code: Bundle toBundle() {
          Bundle bundle = new Bundle();
          bundle.putInt(BUNDLE_KEY_DESTINATION_ID, mDestinationId);
          bundle.putString(BUNDLE_KEY_ACCOUNT_NAME, mAccountName);
          bundle.putString(BUNDLE_KEY_ALBUM_NAME, mAlbumName);
          bundle.putString(BUNDLE_KEY_ALBUM_GRAPH_PATH, mAlbumGraphPath);
          if (!TextUtils.isEmpty(mPageAccessToken)) {
              bundle.putString(BUNDLE_KEY_PAGE_ACCESS_TOKEN, mPageAccessToken);
          }
          if (!TextUtils.isEmpty(mPhotoPrivacy)) {
              bundle.putString(BUNDLE_KEY_PHOTO_PRIVACY, mPhotoPrivacy);
          }
  
          return bundle;
      }
docs: Creates a {@link Bundle} from the {@link FacebookSettings}.
  
  @return the {@link Bundle}.