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I’m using the default iOS file manager for a Swift application. I’m writing the class for a UIDocumentBrowserViewController and I want the whole file name to show. For example rather than Untitled, I want Untitled.txt. Or rather than script, script.py.

As a side note, I notice that the actual files app does not have functionality to show the extension.

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  • I apologize for poor formatting, will edit question later. Commented Jul 6, 2019 at 16:01

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Sometimes its worth to check apple documentation) https://developer.apple.com/documentation/uikit/uidocumentbrowserviewcontroller

As I see it is possible to show file's extension, with help of var shouldShowFileExtensions: Bool from UIDocumentBrowserViewController. But to our sorrow it's available only from iOS 13.0+.

And as Apple says about this property https://developer.apple.com/documentation/uikit/uidocumentbrowserviewcontroller/3153159-shouldshowfileextensions

The default value is false.

This property has no effect in iPad apps running in macOS.

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I appreciate it. I saw nothing online because it is still in beta. And I looked through the documentation, but the current one (not the beta one). Cheers
This is all nice to read, but in practice it doesn't do anything. Adding .shouldShowFileExtensions = true still doesn't show filenames. So frustrating. Why would anyone NOT want to show filenames is beyond my imagination... It just adds confusion.

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