Hi,
Take a look at the following code:
The first class is a locationmanager which holds the current and
previous location:
public class MyLocationManager implements LocationListener {
private Location previousLocation;
private Location currentLocation;
private LocationManager locationManager;
public MyLocationManager (Activity activity) {
this.locationManager = (LocationManager)
activity.getSystemService(Context.LOCATION_SERVICE);
this.locationManager.requestLocationUpdates
(LocationManager.GPS_PROVIDER, 0, 0, this);
}
@Override
public void onLocationChanged(Location location) {
this.lastLocation = location;
Log.v("LocationManager", "Lat: " + location.getLatitude() + " -
Lon: " + location.getLongitude());
}
@Override
public void onProviderDisabled(String provider) {}
@Override
public void onProviderEnabled(String provider) {}
@Override
public void onStatusChanged(String provider, int status, Bundle
extras) {}
}
Th second class is the main activity which acts like a server and uses
the previous location to do something:
public class Example extends Activity {
private MyLocationManager myLocationManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
myLocationManager = new MyLocationManager(this);
while (true) {
// do something (like some server functionality)
Location loc = myLocationManager.getPreviousLocation();
// do something
}
}
}
The problem is that myLocationManager doesn't retreive any updates for
the location. I think it has to do with this while-loop that blocks
the main-thread by continously executing. And because
mylocationmanager is also running in the main thread, he cant't
retrieve his location updates.
Does somebody know how to deal with this? I think I have to make use
of threads somewhere, but I don't know where exactly.
Thanks in advance!
kind regards,
Denzel
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