Black screen when try to enlarge image

yes i had tried with 2 or 3 images, if you go to Hamburger menu in the app and select “Orario Docenti” you will go to another image showed correctly in details but blank when zoomed.
i’ll try to do some others test and in case i’ll write to support
Thanks for the replies

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Yes, it sounds like a bug! Good luck, I hope it gets resolved soon!

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I had the exact same issue. and it was due to wrong certificate when using HTTPS.

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@Deena thanks for the heads up. I changed some of the docs structure and thought I’d sorted these. I see what I did now.

Will fix :+1:t4:

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I have tried to use an HTTPS site as repository for the files and all seems to works now.
So, is this a bug or a feature ? @JackVaughan @Deena
Thanks again

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I have had no problem with images myself - I store them all in Glide and follow their instructions regarding public urls, so not sure about your question. Good that you’ve sorted it! :relaxed:

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It works on iPhone and on Desktop but in my Xiaomi Mi i still get the black image.
And in my iPhone the image are showed in low resolution, and when i try to pitch-to-zoom is almost unreadable. :cry:

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Usually when I read a post about images, they’re not being stored in Glide or they are not public urls. Not sure about the device issue…@Jeff_Hager, master of all things Glide…any thoughts?

Phones are generally more secure than desktop computers. Phones block http links because they are not secure, and can be used by hackers to harm the computers that try to load http content.

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:point_up_2:t2: What he said. Using https instead of http would have been my suggestion. Also maybe the ‘Open Web View’ action as an option, but I have issues with that going full zoom without the option to pinch zoom, so have used “Open Link” instead, which opens the image externally with full control to zoom. Works fine for me on android, but from what I’ve read, ‘Open Link’ isn’t as friendly with IOS devices. Haven’t tested it, so I don’t know.

Just another thought for viewing external content, but I’ve recently started playing with the web view component to display PDF’s in app. I actually have it set to wrap the PDF url inside a google docs viewer url to view an external pdf inside google docs inside a web view inside the app. Works quite well actually.

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@Jeff_Hager can you please confirm how you’re building the URL to “wrap the PDF url inside a google docs viewer url to view an external pdf inside google docs inside a web view inside the app” that would be really useful - thanks as always.

I believe this is where I found the info:

I set up a template column like this:
https://docs.google.com/viewer?embedded=true&url={Document}
And then I have a replacement set up to replace {Document} with the url of the PDF.

I also have it set up to show images and website links, so right now I also have an If Then column set up to search for ‘.PDF’ in the url and if it has it, then I use the wrapped version of the URL. Otherwise I just use the URL in it’s original form.

Just a word of caution, I did read in the stackoverflow forum that google may impose bandwidth limits for non-google documents. I am only testing this myself and I only have a couple users, so I’m not too worried about running into any limits. I haven’t looked, but there may be other wrapping services out there that would do something similar.

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Got it @Jeff_Hager and appreciated

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“open Link” could not be a viable option, since in borwser the users will be able to catch the true image’s URL.
Is there an “optimal” image format, size, compression etc, that can solve any issues ?
Thanks in advance

“open in webview” doesn’t works , because i get an error message.
“An extension has blocked server request” (or similar)
Thanks

Thank for the tips. It fixed my issue!!!

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