private final class MyTouchListener implements View.OnTouchListener {
    //public boolean onTouch(View view, MotionEvent motionEvent) {
    public boolean onTouch(View view, MotionEvent motionEvent) {
        LinearLayout ship = (LinearLayout)view.getParent();
        dragCellIndex = ship.indexOfChild(view);
        dragCellTotal = ship.getChildCount();
        view = ship;

        if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
            ClipData data = ClipData.newPlainText("", "");
            View.DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(view);
            view.startDrag(data, shadowBuilder, view, 0);
            view.setVisibility(View.INVISIBLE);
            return true;
        } else {
            return false;
        }
    }
}