It seems like this link is about using a URL in a mobile browser, while my issue is about a custom mobile.
I am not sure, but it also seems like the fix that people are responding with "doAttachmentSingleClick" works for files in Rule-File-Binary rule. My files are in Microsoft Azure. If I am wrong please tell me and maybe steps on how to use "doAttachmentSingleClick" with URLs.
Unfortunately, this article is helpful if the PDF was uploaded to a Rule-File-Binary rule. In my case, the files are uploaded in Microsoft Azure and a report definition will get the URL. If there is a way for me to modify the steps so that it will accept URL please tell me.
If you are loading the PDFs by URL, and adding them to the custom application cache manifest, then maybe you could add a query string "?from=app" to identify the items loading through the app, then use that however you want. Just a thought