// 关注别人
  private void addFriendConfirm(int index) {

    final FriendModel friend = dataList.get(index);
    // 参数设置
    RequestParams params = new RequestParams();
    params.addBodyParameter("user_id", UserManager.getInstance().getUser().getUid() + "");
    params.addBodyParameter("friend_id", friend.getUid() + "");

    // showLoading("添加中^_^", false);
    HttpManager.post(
        JLXCConst.Add_FRIEND,
        params,
        new JsonRequestCallBack<String>(
            new LoadDataHandler<String>() {

              @Override
              public void onSuccess(JSONObject jsonResponse, String flag) {
                super.onSuccess(jsonResponse, flag);
                hideLoading();
                int status = jsonResponse.getInteger(JLXCConst.HTTP_STATUS);
                ToastUtil.show(
                    OtherAttentOrFansActivity.this, jsonResponse.getString(JLXCConst.HTTP_MESSAGE));

                if (status == JLXCConst.STATUS_SUCCESS) {
                  // 本地数据持久化
                  IMModel imModel = new IMModel();
                  imModel.setTargetId(JLXCConst.JLXC + friend.getUid());
                  imModel.setAvatarPath(friend.getHead_image());
                  imModel.setTitle(friend.getName());
                  MessageAddFriendHelper.addFriend(imModel);
                  friend.setOrHasAttent(true);
                  friendAdapter.replaceAll(dataList);
                }
              }

              @Override
              public void onFailure(HttpException arg0, String arg1, String flag) {
                super.onFailure(arg0, arg1, flag);
                hideLoading();
                ToastUtil.show(OtherAttentOrFansActivity.this, "网络异常");
              }
            },
            null));
  }
  private void deleteFriendConfirm(int index) {
    final FriendModel friend = dataList.get(index);
    // 参数设置
    RequestParams params = new RequestParams();
    params.addBodyParameter("user_id", UserManager.getInstance().getUser().getUid() + "");
    params.addBodyParameter("friend_id", friend.getUid() + "");

    showLoading("取消中..", false);
    HttpManager.post(
        JLXCConst.DELETE_FRIEND,
        params,
        new JsonRequestCallBack<String>(
            new LoadDataHandler<String>() {

              @Override
              public void onSuccess(JSONObject jsonResponse, String flag) {
                super.onSuccess(jsonResponse, flag);
                hideLoading();
                int status = jsonResponse.getInteger(JLXCConst.HTTP_STATUS);
                ToastUtil.show(
                    OtherAttentOrFansActivity.this, jsonResponse.getString(JLXCConst.HTTP_MESSAGE));

                if (status == JLXCConst.STATUS_SUCCESS) {
                  RongIMClient.getInstance()
                      .removeConversation(
                          ConversationType.PRIVATE, JLXCConst.JLXC + friend.getUid(), null);
                  friend.setOrHasAttent(false);
                  // UI变化
                  friendAdapter.replaceAll(dataList);
                }
              }

              @Override
              public void onFailure(HttpException arg0, String arg1, String flag) {
                super.onFailure(arg0, arg1, flag);
                hideLoading();
              }
            },
            null));
  }