The app's Info.plist must contain an NSMicrophoneUsageDescription key with a string value explaining to the user how the app uses this data
Got a build rejection The app's Info.plist must contain an NSMicrophoneUsageDescription key with a string value explaining to the user how the app uses this data. The app does not use microphone. Or so I think. How do I track down where mic is used? UPD23112016: given that the lazy answer is being upvoted I've filed a new feature request with apple to close this security hole. UPD05042017: it is still bothersome that once you proxy mic access into some 3rd party framework via some half baked NSMicrophoneUsageDescription you have zero control on where and when it can be used if user agrees to