Detecting the scrolling direction in the adapter (up/down)

Question

I am trying to mimic the Google Plus application in my project, as it seems to be the reference now.

The listview effect when scrolling is really nice and I would li

Answer 1

I've used this much simpler solution:

public class ScrollDetectingListView extends ListView

...

setOnScrollListener( new OnScrollListener() 
{

    private int mInitialScroll = 0;

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem,
            int visibleItemCount, int totalItemCount) 
    {
        int scrolledOffset = computeVerticalScrollOffset();

        boolean scrollUp = scrolledOffset > mInitialScroll;
        mInitialScroll = scrolledOffset;
    }


    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {


    }

}