@Override
  public void onBindViewHolder(final ItemViewHolder itemViewHolder, final int position) {
    final DownloadTask downloadTask = datas.get(position);
    String sid = downloadTask.getTid();
    String imageUrl = HttpUtil.getSkinThemePreviewImageByID(sid);
    ImageLoadUtil.loadImageFormUrl(
        imageUrl, itemViewHolder.getImavPic(), R.drawable.picture_manager_default, true);
    itemViewHolder.getMainTextView().setText(downloadTask.gettName() + "");
    itemViewHolder.getSkinSizeTextView().setText(getFileSize(downloadTask.getFileSize()) + "");

    itemViewHolder.getSkinProgressBar().setMax((int) downloadTask.getFileSize());
    itemViewHolder.getSkinProgressBar().setProgress((int) downloadTask.getDownloadedSize());

    reshViewHolder(position, itemViewHolder, downloadTask);
  }
  /**
   * 刷新ui
   *
   * @param position
   * @param itemViewHolder
   * @param downloadTask
   */
  private void reshViewHolder(
      final int position, final ItemViewHolder itemViewHolder, final DownloadTask downloadTask) {
    if (SkinThemeDB.getSkinThemeDB(context).skinThemeIsExists(downloadTask.getTid())) {
      // itemViewHolder.getDownloadstatusRelativeLayout().setVisibility(
      // View.INVISIBLE);
      // itemViewHolder.getSkinProgressBar().setVisibility(View.INVISIBLE);
      if (!downloadTask.getTid().equals(Constants.skinID)) {
        itemViewHolder.getselectImageView().setVisibility(View.INVISIBLE);

        itemViewHolder
            .getItembg()
            .setOnClickListener(
                new OnClickListener() {

                  @Override
                  public void onClick(View arg0) {

                    // 加载皮肤数据
                    loadSkin(position, downloadTask, itemViewHolder);
                  }
                });

      } else {
        itemViewHolder.getItembg().setOnClickListener(null);
        // selectedIndex = position;
        itemViewHolder.getselectImageView().setVisibility(View.VISIBLE);
      }
      itemViewHolder.getSkinProgressBar().setVisibility(View.INVISIBLE);
      itemViewHolder.getDownloadstatusRelativeLayout().setVisibility(View.INVISIBLE);
    } else {
      itemViewHolder.getselectImageView().setVisibility(View.INVISIBLE);
      if (downloadTask.getStatus() == DownloadTask.DOWNLOAD_FINISH) {
        itemViewHolder.getSkinProgressBar().setVisibility(View.INVISIBLE);
        itemViewHolder.getDownloadstatusRelativeLayout().setVisibility(View.INVISIBLE);

        itemViewHolder
            .getItembg()
            .setOnClickListener(
                new OnClickListener() {

                  @Override
                  public void onClick(View arg0) {
                    // 加载皮肤数据
                    loadSkin(position, downloadTask, itemViewHolder);
                  }
                });

      } else if (downloadTask.getStatus() == DownloadTask.DOWNLOING
          || downloadTask.getStatus() == DownloadTask.WAITING) {
        itemViewHolder.getSkinProgressBar().setVisibility(View.VISIBLE);
        itemViewHolder.getDownloadstatusRelativeLayout().setVisibility(View.INVISIBLE);
        itemViewHolder.getItembg().setOnClickListener(null);
      } else {
        itemViewHolder.getSkinProgressBar().setVisibility(View.INVISIBLE);
        itemViewHolder.getDownloadstatusRelativeLayout().setVisibility(View.VISIBLE);

        itemViewHolder
            .getItembg()
            .setOnClickListener(
                new OnClickListener() {

                  @Override
                  public void onClick(View arg0) {
                    // 下载皮肤
                    downloadSkin(position, downloadTask);
                  }
                });
      }
    }
  }