My application has the functionality to scan NFC cards. When I enable guided access and try to scan a card by starting the NFC session the "Ready to scan" alert is not shown. It is when I switch off guided access it is displayed on iOS.
Core NFC "Ready to scan" alert not appearing when guided access is enabled.
This is sounding like things are not functioning as you expect. The best way to have this looked at is by filing a bug report.
Don't forget to include as much information as you can about the cases you see this problem with. Additionally it would be helpful if you were able to include a sysdiagnose specific to this issue. To do that first, please go to the Profiles and Logs page and follow the instructions for Wallet for iOS to install a logging profile on your device.
Once that is installed, then reproduce the issue. Once reproduced, then follow the instructions at the above link to create a sysdiagnose
Include details on: What is the setup on the device. Including apple wallet settings What is the details of the tag you are interacting with.
To file a bug report, you can use the Feedback Assistant.
If you have any questions about filing a bug report, take a look at Bug Reporting: How and Why?
Once you open the bug report, please post the FB number here for my reference.
Argun Tekant / DTS Engineer / Core Technologies