GPS tracking location problem

Hey everyone, I am using 4.6 jde

I try to use the Coordinates.distance () function within an app that I'm building and my problem isn't really with the function itself, if I am controlled with 2 coordinates variable declared in the function that I use it it works. But I try to use a global variable of coordinates with this function, and when I try to update this variable seems not updated correctly. Dunno if im explaining so here is the code...

//within uiapplication class
 private Coordinates _last;

 private class PaceListener implements LocationListener
    {
        public void locationUpdated(LocationProvider provider, Location location)
        {
            double longitude = location.getQualifiedCoordinates().getLongitude();
            double lat = location.getQualifiedCoordinates().getLatitude();
            System.out.println(longitude);
            System.out.println(lat);

            if(_updates == 0)
            {
                _last=(Coordinates)location.getQualifiedCoordinates();
                _updates++;
                System.out.println(_updates);
                return;
            }
            else{
                Coordinates temp= location.getQualifiedCoordinates();
                System.out.println("_______"+_last.getLongitude());
                System.out.println(temp.distance(_last));                _last= temp;            }

        }
    }

So my problem here is that no matter what the final location was System.out.println ("_" + _last.getLongitude ()); still prints the longitude variables temp. It's my debug output

first round-

21.0
34.0
___21.0
0.0

second update-

-81.0
43.8
_ - 81, 0
0.0

Thanks in advance for any help

I guess I suspect object reuse - compare pointers and see if they are the same variable.

Tags: BlackBerry Developers

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