class MyScrollListener implements OnScrollListener { @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { /** * firstVisibleItem 表示在当前屏幕显示的第一个listItem在整个listView里面的位置(下标从0开始) * visibleItemCount表示在现时屏幕可以见到的ListItem(部分显示的ListItem也算)总数 * totalItemCount表示ListView的ListItem总数 * listView.getLastVisiblePosition()表示在现时屏幕最后一个ListItem * (最后ListItem显示出来一点都算)在整个ListView的位置(下标从0开始) */ } @Override public void onScrollStateChanged(AbsListView view, int scrollState) { /** *scrollState有三种状态,分别是SCROLL_STATE_IDLE、SCROLL_STATE_TOUCH_SCROLL、SCROLL_STATE_FLING *SCROLL_STATE_IDLE是当屏幕停止滚动时 *SCROLL_STATE_TOUCH_SCROLL是当用户在以触屏方式滚动屏幕并且手指仍然还在屏幕上时(The user is scrolling using touch, and their finger is still on the screen) *SCROLL_STATE_FLING是当用户由于之前划动屏幕并抬起手指,屏幕产生惯性滑动时(The user had previously been scrolling using touch and had performed a fling) */ Log.d("load", "onScrollStateChanged"); } }