Of course, I know that I need location permission, otherwise I will not be able to read SSID after restarting the device. As I said above, it works normally, but sometimes , 'internal error' will be printed in the Xcode output.
hanabi
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This still exists in iOS 13.4
It's a little different.CNCopySupportedInterfaces() is nil.And Using NEHotspotConfigurationManager will throwNEHotspotConfigurationManager Error Domain=NEHotspotConfigurationErrorDomain Code=13 "already associated."
I also received this log，After testing, it is found that it only appears on ios15 devices,
It seems that the app(metal) will be active after switching to the background in iOS15 (It used to freeze in a few seconds).