A OnLastItemVisibleListener for ListView

OnLastItemVisibleListener.java

import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;

public abstract class OnLastItemVisibleListener implements AbsListView.OnScrollListener {
    private boolean mLastItemVisible = false;

    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
        /**
         * Check that the scrolling has stopped, and that the last item is
         * visible.
         */
        if (scrollState == OnScrollListener.SCROLL_STATE_IDLE) {
            if (mLastItemVisible) {
                onLastItemVisible();
            }
        }
    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
        /**
         * Set whether the Last Item is Visible. lastVisibleItemIndex is a
         * zero-based index, so we minus one totalItemCount to check.
         *
         */
        mLastItemVisible = (totalItemCount > 0) && (firstVisibleItem + visibleItemCount >= totalItemCount /*- 1*/);
    }

    /**
     * Called when the user has scrolled to the end of the list
     */
    public abstract void onLastItemVisible();

}