# DashContentSteeringTracker.Callback

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

*** ** * ** ***


```
public interface DashContentSteeringTracker.Callback
```

<br />

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A callback to be notified of `https://developer.android.com/reference/androidx/media3/exoplayer/dash/DashContentSteeringTracker` events.

## Summary

| ### Public methods |
|---|---|
| `abstract void` | `https://developer.android.com/reference/androidx/media3/exoplayer/dash/DashContentSteeringTracker.Callback#onServiceLocationPriorityUpdated(com.google.common.collect.ImmutableList<java.lang.String>)( @https://developer.android.com/reference/androidx/annotation/Nullable https://guava.dev/releases/snapshot-android/api/docs/com/google/common/collect/ImmutableList.html<https://developer.android.com/reference/java/lang/String.html> serviceLocationPriority )` Called when the service location priority is updated. |

## Public methods

### onServiceLocationPriorityUpdated

```
abstract void onServiceLocationPriorityUpdated(
    @Nullable ImmutableList<String> serviceLocationPriority
)
```

Called when the service location priority is updated.

| Parameters |
|---|---|
| `@https://developer.android.com/reference/androidx/annotation/Nullable https://guava.dev/releases/snapshot-android/api/docs/com/google/common/collect/ImmutableList.html<https://developer.android.com/reference/java/lang/String.html> serviceLocationPriority` | The updated service location priority, or `null` if the tracker becomes inactive. |