Re: UTI
Re: UTI
- Subject: Re: UTI
- From: Quincey Morris <email@hidden>
- Date: Mon, 04 Apr 2016 09:48:33 -0700
- Feedback-id: 167118m:167118agrif8a:167118sOtYiEjF6O:SMTPCORP
On Apr 4, 2016, at 08:30 , Gerriet M. Denkmann <email@hidden> wrote:
>
> That is, how to associate a special UTI with the file?
You first need to *define* your own UTI. Add an entry to the Exported UTIs section of the Info pane of the OS X app target in Xcode. For the UTI identifier, enter a unique name using reverse-DNS format, similar to your app’s bundle ID. You’ll also want a description (shows in Finder Info windows), an extension, an icon, and specify conformance to public.data (assuming it’s a pure data file, not a package).
If the app is document-based, you’ll also want to create (or modify) an entry in the Document Types, so that you can save in this format. Enter the UTI that you chose as the type’s Identifier. (The extensions and icon in the Document Type entry are ignored in this case.)
If the iOS app is document-based, you’ll do the same thing (Exported UTI and Document Type that uses it) in that app target.
Note that since you (or, really, your apps) are the “owners” of the UTI, you specify the UTI in Exported UTIs. If you ever need to use a UTI defined by another app, your own or someone else's, you would re-define it in the *Imported* UTIs of your app. That’s how you say, “This app uses the UTI defined by another app, but if that other app happens not to be installed on this device, here are the details so that files using the UTI can be recognized by Launch Services anyway."
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