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

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