activate(on:eventHandler:)
Activate the session and start delivering events to an event handler.
Declaration
func activate(on queue: dispatch_queue_t, eventHandler: @escaping (ASAccessoryEvent) -> Void)Parameters
- queue:
The dispatch the session uses to deliver events to
eventHandler. - eventHandler:
A closure or block that receives events generated by the session. Each callback to the event handler provides an Asaccessoryevent as a parameter, and expects no return value.