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From: Dave Royal <dave@dave123royal.com>
Newsgroups: comp.mobile.android
Subject: Re: viewing local htm files on Android device
Date: Wed, 24 Jul 2024 21:40:00 +0100 (GMT+01:00)
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Malone <mslone@nospam.uk> Wrote in message:

> 
> I've created a simple (just text, no script) .htm file on a Windows 
> computer ("testhtm.htm") and transferred it to my Android tablet.
> 
> In My Files - Downloads it then appears as "testhtm.htm". Tapping it and 
> it opens with Chrome (my default browser) as 
> "content:media/external/file/1000000383".
> 
> Long tap and select "Add to Home Screen" and an icon appears on the home 
> screen titled "testhtm". And when tapping this it opens in Chrome.
> 
> If I now restart (reboot) the tablet and try to open the file by tapping 
> its icon on the home page it doesn't open and I receive the message: 
> "Chrome does not have access to the requested resource."
> 
> If I then go to My Files - Downloads I find I can open it from there. 
> And if I then go back to the home page it will now open from there as well.
> 
> Why is this?
> 
> I have links on my home page to .htm pages located on servers on the 
> internet which always open with no problems. But .htm files located on 
> my tablet seem to become inaccessible from the home page after a reboot 
> until opened from within My Files - Downloads.
> 
> Can someone with a better understanding of the Android OS than me 
> explain what's going on?

In the absence of an authoritative answer, and based on some
 googling (I am not a developer of Android apps), I'll offer a
 guess. 

I suspect that for the content URI in the shortcut (which is a
 pointer to a local resource, and AFAICS not the same as a file://
 URI) can only be accessed if Chrome has access to a Content
 Provider and for some reason (maybe a bug) there isn't one after
 a reboot. Perhaps accessing the content using My Files causes a
 Content Provider to be established, which can the be used by
 Chrome to access the content URI passed as a result of tapping
 the shortcut.

<https://developer.android.com/guide/topics/providers/content-provider-basics>
-- 
Remove numerics from my email address.