目前，我能夠在代碼中顯示第一個點(pointStatie)的一點，但我希望顯示兩個點。

我想要顯示我所在的位置，以及我從另一個班級通過坐標的另一點。

我目前的代碼是：

package aexp.elistcbox;

import android.os.Bundle;

import android.provider.SyncStateContract.Constants;

import com.google.android.maps.MapActivity;

import com.google.android.maps.MapView;

import com.google.android.maps.MapController;

import com.google.android.maps.GeoPoint;

import android.content.Context;

import android.content.Intent;

import android.content.res.Resources;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.location.Criteria;

import android.util.Log;

import android.widget.Toast;

import android.location.Geocoder;

import android.location.Address;

import java.util.List;

import java.util.Locale;

import java.io.*;

import com.google.android.maps.Overlay;

import com.google.android.maps.OverlayItem;

import android.graphics.Canvas;

import android.graphics.Point;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.drawable.Drawable;

public class GPSLocatorActivity extends MapActivity

{

public MapView mapView;

public MapController mapController;

public LocationManager locationManager;

public LocationListener locationListener;

public String best;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.map_view);

mapView = (MapView) findViewById(R.id.mapView);

mapView.setSatellite(false);

mapView.setBuiltInZoomControls(true);

mapController = mapView.getController();

mapController.setZoom(13);

locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);

locationListener = new GPSLocationListener();

Bundle extras = getIntent().getExtras();

if(extras !=null)

{

double longitudine = extras.getDouble("long");

double latitudine = extras.getDouble("lat");

((GPSLocationListener) locationListener).setLongitudine(longitudine);

((GPSLocationListener) locationListener).setLatitudine(latitudine);

Log.e("longitudine", "* " + ((GPSLocationListener) locationListener).setLongitudine(longitudine));

Log.e("latitudine", "* " + ((GPSLocationListener) locationListener).setLatitudine(latitudine));

}

String provider = null;

if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

provider = LocationManager.GPS_PROVIDER;

} else

if(locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {

provider = LocationManager.NETWORK_PROVIDER;

}

if(provider != null) {

locationManager.requestLocationUpdates(provider, 60000, 15, locationListener);

}

Criteria crit = new Criteria();

crit.setAccuracy(Criteria.ACCURACY_FINE);

best = locationManager.getBestProvider(crit, false);

locationManager.requestLocationUpdates(best, 60000, 15, locationListener);

Location loc = locationManager.getLastKnownLocation(provider);

locationListener.onLocationChanged(loc);

}

@Override

protected boolean isRouteDisplayed() {

return false;

}

@Override

protected void onResume() {

super.onResume();

//locationManager.requestLocationUpdates(best, 10000, 1, locationListener);

Toast.makeText(this, "GPS tracking started",

Toast.LENGTH_SHORT).show();

// Start location updates; 5s/5m

LocationManager locManager = (LocationManager)getSystemService(

Context.LOCATION_SERVICE);

locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,

60000, 15, locationListener);

Criteria crit = new Criteria();

crit.setAccuracy(Criteria.ACCURACY_FINE);

String provider = locManager.getBestProvider(crit, true);

Location loc = locManager.getLastKnownLocation(provider);

}

@Override

protected void onPause() {

super.onPause();

//locationManager.removeUpdates(locationListener);

Toast.makeText(this, "GPS tracking stopped",

Toast.LENGTH_SHORT).show();

LocationManager locManager = (LocationManager)getSystemService(

Context.LOCATION_SERVICE);

locManager.removeUpdates(locationListener);

}

private class GPSLocationListener implements LocationListener

{

double longitudine;

double latitudine;

public double setLongitudine(double longitudine) {

return this.longitudine = longitudine;

}

public double setLatitudine(double latitudine) {

return this.latitudine = latitudine ;

}

public void onLocationChanged(Location location) {

Toast.makeText(GPSLocatorActivity.this, "Te plimbi",

Toast.LENGTH_SHORT).show();

if (location != null) {

Log.e("longitudine", "*2 " + longitudine);

Log.e("latitudine", "*2 " + latitudine);

GeoPoint pointStatie = new GeoPoint(

(int) (latitudine * 1E6),

(int) (longitudine * 1E6));

GeoPoint point = new GeoPoint(

(int) (location.getLatitude() * 1E6),

(int) (location.getLongitude() * 1E6));

// afisaza coordonatele

/*

Toast.makeText(getBaseContext(),

"Latitude: " + location.getLatitude() +

" Longitude: " + location.getLongitude(),

Toast.LENGTH_SHORT).show();

*/

mapController.animateTo(point);

mapController.animateTo(pointStatie);

mapController.setZoom(13);

//mapView.invalidate();

// add marker for people point

MapOverlay mapOverlay = new MapOverlay();

mapOverlay.setPointToDraw(point);

mapOverlay.setPointToDraw(pointStatie);

List listOfOverlays = mapView.getOverlays();

listOfOverlays.clear();

listOfOverlays.add(mapOverlay);

String address = ConvertPointToLocation(point);

Toast.makeText(getBaseContext(), address, Toast.LENGTH_SHORT).show();

String addressStatie = ConvertPointToLocation(pointStatie);

Toast.makeText(getBaseContext(), addressStatie, Toast.LENGTH_SHORT).show();

}

}

public String ConvertPointToLocation(GeoPoint point) {

String address = "";

Geocoder geoCoder = new Geocoder(

getBaseContext(), Locale.getDefault());

try {

List

addresses = geoCoder.getFromLocation(

point.getLatitudeE6() / 1E6,

point.getLongitudeE6() / 1E6, 1);

if (addresses.size() > 0) {

for (int index = 0;

index < addresses.get(0).getMaxAddressLineIndex(); index++)

address += addresses.get(0).getAddressLine(index) + " ";

}

}

catch (IOException e) {

e.printStackTrace();

}

return address;

}

class MapOverlay extends Overlay

{

private GeoPoint pointToDraw;

public void setPointToDraw(GeoPoint point) {

pointToDraw = point;

}

public GeoPoint getPointToDraw() {

return pointToDraw;

}

@Override

public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) {

super.draw(canvas, mapView, shadow);

// convert point to pixels

Point screenPts = new Point();

mapView.getProjection().toPixels(pointToDraw, screenPts);

// add marker

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.mark_red);

canvas.drawBitmap(bmp, screenPts.x, screenPts.y-50, null);

return true;

}

}

public void onProviderDisabled(String provider) {

}

public void onProviderEnabled (String provider) {

}

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

}

}

}

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