android - Change style of specific item in drop-down -

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i have drop-down in action bar different categories , want highlight categories. how can make bold text of specific item of drop-down? 

spanned text = html.fromhtml("<b>bold text</b>"); submenu.add(0, 4, 0, text).seticon(r.drawable.top_menu_settings_icon);

i hope code achieve purpose.


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