openFaceCamera method

@override Future<void> openFaceCamera(BuildContext context, ShowFaceCameraAction action, ScopeManager? scopeManager)

Implementation

@override
Future<void> openFaceCamera(BuildContext context, ShowFaceCameraAction action,
    ScopeManager? scopeManager) async {
  if (!kIsWeb) {
    await FaceCamera.initialize();
  }

  final camera = FaceDetectionCamera(
    onCapture: (file) async {
      // Pop the camera page once a capture has occurred.
      Navigator.pop(context);
      final fileJson = file?.toJson();
      // If an ID is provided and scopeManager exists, update dataContext and dispatch event.
      if (action.id != null && scopeManager != null) {
        scopeManager.dataContext.addDataContext({
          action.id!: {
            'files': [fileJson]
          }
        });
        scopeManager.dispatch(
          ModelChangeEvent(
            APIBindingSource(action.id!),
            {
              'files': [fileJson]
            },
          ),
        );
      }

      // Execute the onCapture action if provided.
      if (action.onCapture != null) {
        try {
          await ScreenController().executeAction(context, action.onCapture!);
        } on Exception catch (_) {}
      }
    },
    onError: (error) {
      // Close the camera page when an error occurs.
      Navigator.pop(context);

      if (action.onError != null) {
        ScreenController().executeAction(
          context,
          action.onError!,
          event: EnsembleEvent(null, error: error.toString()),
        );
      }
    },
  );

  // Set properties from options
  final options = action.options ?? {};
  for (var option in options.keys) {
    final value = scopeManager?.dataContext.eval(options[option]);
    camera.setProperty(option, value);
  }

  await Navigator.push(
    context,
    MaterialPageRoute(builder: (context) => camera),
  );
}