public int getScrollY() { View c = mListView.getChildAt(0); if (c == null) { return 0; } int firstVisiblePosition = mListView.getFirstVisiblePosition(); int top = c.getTop(); return -top + firstVisiblePosition * c.getHeight() ; } 原理是假设每个item的高度是一定的(多
ListView class A scrollable list of widgets arranged linearly. ListView is the most commonly used scrolling widget. It displays its children one after another in the scroll direction. In the cross axis, the children are required to fill the ListView.