# TrackSelectionView.TrackSelectionListener

# TrackSelectionView.TrackSelectionListener

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/TrackSelectionView.java+class:androidx.media3.ui.TrackSelectionView.TrackSelectionListener)

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

<br />

```
interface TrackSelectionView.TrackSelectionListener
```

<br />

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Listener for changes to the selected tracks.

## Summary

|                             ### Public functions                              |
|-------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [onTrackSelectionChanged](https://developer.android.com/reference/kotlin/androidx/media3/ui/TrackSelectionView.TrackSelectionListener#onTrackSelectionChanged(boolean,java.util.Map<androidx.media3.common.TrackGroup,androidx.media3.common.TrackSelectionOverride>))`(` ` isDisabled: `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)`,` ` overrides: (`[Mutable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html)`)`[Map](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html)`<`[TrackGroup](https://developer.android.com/reference/kotlin/androidx/media3/common/TrackGroup)`!, `[TrackSelectionOverride](https://developer.android.com/reference/kotlin/androidx/media3/common/TrackSelectionOverride)`!>!` `)` Called when the selected tracks changed. |

## Public functions

### onTrackSelectionChanged

```
fun onTrackSelectionChanged(
    isDisabled: Boolean,
    overrides: (Mutable)Map<TrackGroup!, TrackSelectionOverride!>!
): Unit
```

Called when the selected tracks changed.  

|                                                                                                                                                                                                                  Parameters                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------|
| `isDisabled: `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)                                                                                                                                                                                                                                                                                                                                            | Whether the disabled option is selected. |
| `overrides: (`[Mutable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html)`)`[Map](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html)`<`[TrackGroup](https://developer.android.com/reference/kotlin/androidx/media3/common/TrackGroup)`!, `[TrackSelectionOverride](https://developer.android.com/reference/kotlin/androidx/media3/common/TrackSelectionOverride)`!>!` | The selected track overrides.            |