Air Quality Sensor 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, configures the LCD UI, and initializes the air quality sensor.
`InitAirQualitySensorImpl`	`InitAirQualitySensor`	Creates the periodic sensor timer, initializes the sensor hardware when available, and starts sampling.
`GetAirQualityValueImpl`	`GetAirQualityValue`	Reads the value from the onboard air quality sensor. If the sensor is unavailable, returns a simulated value.
`ButtonEventHandlerImpl`	`ButtonEventHandler`	Routes function-button events to the base application handler.
`SensorTimerEventHandlerImpl`	`SensorTimerEventHandler`	Reads the sensor value and schedules an update to the Air Quality attribute.
`DMPostAttributeChangeCallbackImpl`	`DMPostAttributeChangeCallback`	Logs changes to the Identify attribute.