Display encrypted file using QuickLook framework or UiDocumentInteractionController

Question

I have an encrypted word/excel/pdf file locally stored which I need to preview in my iPad app. I understand that QLPreviewController or UiDocumentInteractionController could be

Answer 1

One way could be.

use Temp Dir , Save File in Temp , Make NSURL From that Temp File and Display and then Delete that temp Dir after that.

Thanks.