BlackBerry 앱에서 사용자의 위도와 경도를 가져온 다음 그에 따라지도를 생성하고 싶습니다.BlackBerry 앱의 현재 위도와 경도
어떻게하면됩니까?
내 코드는 다음과 같습니다
는import java.util.Timer;
import java.util.TimerTask;
import javax.microedition.location.Criteria;
import javax.microedition.location.Location;
import javax.microedition.location.LocationListener;
import javax.microedition.location.LocationProvider;
import javax.microedition.location.QualifiedCoordinates;
import net.rim.device.api.system.Application;
public class GPS_Location
{
private String log;
double longi;
double lati;
public GPS_Location()
{
new LocationTracker();
}
public boolean onClose()
{
Application.getApplication().requestBackground();
return false;
}
class LocationTracker extends TimerTask
{
private double longitude, latitude;
private Timer timer;
private LocationProvider provider;
Criteria cr;
public LocationTracker()
{
timer = new Timer();
cr= new Criteria();
resetGPS();
timer.schedule(this, 0, 60000);
}
public void resetGPS()
{
try
{
provider = LocationProvider.getInstance(cr);
if(provider != null)
{
/*provider.setLocationListener(null, 0, 0, 0);
provider.reset();
provider = null;*/
provider.setLocationListener(new MyLocationListener(), 3, -1, -1);
}
//provider = LocationProvider.getInstance(null);
} catch(Exception e)
{
}
}
public void run()
{
System.out.println("********************");
}
private class MyLocationListener implements LocationListener
{
public void locationUpdated(LocationProvider provider, Location location)
{
if(location != null && location.isValid())
{
QualifiedCoordinates qc = location.getQualifiedCoordinates();
try
{
lati = location.getQualifiedCoordinates().getLatitude();
System.out.println("********************latitude :: "+lati);
longi = location.getQualifiedCoordinates().getLongitude();
System.out.println("********************longitude ::"+longi);
}
catch(Exception e)
{
}
}
}
public void providerStateChanged(LocationProvider provider, int newState)
{
//LocationTracker.this.resetGPS();
if(newState == LocationProvider.TEMPORARILY_UNAVAILABLE)
{
provider.reset();
provider.setLocationListener(null, 0, 0, -1);
}
}
}
}
}
가능한 경우 질문에 예비 코드를 제공하려고 시도한 사례를 보여줍니다. None-the-less, 아래 출발점이 있습니다. –