It would be very useful to be able to view PDF documents without saving them unencrypted and with a viewer that is guaranteed not to connect to the Internet or do other nasty things.
I understand there's the danger of bloating Signal, but I think this possibility should at least be considered.
CopperheadOS has a pdf viewer which uses pdf.js in a WebView sandbox, see:
https://copperhead.co/android/docs/technical_overview#pdf-viewer
The latest Apache licensed version of the app is cloned here:
@paride this was exactly my idea. Nice one
GitHub Issue Cleanup:
See #7598 for more information.
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CopperheadOS has a pdf viewer which uses pdf.js in a WebView sandbox, see:
https://copperhead.co/android/docs/technical_overview#pdf-viewer
The latest Apache licensed version of the app is cloned here:
https://github.com/paride/CopperPDF