# MediaQualityManager.AmbientBacklightCallback

Added in[API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# AmbientBacklightCallback

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/android/media/quality/MediaQualityManager.AmbientBacklightCallback "View this page in Java")  

```
interface AmbientBacklightCallback
```

|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [android.media.quality.MediaQualityManager.AmbientBacklightCallback](https://developer.android.com/reference/kotlin/android/media/quality/MediaQualityManager.AmbientBacklightCallback#) |

Callback used to monitor status of ambient backlight.

## Summary

|                                                                                                                                                                                                                                        Public methods                                                                                                                                                                                                                                         ||
|--------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| abstract[Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onAmbientBacklightEvent](https://developer.android.com/reference/kotlin/android/media/quality/MediaQualityManager.AmbientBacklightCallback#onAmbientBacklightEvent(android.media.quality.AmbientBacklightEvent))`(`event:` `[AmbientBacklightEvent](https://developer.android.com/reference/kotlin/android/media/quality/AmbientBacklightEvent)`)` Called when new ambient backlight event is emitted. |

## Public methods

### onAmbientBacklightEvent

Added in[API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
abstract fun onAmbientBacklightEvent(event: AmbientBacklightEvent): Unit
```

Called when new ambient backlight event is emitted.

|                                                                        Parameters                                                                        ||
|---------|-------------------------------------------------------------------------------------------------------------------------------------------------|
| `event` | [AmbientBacklightEvent](https://developer.android.com/reference/kotlin/android/media/quality/AmbientBacklightEvent):This value cannot be`null`. |