private async void OnCameraCommand()
        {
            string path = await _camera.Screen();

            _dbTaskManager.setPhoto(_taskService.get(), path);
            MyPhoto = _dbTaskManager.getPhoto(_taskService.get());
        }
        private async void OnCameraCommand()
        {
            bool   flag    = false;
            string ErrMess = "";

            try {
                string path = await _camera.Screen();

                _dbTaskManager.setPhoto(_taskService.get(), path);
            } catch (Exception ex) {
                flag    = true;
                ErrMess = ex.Message;
            }
            if (flag)
            {
                await dialog("Error", ErrMess);
            }
        }