PowerApps is the most frustrating tool introduced by Microsoft yet... although Flow is probably right up there with it. I'm ready to scrap this idea and go back to using InfoPath... why does it have to be so difficult? I created a list with 4 fields. All I want to do is customize the form using PowerApps, include a submit button, then publish and share a link to the form via email. I've already given up on the idea of changing my dropdown choice field to radio buttons... would be nice, but I've wasted too much time on this. I thought I had it figured out, but when I test it, the submit button does nothing (actually the Save button does nothing also). I've searched for hours on Google, and everything I find requires me to be Sheldon Cooper to figure it out. I'm sorry, I'm obviously frustrated! Are they any SIMPLE, EASY TO UNDERSTAND instructions out there??
Are you using the PowerApps custom form or PowerApps app? If you used either option in your list view PowerApps should have auto generated a working app/form. Did you go this route and did you test it out to verify it was working before making any changes?
I chose to customize the list using PowerApps Forms... I didn't test the auto-generated form before making changes, but all I really did was remove some fields, add a title, and added a button. When the button didn't work, I deleted the custom form and started over, then tested it without the button, and the Save button didn't work. But my folks are used to seeing a submit button, so I was really hoping to do that. So... I can't even get the Save button to work. I tried it in Internet Explorer and Edge.
Since you are using the PowerApps custom form then SharePoint provides the Save and Cancel buttons for your form. So when you say the Save button isn't working are your referring to the Save button that appears only in the SharePoint list?
If SharePoint Save button isn't working are you getting any errors? Do you have any fields that require unique values? Did you verify that you have at least contribute access on the list?
Sorry to hear you're struggling... I promise it does get easier!!!
Something to check:
Let me know how you get on