explicitly initialize static final boolean to fix build

        ViewGroup.OnHierarchyChangeListener {

    // enable debug output for drag trackers

    private static final boolean DEBUG_DRAG_TRACKER;

    private static final boolean DEBUG_DRAG_TRACKER = false;

    // if AUTO_REDRAW_HACK is true, then the CALL key will toggle redrawing

    // the screen all-the-time. Good for profiling our drawing code

    static private final boolean AUTO_REDRAW_HACK = false;