Rangehood Application Override APIs#

To override any of the following hooks, declare the corresponding *Impl() method in CustomerAppTask.h and implement it in CustomerAppTask.cpp. Ensure that the method signature matches the declaration in autogen/AppTaskImpl.h.

AppTask#


Override	Public API	Default behavior
`AppInitImpl`	`AppInit`	Registers the button callback, initializes the rangehood, and updates the display.
`InitRangeHoodImpl`	`InitRangeHood`	Initializes the extractor hood endpoint and sets the light LED based on the cluster state.
`ButtonEventHandlerImpl`	`ButtonEventHandler`	Routes fan-control and function-button events.
`ActionTriggerHandlerImpl`	`ActionTriggerHandler`	Applies light on/off actions and refreshes the UI when the fan mode changes.
`FanControlButtonHandlerImpl`	`FanControlButtonHandler`	Toggles the fan mode in response to a button press.
`DMPostAttributeChangeCallbackImpl`	`DMPostAttributeChangeCallback`	Routes attribute changes from the Fan Control and On/Off clusters and monitors attribute changes from the Identify cluster.