private void setLiseners() {    // listview設(shè)置滑動(dòng)監(jiān)聽    lsv_new_house.setOnScrollListener(new AbsListView.OnScrollListener() {      @Override      public void onScrollStateChanged(AbsListView absListView, int i) {      }      @Override      public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) {        if(firstVisibleItem == 0){          View first_view = lsv_new_house.getChildAt(0);          if(first_view != null && first_view.getTop() == 0){//            LogUtils.e("已經(jīng)滾動(dòng)到頂部了");            bl_down = true;// 可以下拉刷新了          }else {//            LogUtils.e("還沒到頂部");            bl_down = false;// 未滑動(dòng)到頂部不讓下拉刷新          }        }        if(firstVisibleItem + visibleItemCount == totalItemCount){          View last_view = lsv_new_house.getChildAt(lsv_new_house.getChildCount() - 1);//          LogUtils.e("height = " + lsv_new_house.getBottom());// 最后一個(gè)item的底部與listview第一個(gè)item頂部之間的距離//          int h = lsv_new_house.getHeight();//          LogUtils.e("h = " + h);          if(last_view != null && last_view.getBottom() == lsv_new_house.getHeight()){//            LogUtils.e("已經(jīng)滾動(dòng)到最底部了");            bl_up = true;// 可以上拉加載了          }else {//            LogUtils.e("還沒到底部");            bl_up = false;// 未滑動(dòng)到底部不讓上拉加載          }        }      }    });  }