android - Why marker's info window doesn't show? -

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i stuck couldn't figour out why info window doesn't show when click on map's marker. read on developer android site should add marker , give them title, snippet , on. result nothing. 

public class clubmapactivity extends defaultactivity implements googlemap.onmarkerclicklistener {     private googlemap mmap;     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.clubmap);         bundle bundle = getintent().getextras();         double lat = bundle.getdouble("latitude");         double lng = bundle.getdouble("longitude");           mmap = ((mapfragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap();         mmap.addmarker(new markeroptions()                 .position(new latlng(lat, lng))                 .title(bundle.getstring("clubnmae")).snippet("aaa"));          animatecamerato(lat, lng);         cameraupdate zoom=cameraupdatefactory.zoomto(20);          mmap.animatecamera(zoom);       }      public void animatecamerato(final double lat, final double lng)     {         cameraupdate center=                 cameraupdatefactory.newlatlng(new latlng(lat, lng));         cameraupdate zoom=cameraupdatefactory.zoomto(18);          mmap.movecamera(center);         mmap.animatecamera(zoom);     }       @override     public boolean onmarkerclick(marker marker) {         if(marker.isinfowindowshown()) {             marker.hideinfowindow();         } else {             marker.showinfowindow();         }         return true;     } }

by default, info window displayed when user taps on marker if marker has title set.

make sure .title(bundle.getstring("clubnmae") returning not null value otherwise cannot see info window when clicking on marker.


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