FTMapActivity.java :  » Location » friendtracker » atila » android » friendtracker » Android Open Source

package atila.android.friendtracker;

import java.util.List;

import android.location.Location;
import android.location.LocationListener;
import android.os.Bundle;
import atila.android.friendtracker.app.Control;
import atila.android.friendtracker.app.G;

import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
/*
 * FriendTracker
 * Copyright (c) 2009 Juan Gomez Mosquera
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Or you can get a 
 * copy here: <http://www.gnu.org/licenses/>.
 */
public class FTMapActivity extends MapActivity 
{
  //private LocationMgr m_LocationMgr;
  
  private MapView m_MapView;
  private MapController m_MapController;
  private LocationListener m_LocationListener;
  
  //public Position m_Position; //<JGM> La posicin del mapa
     
  @Override
    public void onCreate(Bundle bundle) 
  {
        super.onCreate(bundle);
        setContentView( R.layout.map );
       //Cache
        Control control = G.g_Control;
        control.m_Map = this;
        //<JGM> Iniciamos el LocationMgr de Control
        control.m_LocationMgr.Init();
        //<JGM> Inicimos al usuario, ahora que podemos representarlo grficamente
        control.m_User.Init();
        
        //<JGM> activamos los listeners.
        m_LocationListener = new FTMapLocationListener(this);
               
        m_MapView = (MapView) findViewById( R.id.map );
        MapController mapController = m_MapView.getController();
        mapController.animateTo(control.m_User.m_Position.GetMapPoint() );
        mapController.setZoom(10);
        m_MapController = mapController; 
      
        m_MapView.setBuiltInZoomControls(true);
        m_MapView.displayZoomControls(true);
        
        
        List<Overlay> overlays = m_MapView.getOverlays();
        overlays.add(control.m_User.m_Overlay);
        
           
        UpdateMap();
  }
  
  @Override
  public void onStart() 
  {
    super.onStart();
    
    String provider = G.g_Control.m_LocationMgr.m_Provider.getName();
    Location loc = G.g_Control.m_LocationMgr.m_LocMgr.getLastKnownLocation(provider);
    if( loc != null )
      G.g_Control.m_User.m_Position.SetPosition( loc );
    
    UpdateMap();
  
    //<JGM> Parametrizar
    G.g_Control.m_LocationMgr.m_LocMgr.requestLocationUpdates(provider, 
                         60000, // 1min
                         1000,  // 1km
                                           m_LocationListener);

  }
  
  @Override 
  public void onStop() 
  {
    G.g_Control.m_LocationMgr.m_LocMgr.removeUpdates(m_LocationListener);
    super.onStop();
  }
  
  @Override
  protected boolean isRouteDisplayed() 
  {
    // TODO Auto-generated method stub
    return false;
  }
  
  public boolean UpdateMap()
  {
    //<JGM> Actualizamos nuestra posicion
    m_MapView.invalidate();
    m_MapController.animateTo( G.g_Control.m_User.m_Position.GetMapPoint() );
    
    return true;
  }

}