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We’re building an app that will download confidential PDF data. Once downloaded, it must be displayed securely. No copy/pasting allowed, or other ways of getting the data off the device. Eyes-only reading.
Is there a way to make the webView container act as such a secure container to display these PDFs?
This is not 100% fool-proof in practice. You won’t be able to prevent the user from taking a screenshot using the Home-Power button combination, or take a picture of the phone screen with another phone.