.dart

void _takePicture(BuildContext context) async {
    try {
      await _initializeCameraControllerFuture;

      final path =
          join((await getTemporaryDirectory()).path, '${DateTime.now()}.png');

      await _cameraController.takePicture(path);

      Navigator.pop(context,path);

    } catch (e) {
      print(e);
    }
  }