如何在运行时使用J2ME Polish更改项目样式

Style style = new Style();
style.addAttribute(\"background-color\", \"#FF0000\");
item.setStyle(style);

Style style = new Style();                        
style.background = new BorderedSimpleBackground(0xF0F0F0, 0xFF0000, 1);
item.setStyle(style);