A protocol that provides updates for the discovery and management of peripheral devices.
- iOS 5.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 4.0+
- Core Bluetooth
CBCentral protocol defines the methods that a delegate of a
CBCentral object must adopt. The optional methods of the protocol allow the delegate to monitor the discovery, connectivity, and retrieval of peripheral devices. The only required method is
central; the central manager calls this when its state updates, thereby indicating the availability of the central manager.