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Learning iOS Development: A Hands-on Guide to the Fundamentals of iOS Programming by Erica Sadun, Rod Strougo, Maurice Sharp

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Challenges

1. This is a timesaving challenge. Open the project CH14 CarValet Challenge 1. Profile the app using the Time Profiler and run through the app. Find and fix the performance issue. The performance issue is bad enough to show up on the simulator, though a device makes it much more obvious. All the fixes are in the new timesaving class, not AppDelegate.

2. This challenge is a debugger issue, another problem you are likely to encounter. Open CH14 CarValet Challenge 2, choose the iPad Simulator, and run the app. Look at the details on a car, and wait for the crash. Now use the resources at your disposal to find and fix the bug.

3. It’s time to hunt your own EXC_BAD_ACCESS bug. Open the project in the CH14 CarValet Challenge 3 folder. Run ...

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