DoorbellAccessory (hap-java 2.0.7-SNAPSHOT API)

All Superinterfaces:

HomekitAccessory
```
public interface DoorbellAccessory
extends HomekitAccessory
```
doorbell accessory with a switch (button push) event.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default java.util.Collection<Service>`	`getServices()`	The collection of Services this accessory supports.
`java.util.concurrent.CompletableFuture<ProgrammableSwitchEnum>`	`getSwitchEvent()`	Retrieves the last states of the doorbell.
`void`	`subscribeSwitchEvent(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in doorbell switch event, i.e.
`void`	`unsubscribeSwitchEvent()`	Unsubscribes from changes in doorbell switch event.

Methods inherited from interface io.github.hapjava.accessories.HomekitAccessory
getFirmwareRevision, getId, getManufacturer, getModel, getName, getPrimaryService, getSerialNumber, identify

- Method Detail
  - getSwitchEvent
```
java.util.concurrent.CompletableFuture<ProgrammableSwitchEnum> getSwitchEvent()
```
    Retrieves the last states of the doorbell. Bluetooth device should return the last event, the IP device should always return null
    
    Returns:
    
    state of the door bell event
  - subscribeSwitchEvent
```
void subscribeSwitchEvent(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in doorbell switch event, i.e. pressing on the door bell button.
    
    Parameters:
    
    callback - the function to call when the state changes.
  - unsubscribeSwitchEvent
```
void unsubscribeSwitchEvent()
```
    Unsubscribes from changes in doorbell switch event.
  - getServices
```
default java.util.Collection<Service> getServices()
```
    Description copied from interface: HomekitAccessory
    
    The collection of Services this accessory supports. Services are the primary way to interact with the accessory via HomeKit. Besides the Services offered here, the accessory will automatically include the required information service.
    This method will only be useful if you're implementing your own accessory type. For the standard accessories, use the default implementation provided by the interfaces in io.github.hapjava.accessories.
    
    Specified by:
    
    getServices in interface HomekitAccessory
    
    Returns:
    
    the collection of services.