Once an image is selected you can also arrange to display the photo while proceeding to fill out the remainder of the form. This customization option is in addition to or substitution of whatever native mechanism is on a mobile device and it should also work from a desktop with installed cameras.
What is even more interesting is that using a Service Worker you can mod the QuickBase form builder to add this option to your File Attachment field. Maybe like this:
Feel free to contact me off-world usning the information in my profile if you need assistance implementing this type of feature:
Hey I created this demo you might be interested in which displays a photo preview after selecting a photo through the file selector. Here is a screenshot of me selecting one of the cover photos from for the QuickBase Techniques books I authored: