@Override public boolean setItemAlpha(int id, int alpha) { // TODO Auto-generated method stub if (info == null || alpha < 0 || alpha > 255) { return false; } if (info.getnAlpha() == alpha) { return true; } info.setnAlpha(alpha); mFreeLineItem.setLineAlpha(alpha); SKSceneManage.getInstance().onRefresh(items); return false; }