android - I am not getting gps coordinates from NETWORK_PROVIDER sometimes -


locationmanager mlocmanager = (locationmanager)getsystemservice(context.location_service);

    locationlistener mloclistener = new mylocationlistener();      mlocmanager.requestlocationupdates( locationmanager.network_provider, 0, 0, mloclistener);      //init();  }  /* class location listener */  public class mylocationlistener implements locationlistener  {  @override  public void onlocationchanged(location loc)  {      //_pd.dismiss();  loc.getlatitude();  loc.getlongitude();  string text = "my current location is: " +"latitud = " + loc.getlatitude() +"longitud ="  + loc.getlongitude(); txtinfo.settext(text);  toast.maketext( getapplicationcontext(),text,toast.length_short).show();  }  @override  public void onproviderdisabled(string provider)  {  toast.maketext( getapplicationcontext(),"gps disabled",toast.length_short ).show();  }  @override  public void onproviderenabled(string provider)  {  toast.maketext( getapplicationcontext(),"gps enabled",toast.length_short).show();  }  @override  public void onstatuschanged(string provider, int status, bundle extras)  {  } }

this code....sometimes gps coordinates , dont why happening?

getting geo fix using gps requires long time, hence need switch between wirless network provider , gps geo coordinates reliably. idea first poll wireless network , if not enabled/available fallback gps provider.

good reference : android-location-providers-gps-network-passive


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