# BottomAppBar.FabAnimationMode

[View Source](https://github.com/material-components/material-components-android/blob/1.14.0/lib/java/com/google/android/material/bottomappbar/BottomAppBar.java)

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```
@Retention(value = RetentionPolicy.SOURCE)
public annotation BottomAppBar.FabAnimationMode
```

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The fabAnimationMode determines the animation used to move the FAB between different alignment modes. Can be either scale, or slide. Scale mode will scale the fab down to a point and then scale it back in at it's new position. Slide mode will slide the fab from one position to the other.