改变状态栏的图片

TUid titlePaneUid;
        titlePaneUid.iUid=EEikStatusPaneUidTitle;
        CEikStatusPane * statusPane=StatusPane();
        CEikStatusPaneBase::TPaneCapabilities subPane=statusPane->PaneCapabilities(titlePaneUid);
        if(subPane.IsPresent() && subPane.IsAppOwned())
        }

在RSS中构造TAB时将其隐藏
RESOURCE STATUS_PANE_APP_MODEL r_pttdemo_status_pane
    {
    layout=R_AVKON_STATUS_PANE_LAYOUT_EMPTY;
 panes =
  {
  SPANE_PANE
   {
   id = EEikStatusPaneUidNavi;
   type = EAknCtNaviPane;
   resource = r_pttdemo_navi_decorator;
   }
  };
    }