myLocationOverlay を使用して地図上に現在の位置を表示する必要がある MapActivity があり、サービスから位置を取得します。
ここに私の活動があります:
public class ShowMapActivity extends MapActivity {
private MapController mapController;
private MapView mapView;
private LocationManager locationManager;
private MyOverlayUtility itemizedoverlay;
private MyLocationOverlay myLocationOverlay;
private double latitude;
private double longitude;
public void onCreate(Bundle bundle) {
super.onCreate(bundle);
setContentView(R.layout.activity_showmap);
Intent serviceIntent = new Intent(this, LocationService.class);
serviceIntent.setAction("startListening");
startService(new Intent(this, LocationService.class));
// check if the GPS is on
// isGPSEnable();
IntentFilter filter = new IntentFilter();
filter.addAction(UPDATE_MAP);
registerReceiver(updateReceiver, filter);
// Configure the Map
mapView = (MapView) findViewById(R.id.mapview);
mapView.setBuiltInZoomControls(true);
mapView.setSatellite(true);
mapController = mapView.getController();
mapController.setZoom(14);
myLocationOverlay = new MyLocationOverlay(this, mapView);
myLocationOverlay.runOnFirstFix(new Runnable() {
public void run() {
mapView.getController().animateTo(
myLocationOverlay.getMyLocation());
}
});
}
@Override
protected boolean isRouteDisplayed() {
return true;
}
private final String UPDATE_MAP = "com.livetrekker.activities.UPDTAE_LOCATION";
private BroadcastReceiver updateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
longitude = intent.getDoubleExtra("long", 0);
latitude = intent.getDoubleExtra("lat", 0);
Log.e("LOCATION", "lat = " + latitude + " long = " + longitude);
}
};}
そして、ここに私のサービスがあります:
public class LocationService extends Service implements LocationListener {
private final String UPDATE_MAP = "com.livetrekker.activities.UPDTAE_LOCATION";
private LocationManager locationManager;
private String provider;
private Location location;
@Override
public int onStartCommand(final Intent intent, final int flags,
final int startId) {
Log.e("Service", "start location");
// if (intent.getAction().equals("startListening")) {
locationManager = (LocationManager) this
.getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
provider = locationManager.getBestProvider(criteria, false);
Location location = locationManager.getLastKnownLocation(provider);
if (location != null) {
Log.e("LOCATION", "Provider " + provider + " has been selected");
onLocationChanged(location);
}
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0,
0, this);
// }
/*
* else { if (intent.getAction().equals("stopListening")) {
* locationManager.removeUpdates(this); locationManager = null; } }
*/
return START_STICKY;
}
@Override
public IBinder onBind(final Intent intent) {
return null;
}
@Override
public void onLocationChanged(final Location location) {
this.location = location;
double lng = location.getLongitude();
double lat = location.getLatitude();
Log.e("SERVICELOCATION", "lat : " + lat + " lng : " + lng);
Intent updateIntent = new Intent();
updateIntent.putExtra("long", lng);
updateIntent.putExtra("lat", lat);
updateIntent.setAction(UPDATE_MAP);
getApplicationContext().sendBroadcast(updateIntent);
}
public void onProviderDisabled(final String provider) {
}
public void onProviderEnabled(final String provider) {
}
public void onStatusChanged(final String arg0, final int arg1,
final Bundle arg2) {
}}
そのため、ロケーションマネージャーは正常に機能し、アクティビティで緯度と経度を取得できますが、myLocationOverlay は表示されません。
その方法を使用して、現在の位置を地図上に表示することはできますか?
ありがとう
編集：
問題を修正して交換します
myLocationOverlay = new MyLocationOverlay(this, mapView);
myLocationOverlay.runOnFirstFix(new Runnable() {
public void run() {
mapView.getController().animateTo(
myLocationOverlay.getMyLocation());
}
});
に ：
List overlays = mapView.getOverlays();
MyLocationOverlay myLocationOverlay = new MyLocationOverlay(this, mapView);
myLocationOverlay.enableMyLocation();
overlays.add(myLocationOverlay);