SwipeRefreshLayout and ListView

NewsList.java

newsList.setOnScrollListener(new AbsListView.OnScrollListener() {

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

            @Override
            public void onScroll(
                    AbsListView view, int firstVisibleItem,
                    int visibleItemCount, int totalItemCount) {
                boolean enable = false;
                if (newsList != null && newsList.getChildCount() > 0) {
                    // check if the first item of the list is visible
                    boolean firstItemVisible = newsList.getFirstVisiblePosition() == 0;
                    // check if the top of the first item is visible
                    boolean topOfFirstItemVisible = newsList.getChildAt(0).getTop() == 0;
                    // enabling or disabling the refresh layout
                    enable = firstItemVisible && topOfFirstItemVisible;
                }
                refreshLayout.setEnabled(enable);
            }
        });