# PlayerView.FullscreenButtonClickListener

# PlayerView.FullscreenButtonClickListener

Artifact:[androidx.media3:media3-ui](https://developer.android.com/jetpack/androidx/releases/media3)  
[View Source](https://cs.android.com/search?q=file:androidx/media3/ui/PlayerView.java+class:androidx.media3.ui.PlayerView.FullscreenButtonClickListener)

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Kotlin\|[Java](https://developer.android.com/reference/androidx/media3/ui/PlayerView.FullscreenButtonClickListener "View this page in Java")

<br />

```
interface PlayerView.FullscreenButtonClickListener
```

<br />

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Listener invoked when the fullscreen button is clicked. The implementation is responsible for changing the UI layout.

## Summary

|                             ### Public functions                              |
|-------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [onFullscreenButtonClick](https://developer.android.com/reference/kotlin/androidx/media3/ui/PlayerView.FullscreenButtonClickListener#onFullscreenButtonClick(boolean))`(isFullscreen: `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)`)` Called when the fullscreen button is clicked. |

## Public functions

### onFullscreenButtonClick

```
fun onFullscreenButtonClick(isFullscreen: Boolean): Unit
```

Called when the fullscreen button is clicked.  

|                                             Parameters                                              |
|-----------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------|
| `isFullscreen: `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | `true`if the video rendering surface should be fullscreen,` false`otherwise. |