@Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
        // no-op
    }
Quick return effect with extra scroll-to-bottom {@link android.widget.AbsListView.OnScrollListener}

@author longkai
sample/src/main/java/com/etiennelawlor/quickreturn/fragments/QuickReturnWithExtraOnScrollListenerFragment.java