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How to Debug iOS Version-Specific Bugs

Here’s the scenario: A bug is reported. But the bug occurs only on the latest version of iOS. On earlier versions, everything’s a-okay. Ack!

Has this happened to you? I’ve dealt with it a couple of times. You can stare at the code as hard as you want, and come up with various theories. But you won’t get far that way. Why? Because on that earlier iOS, everything works. You won’t find any glaring errors just by looking.

So how do you debug iOS-specific problems? What you need is a diagnostic tool. Over on the iPhone Application Development blog, I describe a method that’s helped me crack tough problems. See iOS Version-Specific Bug!

Question: How have you dealt with version-specific bugs? Leave a comment below.

About the Author Jon Reid

Programming was fun when I was a kid. But working in Silicon Valley, I saw poor code lead to fear, with real human costs. Looking for ways to make my life better, I learned about Design Patterns, Refactoring, and Test-Driven Development (TDD). Programming became fun again! I've now been doing TDD in Apple environments for 18 years. I'm committed to software crafting as a discipline, hoping we can all reach greater effectiveness and joy.

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  • Herman Chin says:

    Great link. Was just thinking about what to do should any of the existing templates change in the future. Thanks.

    – Herman

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