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