The blog showcases the type of Power Apps that can be created depicting sublime performance rendering high quality and significant optimized thumbnail images and value of this concept in an Attendance Tracking app.
In this blog four alternate techniques are outlined that enable App Makers to render the practically any type of document stored in SharePoint Document Libraries in PowerApps
1. Actual PDF documents ( Basic Flow )
2. Word documents, PowerPoint presentations, HTML files (and numerous other document types) converted to PDF documents on-the-fly
3. Thumbnail images of the documents generated on-the-fly
4. Actual PDF documents
( Advanced Flow with Graph APIs )
The source code for the demo apps showcased in my previous blog, SharePoint Images Powered Up In PowerApps, has been shared on GitHub. For further details wrt this, read more!
This blog post articulates and demonstrates how App Makers can render photos stored in SharePoint Document Libraries leveraging the RenderListDataAsStream REST API within PowerApps.