import org.mapsforge.map.model.common.PreferencesFacade; //导入依赖的package包/类
public MapPanel() {
    mapView = createMapView();
    String MapPath = SimulatorMain.prefs.get("loadedMap", "");
    try {
        addLayers(mapView, MapPath);
    } catch (Exception e) {

        e.printStackTrace();
    }
    PreferencesFacade preferencesFacade = new JavaPreferences(Preferences.userNodeForPackage(MapView.class));
    final Model model = mapView.getModel();
    model.init(preferencesFacade);

    this.setPreferredSize(new Dimension(610, 610));
    this.setBorder(BorderFactory.createTitledBorder("Map"));
    mapView.setPreferredSize(new Dimension(600, 500));
    this.add(mapView);
    mapView.setVisible(true);
    Button pushButton2 = new Button("Load Map");
    add(pushButton2);
    pushButton2.addActionListener(this); // listen for Button press

    LatLong pos = new LatLong(SimulatorMain.prefs.getDouble("lat", 0), SimulatorMain.prefs.getDouble("lon", 0));
    GPSData.setLatitude(pos.getLatitude());
    GPSData.setLongitude(pos.getLongitude());
    model.mapViewPosition.setCenter(pos);
    model.mapViewPosition.setZoomLevel((byte) SimulatorMain.prefs.getInt("zoom", 16));


    final GpsEventHelper eventHelper = new GpsEventHelper();
    GPSData.addChangeListener(new GPSDataListener() {

        @Override
        public void valueChanged() {
            eventHelper.newGpsPos(GPSData.getLatitude(), GPSData.getLongitude(), true,
                    GPSData.getAltitude(), GPSData.getSpeed()*3.6, GPSData.getCourse(),
                    (float) GPSData.getQuality());
        }
    });
}
 

import org.mapsforge.map.model.common.PreferencesFacade; //导入依赖的package包/类
public WindowCloseDialog(JFrame jFrame, MapView mapView, PreferencesFacade preferencesFacade) {
	super();

	this.jFrame = jFrame;
	this.mapView = mapView;
	this.preferencesFacade = preferencesFacade;

	jFrame.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
}
 

import org.mapsforge.map.model.common.PreferencesFacade; //导入依赖的package包/类
/**
 * initializes the map view
 *
 * @param mapView the map view
 */
protected void initializeMapView(MapView mapView, PreferencesFacade preferences) {
    mapView.getModel().init(preferences);
    mapView.setClickable(true);
    mapView.getMapScaleBar().setVisible(true);
}