java android osm showInfoWindow when a marker changed possition -

i display show info window when click on marker , when update possition marker possion infowindow doesn't changed

i try :

 mpin.setposition(activeitemizediconoverlay.getitem(index).getpoint()); 

but doen't work. :

mpin.hideinfowindow(); mapview.getoverlays().remove(mpin); mpin.setposition(activeitemizediconoverlay.getitem(0).getpoint()); mpin.showinfowindow(); mapview.getoverlays().add(mpin); 

but show infowindow don't need click

try use method isinfowindowshown() marker. , can check if infowindow show , when method return true can :

if(mpin.isinfowindowshown()){                                 mpin.hideinfowindow();                                 mapview.getoverlays().remove(mpin);                                 mpin.setposition(activeitemizediconoverlay.getitem(0).getpoint());                                 mpin.showinfowindow();                                 mapview.getoverlays().add(mpin);                             }