Type Property

AVCaptureDeviceSubjectAreaDidChange

Posted when the instance of AVCaptureDevice has detected a substantial change to the video subject area.

Declaration

static let AVCaptureDeviceSubjectAreaDidChange: NSNotification.Name

Discussion

Clients may observe the AVCaptureDeviceSubjectAreaDidChangeNotification to know when an instance of AVCaptureDevice has detected a substantial change to the video subject area.

This notification is sent only if isSubjectAreaChangeMonitoringEnabled is true.

See Also

Monitoring Subject Area Change

var isSubjectAreaChangeMonitoringEnabled: Bool

Indicates whether the device should monitor the subject area for changes.