructions presented here are either referenced on Apple’s own site or referenced in the publicly available version of Xcode. If requested, I will remove this post. During Steve Jobs’ WWDC Keynote the announcement of Ad Hoc distribution […]

So you’re going to write an iPhone app…

Welcome! Many people arrive at this page while searching for information about developing iPhone applications. The ideas from this article are expanded upon in my book, iPhone App Development: The Missing Manual. As we’re all waiting with bated breath for the release of the iPhone SDK later this month, now would be a good time […]