preferredDevice
Returns a device object that the client application should select when it launches.
Declaration
var preferredDevice: ICDevice? { get }Discussion
If the client application that calls this method is the autolaunch application associated with a device, and that device is the last one attached (through USB, FireWire, or network), then that device is the preferred device.
Call this method in the implementation of deviceBrowser(_:didAdd:moreComing:) if the value of moreComing is false; or in the implementation of deviceBrowserDidEnumerateLocalDevices(_:).