Juhani Juhani - 1 year ago 585
Android Question

Android ListView current scroll location Y pixels

I'm trying to detect when a list view is scrolled beyond certain fixed threshold in pixels (half way through the first item). Unfortunately listview's getScrollY() seems to always return 0 instad of the scroll position. Is there any way to get the actual scroll location by pixel?

Here's the code I tried to use but as said it only returns 0.

getListView().setOnScrollListener(new AbsListView.OnScrollListener() {
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
Log.d("scroll", "scroll: " + getListView().getScrollY());

public void onScrollStateChanged(AbsListView view, int scrollState) {
if (scrollState == 0)
Log.d("scroll", "scrolling stopped");

Answer Source

There is no notion of Y scroll for a ListView in Android simply because the total height of the content is unknown. Only the height of the displayed content is known.

However it is possible to get the current position/Y scroll of a visible item using the following hack:

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