Code=3072 “The operation was cancelled” when setting alternate app icon

Question

I am trying to set an alternate app icon named MyIcon in my iOS app. I have a MyIcon.png image in my project bundle (not in my Assets folder) and it is

Answer 1

I was stuck with this error for quite a while and tried all sorts of things but couldn't work out what I was doing wrong. I was changing the icon from AppDelegate.application(didFinishLaunchingWithOptions:). Delaying the call with a timer as suggested above did solve it.

It is worth noting that this problem is due to UIKit trying to show a UIAlertController with the message

You have changed the icon for $(PRODUCT_NAME)

and that didn't seem to work at that point. You need to wait until a root view controller is loaded.

This is because this API is not meant to for the developer to update the icon arbitrarily, but for the user to deliverability choose one.