android - onLocationChanged is not being called -


i trying show current location on map onlocationchanged not being called.

@override public void onlocationchanged(location location) {     log.d("called", "onlocationchanged");     latlng latlng = new latlng(location.getlatitude(), location.getlongitude());     markeroptions markeroptions = new markeroptions();     markeroptions.position(latlng);     markeroptions.title("current position");     markeroptions.icon(bitmapdescriptorfactory.defaultmarker(bitmapdescriptorfactory.hue_magenta));     mmap.addmarker(markeroptions);     mmap.movecamera(cameraupdatefactory.newlatlng(latlng));     mmap.animatecamera(cameraupdatefactory.zoomto(11)); }

and here oncreate code

locationmanager lm = (locationmanager) getsystemservice(context.location_service); lm.requestlocationupdates(locationmanager.gps_provider, 1000, 0, this);

have both permissions

 requestpermissions({         android.manifest.permission.access_fine_location,         android.manifest.permission.access_coarse_location,     }, requestperm);

and override onrequestpermissionsresult handle grant/reject?

@override     public void onrequestpermissionsresult(int requestcode, string[] permissions, int[] grantresults) {}

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