AVCaptureDevice requestAccessForMediaType

Question

Hi,MacOS 10.15.2&lt;key&gt;NSMicrophoneUsageDescription&lt;/key&gt;  &lt;string&gt;Record audio!&lt;/string&gt;This crashes.[AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted)         {            if (granted)            {                // [self setupCaptureSession];            }        }];Also,Preferences-&gt;Security &amp; Privacy - Microphone has no reference to the Voice Memo app even after using it and allowing access to the mic.Any help appreciated.Paul

dumbbunny · Accepted Answer

Found it.

dumbbunny · Answer

Hi,MacOS 10.15.2&amp;lt;key&amp;gt;NSMicrophoneUsageDescription&amp;lt;/key&amp;gt;  &amp;lt;string&amp;gt;Record audio!&amp;lt;/string&amp;gt;This works in a swift project:AVCaptureDevice.requestAccess(for: .audio) { granted in            if granted {                //self.setupCaptureSession()            }        }This doesn&#x27;t work in an ObjectiveC project: (Thread 6: signal SIGABRT)[AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted)         {            if (granted)            {                // [self setupCaptureSession];            }        }];What am I not doing correcty or forgot to include?Thanks, paul