Android Open Source - GeoAlarms Loc Listener

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Back to project page GeoAlarms.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.geoalarms.location;
//  w  w w  .j  a  v a2 s.  c o  m
import java.util.List;

import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.geoalarms.GeoAlarms;
import com.geoalarms.activity.Map;
import com.geoalarms.model.Alarm;

public class LocListener implements LocationListener {

  private LocationManager locManager;
  private PendingIntent pendingIntent;
  private final int NOEXPIRATION = -1;

  public LocListener() {
    locManager = (LocationManager) GeoAlarms.context
        .getSystemService(Context.LOCATION_SERVICE);

    // Initialize the pending intent
    Intent intent = new Intent(GeoAlarms.PROX_ALERT_INTENT);
    pendingIntent = PendingIntent.getBroadcast(GeoAlarms.context, 
                                               0,
                                           intent, 
                                           0);

    // Provider location by GPS, minimum time 1000ms, minimum distance 1
    // foot
    locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 
                                      1000,
                                  1f, 
                                  this);
    locManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER,
        100, 1f, this);

    // Set a proximity alert to every alarm in the system
    addAllProximityAlerts();
  }

  public void onLocationChanged(Location location) {
    Log.v("LocListener", "Location Changed");
    Log.v("LocListener", "Lat: " + location.getLatitude() + "," + "Long: "
        + location.getLongitude());
    // Intent in = new Intent(GeoAlarms.context,Map.class);
    // GeoAlarms.context.startActivity(in);
    Toast.makeText(
        GeoAlarms.context,
        "Location Changed" + location.getLongitude() + ","
            + location.getLatitude(), Toast.LENGTH_SHORT);

  }

  public void onProviderDisabled(String provider) {
    // TODO Auto-generated method stub

  }

  public void onProviderEnabled(String provider) {
    // TODO Auto-generated method stub

  }

  public void onStatusChanged(String provider, int status, Bundle extras) {
    // TODO Auto-generated method stub

  }

  public void addProximityAlert(double latitude, double longitude,
      int point_radius, int alert_expiration,
      PendingIntent proximityIntent) {

    locManager.addProximityAlert(latitude, // the latitude of the central
                        // point of the alert region
        longitude, // the longitude of the central point of the alert
              // region
        point_radius, // the radius of the central point of the alert
                // region, in meters
        alert_expiration, // time for this proximity alert, in
                  // milliseconds, or -1 to indicate no
                  // expiration
        proximityIntent // will be used to generate an Intent to fire
                // when entry to or exit from the alert region
                // is detected
        );

    IntentFilter filter = new IntentFilter(GeoAlarms.PROX_ALERT_INTENT);
    GeoAlarms.context.registerReceiver(new ProximityIntentReceiver(),
        filter);
  }

  public void resetProximityAlerts() {
    locManager.removeProximityAlert(pendingIntent);
    addAllProximityAlerts();
  }

  private void addAllProximityAlerts() {
    List<Alarm> alarms = GeoAlarms.alarmManager.getAllAlarms();

    for (Alarm alarm : alarms) {
      addProximityAlert(alarm.coordinates.getLatitude(),
                    alarm.coordinates.getLongitude(), 
                    alarm.radius,
                    NOEXPIRATION, 
                    this.pendingIntent);
    }
  }
}

Java Source Code List

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