# Player.TimelineChangeReason

# Player.TimelineChangeReason

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

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Kotlin\|[Java](https://developer.android.com/reference/androidx/media3/common/Player.TimelineChangeReason "View this page in Java")

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```
@Documented
@Retention(value = RetentionPolicy.SOURCE)
@Target(value = )
@IntDef(value = )
annotation Player.TimelineChangeReason
```

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Reasons for timeline changes. One of[TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED](https://developer.android.com/reference/kotlin/androidx/media3/common/Player#TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED())or[TIMELINE_CHANGE_REASON_SOURCE_UPDATE](https://developer.android.com/reference/kotlin/androidx/media3/common/Player#TIMELINE_CHANGE_REASON_SOURCE_UPDATE()).