title: How to refresh the coordinates in Google maps?
body: <p>I can refresh the google map on refresh button click, but it is showing me the old coordinates. And in some areas it shows the rectangle image with a cross image in it. Where is the error or what modification I have to do in it?</p>
  <p>This is my code:</p>
  <pre><code>public class GmapActivity extends MapActivity {Mapview map;Button btnrefresh;Button btnbacktolist; int chargenumber=0;
  
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.gmapactivity);
  
      final Bundle bundle = this.getIntent().getExtras();
      chargenumber = bundle.getInt(&quot;ChargeNumber&quot;);
      int latitude = bundle.getInt(&quot;latitude&quot;);
      int longitude = bundle.getInt(&quot;longitute&quot;);
      CreateMap(latitude, longitude);
      
      btnrefresh = (Button) findViewById(R.id.btnReload);
      btnrefresh.setOnClickListener(new OnClickListener() {
  
          @Override
          public void onClick(View arg0) {
          
              RefreshMap();
          }
      });
  
      btnbacktolist = (Button) findViewById(R.id.btnBack);
      btnbacktolist.setOnClickListener(new OnClickListener() {
  
          @Override
          public void onClick(View arg0) {
              BacktoScheduleList(bundle);
          }
      });
  
      
  
  }
  
  protected void BacktoScheduleList(Bundle bundle) {
  
      ProgressDialog progressDialog = ProgressDialog.show(this, &quot;&quot;,
              &quot;Please wait...&quot;, true);
      bundle = this.getIntent().getExtras();
      Bundle Newbundle = new Bundle();
      Newbundle.putString(&quot;userid&quot;, bundle.getString(&quot;userid&quot;).trim());
      Newbundle.putString(&quot;username&quot;, bundle.getString(&quot;username&quot;).trim());
      Intent intent = new Intent(this, Ok.class);
      intent.putExtras(bundle);
      startActivityForResult(intent, 0);
      progressDialog.dismiss();
      finish();
  
  }
  
  private void CreateMap(int latitude, int longitude) {
  
  
  
      map = (MapView) findViewById(R.id.mvView);
      map.setBuiltInZoomControls(true);
      map.setStreetView(true);
      List&lt;Overlay&gt; mapOverlays = map.getOverlays();
      Drawable drawable = this.getResources().getDrawable(
              R.drawable.school_bus);
      MOverlayItems itemizedOverlay = new MOverlayItems(drawable, this);
      GeoPoint point = null;
      point = new GeoPoint(latitude, longitude);
      OverlayItem overlayitem = new OverlayItem(point, null, null);
      itemizedOverlay.addOverlay(overlayitem);
      mapOverlays.add(itemizedOverlay);
      MapController mapController = map.getController();
      mapController.animateTo(point);
      mapController.setZoom(12);
  
  }
  
  protected void RefreshMap() {
      map.getOverlays().clear();
      map.clearAnimation();
      WebServiceCaller webservicecaller = new WebServiceCaller();
      String result = webservicecaller.GetLatLong(chargenumber);
  
      if (result.toString().equalsIgnoreCase(&quot;false&quot;)) {
  
      } else {
          StringTokenizer tokens = new StringTokenizer(result, &quot;,&quot;);
          int latitude = Integer.parseInt(tokens.nextToken());
          int longitude = Integer.parseInt(tokens.nextToken());
          ProgressDialog progressDialog = ProgressDialog.show(this, &quot;&quot;,
                  &quot;Refreshing. Please wait...&quot;, true);
          CreateMap(latitude, longitude);
          progressDialog.dismiss();
      }
  }
  
  protected boolean isRouteDisplayed() {
      // TODO Auto-generated method stub
      return false;
  }
  }
  </code></pre>