f9/sdk/dart/package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewController/onViewStateChanged.md

# onViewStateChanged property




    *[<Null safety>](https://dart.dev/null-safety)*


[FuchsiaViewConnectionStateCallback](../../package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewConnectionStateCallback.md)? onViewStateChanged
  
_<span class="feature final">final</span>_



<p>Callback when the child view's state changes.</p>



## Implementation

```dart
final FuchsiaViewConnectionStateCallback? onViewStateChanged;
```