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August 6, 2016 10:56
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import android.app.Service; | |
import android.content.Context; | |
import android.content.DialogInterface; | |
import android.content.Intent; | |
import android.location.Location; | |
import android.location.LocationListener; | |
import android.location.LocationManager; | |
import android.os.Bundle; | |
import android.os.IBinder; | |
import android.provider.Settings; | |
import android.support.v7.app.AlertDialog; | |
/** | |
* Created by Ashish lal | |
* ashishmehra610@gmail.com | |
* on 08-Jun-16. | |
* how to use | |
* | |
GPSTracker gps = new GPSTracker(context); | |
// Check if GPS enabled | |
if (gps.canGetLocation()) { | |
double latitude = gps.getLatitude(); | |
double longitude = gps.getLongitude(); | |
lr_longlat = latitude + "," + longitude; | |
} else { | |
// Can't get location. | |
// GPS or network is not enabled. | |
// Ask user to enable GPS/network in settings. | |
gps.showSettingsAlert(); | |
} | |
* | |
*/ | |
public class GPSTracker extends Service implements LocationListener { | |
private final Context mContext; | |
// Flag for GPS status | |
boolean isGPSEnabled = false; | |
// Flag for network status | |
boolean isNetworkEnabled = false; | |
// Flag for GPS status | |
boolean canGetLocation = false; | |
Location location; // Location | |
double latitude; // Latitude | |
double longitude; // Longitude | |
// The minimum distance to change Updates in meters | |
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters | |
// The minimum time between updates in milliseconds | |
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute | |
// Declaring a Location Manager | |
protected LocationManager locationManager; | |
public GPSTracker(Context context) { | |
this.mContext = context; | |
getLocation(); | |
} | |
public Location getLocation() { | |
try { | |
locationManager = (LocationManager) mContext | |
.getSystemService(LOCATION_SERVICE); | |
// Getting GPS status | |
isGPSEnabled = locationManager | |
.isProviderEnabled(LocationManager.GPS_PROVIDER); | |
// Getting network status | |
isNetworkEnabled = locationManager | |
.isProviderEnabled(LocationManager.NETWORK_PROVIDER); | |
if (!isGPSEnabled && !isNetworkEnabled) { | |
// No network provider is enabled | |
} else { | |
this.canGetLocation = true; | |
if (isNetworkEnabled) { | |
locationManager.requestLocationUpdates( | |
LocationManager.NETWORK_PROVIDER, | |
MIN_TIME_BW_UPDATES, | |
MIN_DISTANCE_CHANGE_FOR_UPDATES, this); | |
// Log.d("Network", "Network"); | |
if (locationManager != null) { | |
location = locationManager | |
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); | |
if (location != null) { | |
latitude = location.getLatitude(); | |
longitude = location.getLongitude(); | |
} | |
} | |
} | |
// If GPS enabled, get latitude/longitude using GPS Services | |
if (isGPSEnabled) { | |
if (location == null) { | |
locationManager.requestLocationUpdates( | |
LocationManager.GPS_PROVIDER, | |
MIN_TIME_BW_UPDATES, | |
MIN_DISTANCE_CHANGE_FOR_UPDATES, this); | |
// Log.d("GPS Enabled", "GPS Enabled"); | |
if (locationManager != null) { | |
location = locationManager | |
.getLastKnownLocation(LocationManager.GPS_PROVIDER); | |
if (location != null) { | |
latitude = location.getLatitude(); | |
longitude = location.getLongitude(); | |
} | |
} | |
} | |
} | |
} | |
} | |
catch (Exception e) { | |
e.printStackTrace(); | |
} | |
return location; | |
} | |
/** | |
* Stop using GPS listener | |
* Calling this function will stop using GPS in your app. | |
* */ | |
public void stopUsingGPS(){ | |
if(locationManager != null){ | |
locationManager.removeUpdates(GPSTracker.this); | |
} | |
} | |
/** | |
* Function to get latitude | |
* */ | |
public double getLatitude(){ | |
if(location != null){ | |
latitude = location.getLatitude(); | |
} | |
// return latitude | |
return latitude; | |
} | |
/** | |
* Function to get longitude | |
* */ | |
public double getLongitude(){ | |
if(location != null){ | |
longitude = location.getLongitude(); | |
} | |
// return longitude | |
return longitude; | |
} | |
/** | |
* Function to check GPS/Wi-Fi enabled | |
* @return boolean | |
* */ | |
public boolean canGetLocation() { | |
return this.canGetLocation; | |
} | |
/** | |
* Function to show settings alert dialog. | |
* On pressing the Settings button it will launch Settings Options. | |
* */ | |
public void showSettingsAlert(){ | |
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext); | |
// Setting Dialog Title | |
alertDialog.setTitle("GPS is settings"); | |
// Setting Dialog Message | |
alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?"); | |
// On pressing the Settings button. | |
alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() { | |
public void onClick(DialogInterface dialog,int which) { | |
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); | |
mContext.startActivity(intent); | |
} | |
}); | |
// On pressing the cancel button | |
alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { | |
public void onClick(DialogInterface dialog, int which) { | |
dialog.cancel(); | |
} | |
}); | |
// Showing Alert Message | |
alertDialog.show(); | |
} | |
@Override | |
public void onLocationChanged(Location location) { | |
} | |
@Override | |
public void onProviderDisabled(String provider) { | |
} | |
@Override | |
public void onProviderEnabled(String provider) { | |
} | |
@Override | |
public void onStatusChanged(String provider, int status, Bundle extras) { | |
} | |
@Override | |
public IBinder onBind(Intent arg0) { | |
return null; | |
} | |
} |
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