handsFree(_:callHoldState:)
Tells the delegate the call held indicator of the connected Bluetooth hands-free phone or headset has changed.
Declaration
optional func handsFree(_ device: IOBluetoothHandsFreeDevice!, callHoldState: NSNumber!)Parameters
- device:
The connected Bluetooth hands-free phone or headset.
- callHoldState:
The new value of the call hold indicator. For possible values, see Iobluetoothhandsfreeindicatorcallheld.