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uikituidocument

UIDocument saveToURL deletes original file

I'm trying to use -[UIDocument saveToURL:(NSURL *)url forSaveOperation:(UIDocumentSaveOperation)saveOperation completionHandler:(void (^ __nullable)(BOOL success))completionHandler] to save a duplicate at a new URL, however the original file -[UIDocument fileURL] is deleted when doing so?

Solution

  • I couldn't find any documentation regarding this, but it seems to be intend. ¯\_(ツ)_/¯ Here is the Hopper disassembly of iOS 15.2:

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