If you, like me, don't like to install Xcode into the /Developer folder (maybe because you have several versions of it on your computer at one time), you will run into a problem while trying to install Application Tools 1.1 to build apps for the Mac App Store.

Like a number of installers I've encountered, the Application Tools 1.1 installer fails if it cannot find Xcode in the /Developer folder. In my case, I already had a /Developer folder with a few system items in it but Xcode was in a separate folder off the root of my drive called /Xcode3.2.5iOS4.2.

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Update 12 June, 2011: Version 1.3 released. Fixes the missing @ sign bug on original and /via slashtag quote tweet styles. Download now.

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I love to teach and I had a blast this year while teaching my 3-Day iOS SDK course for iPhone and iPad at venues around the world. And, based on the feedback, the students had a blast too.

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If you just updated to Xcode 3.2.5 and iOS SDK 4.2, you might find that your existing projects do not compile. This probably doesn't surprise you as it's been the way for every SDK update as far back as the beginning of time (at least in the Jobsian calendar). Thankfully, with Xcode 3.2.5, you can set your base SDK once and for all and it should work for all future releases.

But first things, first, here's the error I received while trying to compile one of the early projects from my iOS SDK workshop: "error: there is no SDK with the name or path 'iphoneos4.1'"

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I was trying to install PhoneGap iOS on my new MacBook Air but got an error when I ran the PhoneGapLibInstaller.pkg installer. It was telling me that I didn't have Xcode installed when, in fact, I did. I just didn't have it installed in the default location (/Developer).

(Since I usually have several versions of Xcode on my machine at the same time, I've taken to installing them off the root in descriptive folders – e.g., Xcode3.2.4iOS4.1, etc.)

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