android findviewbyid from item actionview returns null

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1item.setActionView(R.layout.counter_action_bar_notification_icon);
2
3        final View menu_hotlist = MenuItemCompat.getActionView(item);
4        TextView ui_hot =(TextView) menu_hotlist.findViewById(R.id.hotlist_hot);
5        ui_hot.setText(Integer.toString(13));

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