f8/sdk/dart/package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewController/FuchsiaViewController.md

# FuchsiaViewController constructor




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



FuchsiaViewController({required int viewId, [FuchsiaViewConnectionCallback](../../package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewConnectionCallback.md)? onViewConnected, [FuchsiaViewConnectionCallback](../../package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewConnectionCallback.md)? onViewDisconnected, [FuchsiaViewConnectionStateCallback](../../package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaViewConnectionStateCallback.md)? onViewStateChanged, [FuchsiaPointerEventsCallback](../../package-fuchsia_scenic_flutter_fuchsia_view/FuchsiaPointerEventsCallback.md)? onPointerEvent})


<p>Constructor.</p>



## Implementation

```dart
FuchsiaViewController({
  required this.viewId,
  this.onViewConnected,
  this.onViewDisconnected,
  this.onViewStateChanged,
  this.onPointerEvent,
}) : assert(viewId != null);
```