Created
May 23, 2013 07:03
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MyLocation class forked from stackoverflow user Fedor
http://stackoverflow.com/users/95313/fedor
I made a few modifications
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package com.example; | |
import java.util.Timer; | |
import java.util.TimerTask; | |
import android.content.Context; | |
import android.location.Location; | |
import android.location.LocationListener; | |
import android.location.LocationManager; | |
import android.os.Bundle; | |
/** | |
* Created By Fedor, fedorvlasov.com | |
* http://stackoverflow.com/questions/3145089/ | |
*/ | |
public class MyLocation { | |
Timer timer1; | |
LocationManager lm; | |
LocationResult locationResult; | |
boolean gps_enabled=false; | |
boolean network_enabled=false; | |
public boolean getLocation(Context context, LocationResult result) | |
{ | |
//I use LocationResult callback class to pass location value from MyLocation to user code. | |
locationResult=result; | |
if(lm==null) | |
lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); | |
//exceptions will be thrown if provider is not permitted. | |
try{gps_enabled=lm.isProviderEnabled(LocationManager.GPS_PROVIDER);}catch(Exception ex){} | |
try{network_enabled=lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER);}catch(Exception ex){} | |
//don't start listeners if no provider is enabled | |
if(!gps_enabled && !network_enabled) | |
return false; | |
if(gps_enabled) | |
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListenerGps); | |
if(network_enabled) | |
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListenerNetwork); | |
timer1=new Timer(); | |
timer1.schedule(new GetLastLocation(), 20000); | |
return true; | |
} | |
LocationListener locationListenerGps = new LocationListener() { | |
public void onLocationChanged(Location location) { | |
timer1.cancel(); | |
locationResult.gotLocation(location); | |
lm.removeUpdates(this); | |
lm.removeUpdates(locationListenerNetwork); | |
} | |
public void onProviderDisabled(String provider) {} | |
public void onProviderEnabled(String provider) {} | |
public void onStatusChanged(String provider, int status, Bundle extras) {} | |
}; | |
LocationListener locationListenerNetwork = new LocationListener() { | |
public void onLocationChanged(Location location) { | |
timer1.cancel(); | |
locationResult.gotLocation(location); | |
lm.removeUpdates(this); | |
lm.removeUpdates(locationListenerGps); | |
} | |
public void onProviderDisabled(String provider) {} | |
public void onProviderEnabled(String provider) {} | |
public void onStatusChanged(String provider, int status, Bundle extras) {} | |
}; | |
class GetLastLocation extends TimerTask { | |
@Override | |
public void run() { | |
lm.removeUpdates(locationListenerGps); | |
lm.removeUpdates(locationListenerNetwork); | |
Location net_loc=null, gps_loc=null; | |
if(gps_enabled) | |
gps_loc=lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); | |
if(network_enabled) | |
net_loc=lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); | |
//if there are both values use the latest one | |
if(gps_loc!=null && net_loc!=null){ | |
if(gps_loc.getTime()>net_loc.getTime()) | |
locationResult.gotLocation(gps_loc); | |
else | |
locationResult.gotLocation(net_loc); | |
return; | |
} | |
if(gps_loc!=null){ | |
locationResult.gotLocation(gps_loc); | |
return; | |
} | |
if(net_loc!=null){ | |
locationResult.gotLocation(net_loc); | |
return; | |
} | |
locationResult.gotLocation(null); | |
} | |
} | |
public static abstract class LocationResult{ | |
public abstract void gotLocation(Location location); | |
} | |
} |
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