I created a custom file type for my app as a package. However when I run the app and try to open a file it does not recognize it as the custom file type, but instead as a regular folder. I haven't changed my settings since I first setup the custom type, and only some of these files in Finder are showing properly. Do I need to do something in Xcode to change the rest of the files in Finder?
I’m presuming you’re building a Mac app here. If not, let me know what platform you’re targeting.
If you put the app on a fresh machine, one that’s never seen your app before, do you see the problem there?
This is important because the system caches a bunch of info about your app and you need to determine whether this is a real problem with you UTI setup or a phantom problem caused by this cached info.
I usually use a VM for testing this stuff. I take a snapshot of the VM in a fresh state and then restore to that snapshot each time I want to retest.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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