private async void UploadPicture() { var file = await ImageChooser.LoadImage(); if (file == null) { return; } ResetUpload(); try { LoadingData = true; var info = await MediaUploadService.PostPictureAsync(file); BitmapImage.UriSource = HandleUploadInfo(info); //OnPropertyChanged(() => BitmapImage); } catch (Exception e) { ShowError(e.Message); } }