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April 10, 2015 03:53
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The best way for get location in background service in Android
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/* | |
* LocationService | |
* La mejor forma de obtener Lat y Long dependiendo el proveedor. | |
* Usando un BroadcastReceiver para la obtención de location | |
* | |
* import android.content.BroadcastReceiver; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.os.Bundle; | |
import android.util.Log; | |
public class LocationReceiver extends BroadcastReceiver { | |
@Override | |
public void onReceive(Context context, Intent intent) { | |
Bundle extras = intent.getExtras(); | |
if (extras != null) { | |
Log.d("LocationReceiver", "Sí"); | |
Log.d("Latitude", ":" +extras.getString("Latitude")); | |
Log.d("Longitude", ":" +extras.getString("Longitude")); | |
Log.d("Provider", ":" +extras.getString("Provider")); | |
} | |
} | |
} | |
* | |
*/ | |
public class LocationService extends Service | |
{ | |
public static final String BROADCAST_ACTION = "BroadcastLocationFastium"; | |
private static final int TWO_MINUTES = 1000 * 60 * 2; | |
public LocationManager locationManager; | |
public MyLocationListener listener; | |
public Location previousBestLocation = null; | |
public int mIntervalLocation; | |
Intent intent; | |
int counter = 0; | |
@Override | |
public void onCreate() | |
{ | |
super.onCreate(); | |
intent = new Intent(BROADCAST_ACTION); | |
} | |
@Override | |
public void onStart(Intent intent, int startId) | |
{ | |
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); | |
listener = new MyLocationListener(); | |
/* | |
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 4000, 0, listener); | |
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 4000, 0, listener); | |
*/ | |
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, TWO_MINUTES, 0, listener); | |
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, TWO_MINUTES, 0, listener); | |
} | |
@Override | |
public IBinder onBind(Intent intent) | |
{ | |
return null; | |
} | |
protected boolean isBetterLocation(Location location, Location currentBestLocation) { | |
if (currentBestLocation == null) { | |
// A new location is always better than no location | |
return true; | |
} | |
// Check whether the new location fix is newer or older | |
long timeDelta = location.getTime() - currentBestLocation.getTime(); | |
boolean isSignificantlyNewer = timeDelta > TWO_MINUTES; | |
boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES; | |
boolean isNewer = timeDelta > 0; | |
// If it's been more than two minutes since the current location, use the new location | |
// because the user has likely moved | |
if (isSignificantlyNewer) { | |
return true; | |
// If the new location is more than two minutes older, it must be worse | |
} else if (isSignificantlyOlder) { | |
return false; | |
} | |
// Check whether the new location fix is more or less accurate | |
int accuracyDelta = (int) (location.getAccuracy() - currentBestLocation.getAccuracy()); | |
boolean isLessAccurate = accuracyDelta > 0; | |
boolean isMoreAccurate = accuracyDelta < 0; | |
boolean isSignificantlyLessAccurate = accuracyDelta > 200; | |
// Check if the old and new location are from the same provider | |
boolean isFromSameProvider = isSameProvider(location.getProvider(), | |
currentBestLocation.getProvider()); | |
// Determine location quality using a combination of timeliness and accuracy | |
if (isMoreAccurate) { | |
return true; | |
} else if (isNewer && !isLessAccurate) { | |
return true; | |
} else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) { | |
return true; | |
} | |
return false; | |
} | |
/** Checks whether two providers are the same */ | |
private boolean isSameProvider(String provider1, String provider2) { | |
if (provider1 == null) { | |
return provider2 == null; | |
} | |
return provider1.equals(provider2); | |
} | |
@Override | |
public void onDestroy() { | |
// handler.removeCallbacks(sendUpdatesToUI); | |
super.onDestroy(); | |
Log.v("STOP_SERVICE", "DONE"); | |
locationManager.removeUpdates(listener); | |
} | |
//public static Thread performOnBackgroundThread(final Runnable runnable) { | |
public Thread performOnBackgroundThread(final Runnable runnable) { | |
final Thread t = new Thread() { | |
@Override | |
public void run() { | |
try { | |
runnable.run(); | |
} finally { | |
} | |
} | |
}; | |
t.start(); | |
return t; | |
} | |
public class MyLocationListener implements LocationListener | |
{ | |
public void onLocationChanged(final Location loc) | |
{ | |
Log.i("**************************************", "Location changed"); | |
if(isBetterLocation(loc, previousBestLocation)) { | |
loc.getLatitude(); | |
loc.getLongitude(); | |
intent.putExtra("Latitude", String.valueOf(loc.getLatitude())); | |
intent.putExtra("Longitude", String.valueOf(loc.getLongitude())); | |
intent.putExtra("Provider", loc.getProvider()); | |
sendBroadcast(intent); | |
//Log.d("LOCATION", "LON:" + String.valueOf(loc.getLongitude()) + " LAT:" + String.valueOf(loc.getLatitude())); | |
//Toast.makeText( getApplicationContext(), "LON:" + String.valueOf(loc.getLongitude()) + " LAT" + String.valueOf(loc.getLatitude()), Toast.LENGTH_SHORT ).show(); | |
} | |
} | |
public void onProviderDisabled(String provider) | |
{ | |
Toast.makeText( getApplicationContext(), "Gps Deshabilitado", Toast.LENGTH_SHORT ).show(); | |
} | |
public void onProviderEnabled(String provider) | |
{ | |
Toast.makeText( getApplicationContext(), "Gps Habilitado", Toast.LENGTH_SHORT).show(); | |
} | |
public void onStatusChanged(String provider, int status, Bundle extras) | |
{ | |
} | |
} | |
} |
Hi, how do I called the service? And where should I called the Service? In my fragment or main activity?
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hi, how to do this in kotlin