GPSTracker.java

package com.newagesmb_livin.locationpicker;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;


/**
 * 
 * @author livin
 *
 */
public class GPSTracker extends Service implements LocationListener {

	private final Context mContext;

	boolean isGPSEnabled = false;

	boolean isNetworkEnabled = false;

	public boolean canGetLocation = false;

	Location location;
	double latitude;
	double longitude;

	private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; 
																	

	private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1;

	protected LocationManager locationManager;

	public GPSTracker(Context context) {
		this.mContext = context;
		getLocation();
	}

	public Location getLocation() {
		try {
			locationManager = (LocationManager) mContext
					.getSystemService(LOCATION_SERVICE);
			isGPSEnabled = locationManager
					.isProviderEnabled(LocationManager.GPS_PROVIDER);
			isNetworkEnabled = locationManager
					.isProviderEnabled(LocationManager.NETWORK_PROVIDER);

			if (!isGPSEnabled && !isNetworkEnabled) {
			} else {
				this.canGetLocation = true;
				if (isNetworkEnabled) {
					locationManager.requestLocationUpdates(
							LocationManager.NETWORK_PROVIDER,
							MIN_TIME_BW_UPDATES,
							MIN_DISTANCE_CHANGE_FOR_UPDATES, this);

					Log.v("Network", "Network");

					if (locationManager != null) {
						location = locationManager
								.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
						updateGPSCoordinates();
					}
				}
				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);
							updateGPSCoordinates();
						}
					}
				}
			}
		} catch (Exception e) {
			Log.e("Error : Location",
					"Impossible to connect to LocationManager", e);
		}

		return location;
	}

	public void updateGPSCoordinates() {
		if (location != null) {
			latitude = location.getLatitude();
			longitude = location.getLongitude();
		}
	}


	public void stopUsingGPS() {
		if (locationManager != null) {
			locationManager.removeUpdates(GPSTracker.this);
		}
	}

	public double getLatitude() {
		if (location != null) {
			latitude = location.getLatitude();
		}

		return latitude;
	}

	public double getLongitude() {
		if (location != null) {
			longitude = location.getLongitude();
		}

		return longitude;
	}

	public boolean canGetLocation() {
		return this.canGetLocation;
	}


	public List<Address> getGeocoderAddress(Context context) {
		if (location != null) {
			Geocoder geocoder = new Geocoder(context, Locale.ENGLISH);
			try {
				List<Address> addresses = geocoder.getFromLocation(latitude,
						longitude, 1);
				return addresses;
			} catch (IOException e) {
				// e.printStackTrace();
				Log.e("Error : Geocoder", "Impossible to connect to Geocoder",
						e);
			}
		}

		return null;
	}
	public String getAddressLine(Context context) {
		List<Address> addresses = getGeocoderAddress(context);
		if (addresses != null && addresses.size() > 0) {
			Address address = addresses.get(0);
			String addressLine = address.getAddressLine(0);

			return addressLine;
		} else {
			return null;
		}
	}
	public String getLocality(Context context) {
		List<Address> addresses = getGeocoderAddress(context);
		if (addresses != null && addresses.size() > 0) {
			Address address = addresses.get(0);
			String locality = address.getLocality();

			return locality;
		} else {
			return null;
		}
	}
	public String getPostalCode(Context context) {
		List<Address> addresses = getGeocoderAddress(context);
		if (addresses != null && addresses.size() > 0) {
			Address address = addresses.get(0);
			String postalCode = address.getPostalCode();

			return postalCode;
		} else {
			return null;
		}
	}
	public String getCountryName(Context context) {
		List<Address> addresses = getGeocoderAddress(context);
		if (addresses != null && addresses.size() > 0) {
			Address address = addresses.get(0);
			String countryName = address.getCountryName();

			return countryName;
		} else {
			return null;
		}
	}

	@Override
	public IBinder onBind(Intent intent) {
	
		return null;
	}

	@Override
	public void onLocationChanged(Location arg0) {
	

	}

	@Override
	public void onProviderDisabled(String arg0) {
	

	}

	@Override
	public void onProviderEnabled(String provider) {
	

	}

	@Override
	public void onStatusChanged(String provider, int status, Bundle extras) {
	

	}

}