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Editorial Team
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Asked: 2026-06-03T06:14:46+00:00

I have an app opening URLs that may be PDFs. I can detect a

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I have an app opening URLs that may be PDFs.
I can detect a PDF is opened in the UIWebView control, and if so, I propose to save it locally, in the iPad.
To date, the only solution I found (as described in this topic : Save PDF which is displayed by UIWebView locally, is to RELOAD the remote PDF file in a new NSData object, then save it to disk.

Is it possible to use the UIWebView’s NSData property, and write it directly on the disk, to avoid reloading a potentially large PDF file that is already loaded and displayed ? Thanks to all.

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1 Answer

  1. Editorial Team

    I think you can’t access the data that the UIWebView caches. But, you can download first the PDF and later display in UIWebView from the local PDF.

    EDIT

    Reading your question I understand that:

    • First you display the PDF in you UIWebView.
    • You ask the user for download.
    • You download the PDF (Second request for the PDF).

    I propose you:

    • Check that the URL is a PDF.
    • Ask user to download.
    • Download it.
    • Display the PDF in UIWebView loading the local file.
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