i working on application mylocation latitude , longitude .now want users in 5 km within range .i using following code lat , long of user. if(gps.cangetlocation()){ getlatitude = gps.getlatitude(); getlongitude = gps.getlongitude(); latitude_mstring = string.valueof(getlatitude); longitude_mstring = string.valueof(getlongitude); log.d("value of lat , long", latitude_mstring+""+longitude_mstring); log.d("u r", "ur in register lati loni"); new thread(null,latlongthread,"").start(); } }else{ gps.showsettingsalert(); } marker = new markeroptions().position(new latlng(getlatitude, getlongitude)).title("me"); //marker.icon(bitmapdescriptorfactory.fromresource(r.drawable.)); cameraposition cameraposition = new cameraposition.builder().target(new latlng(getlatitude, getlongitude)) .zoom(12).build(); googlemap.animatecamera(cameraupdatefactory.newca...