Is the app you're developing a mobile app or a desktop application? The referenced article won't work for mobile applications. I spent hours trying things online, including that article, to literally no avail. The only way that I know is to use the thumbnail property of the image when the image is stored in a document library.
Connect to the document library using a gallery, insert an image control, in the image property of the control type ThisItem.Thumbnail.Medium
I ended up making a desktop version that utilized the normal way and then a mobile version with the thumbnail method.
@JMAFO You have two separate apps, or you have two separate images in your gallery? If in the gallery, how are you determining if the user is on mobile/desktop?
@notj two separate apps. For reference, I did this for an employee directory. The desktop version I've embeded into a SharePoint page, named "Employee Directory - Desktop Version" and the mobile version is only accessible via the PowerApps app, named "Employee Directory - Mobile Version". Unfortunately, you can't hide created apps from the PowerApps app, so you have to label the apps by device version accordingly...
@notj this is small peanuts compared to the real problems! Administrative control of the PowerApps mobile app portal, universal device support, and conditional device recognition are very much needed for this to be a more complete product.
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