com.google.android.gms.maps.model.LatLng Java Examples

/**
 * Returns the length of the given path, in meters, on Earth.
 */
public static double computeLength(List<LatLng> path) {
    if (path.size() < 2) {
        return 0;
    }
    double length = 0;
    LatLng prev = path.get(0);
    double prevLat = toRadians(prev.latitude);
    double prevLng = toRadians(prev.longitude);
    for (LatLng point : path) {
        double lat = toRadians(point.latitude);
        double lng = toRadians(point.longitude);
        length += distanceRadians(prevLat, prevLng, lat, lng);
        prevLat = lat;
        prevLng = lng;
    }
    return length * EARTH_RADIUS;
}
 

/**
 * Sets marker at given location on map
 *
 * @param LocationLat  latitude
 * @param LocationLong longitude
 * @param LocationName name of location
 * @param LocationIcon icon
 */
public void ShowMarker(Double LocationLat, Double LocationLong, String LocationName, Integer LocationIcon) {
    LatLng Coord = new LatLng(LocationLat, LocationLong);

    if (ContextCompat.checkSelfPermission(activity,
            Manifest.permission.ACCESS_COARSE_LOCATION)
            == PackageManager.PERMISSION_GRANTED) {
        if (map != null) {
            map.setMyLocationEnabled(true);
            map.moveCamera(CameraUpdateFactory.newLatLngZoom(Coord, 10));

            MarkerOptions abc = new MarkerOptions();
            MarkerOptions x = abc
                    .title(LocationName)
                    .position(Coord)
                    .icon(BitmapDescriptorFactory.fromResource(LocationIcon));
            map.addMarker(x);

        }
    }
}
 

@Override
protected void onHandleIntent(Intent intent) {
    String action = intent != null ? intent.getAction() : null;
    if (ACTION_ADD_GEOFENCES.equals(action)) {
        addGeofencesInternal();
    } else if (ACTION_GEOFENCE_TRIGGERED.equals(action)) {
        geofenceTriggered(intent);
    } else if (ACTION_REQUEST_LOCATION.equals(action)) {
        requestLocationInternal();
    } else if (ACTION_LOCATION_UPDATED.equals(action)) {
        locationUpdated(intent);
    } else if (ACTION_CLEAR_NOTIFICATION.equals(action)) {
        clearNotificationInternal();
    } else if (ACTION_CLEAR_REMOTE_NOTIFICATIONS.equals(action)) {
        clearRemoteNotifications();
    } else if (ACTION_FAKE_UPDATE.equals(action)) {
        LatLng currentLocation = Utils.getLocation(this);

        // If location unknown use test city, otherwise use closest city
        String city = currentLocation == null ? TouristAttractions.TEST_CITY :
                TouristAttractions.getClosestCity(currentLocation);

        showNotification(city,
                intent.getBooleanExtra(EXTRA_TEST_MICROAPP, Constants.USE_MICRO_APP));
    }
}
 

public void initialize(boolean showPolyLine) {
    reset();
    this.showPolyline = showPolyLine;

    highLightMarker(0);

    if (showPolyLine) {
        polyLine = initializePolyLine();
    }

    // We first need to put the camera in the correct position for the first run (we need 2 markers for this).....
    LatLng markerPos = markers.get(0).getPosition();
    LatLng secondPos = markers.get(1).getPosition();

    setupCameraPositionForMovement(markerPos, secondPos);

}
 

private int whichMapQ(double lat, double lon) {
	LatLng center = mMap.getCameraPosition().target;
	double mapCenterLat = center.latitude;
	double mapCenterLon = center.longitude;
	
	if( (lat < mapCenterLat) && (lon < mapCenterLon)) {
		return 1;
	} else if( (lat > mapCenterLat) && (lon < mapCenterLon)) {
		return 2;
	} else if( (lat > mapCenterLat) && (lon > mapCenterLon)) {
		return 3;
	} else if( (lat < mapCenterLat) && (lon > mapCenterLon)) {
		return 4;
	} else {
		return 0;	
	}
}
 

private static List<Attraction> loadAttractionsFromLocation(final LatLng curLatLng) {
    String closestCity = TouristAttractions.getClosestCity(curLatLng);
    if (closestCity != null) {
        List<Attraction> attractions = ATTRACTIONS.get(closestCity);
        if (curLatLng != null) {
            Collections.sort(attractions,
                    new Comparator<Attraction>() {
                        @Override
                        public int compare(Attraction lhs, Attraction rhs) {
                            double lhsDistance = SphericalUtil.computeDistanceBetween(
                                    lhs.location, curLatLng);
                            double rhsDistance = SphericalUtil.computeDistanceBetween(
                                    rhs.location, curLatLng);
                            return (int) (lhsDistance - rhsDistance);
                        }
                    }
            );
        }
        return attractions;
    }
    return null;
}
 

public Marker addPointMarkerByHistory(MapPointLatLng mpl) {
    BitmapDescriptor mBitmapDescriptor;
    float anchorY;
    if (this.lineMarkerSelectListener.getOration() != 0) {
        mBitmapDescriptor = this.gdCustemMarkerView.createMapPointAngleNoPioView(this.context, R.drawable.x8_ai_line_point_with_angle1, mpl.altitude, mpl.nPos, mpl.showAngle, mpl.isSelect, false);
        anchorY = 0.64285713f;
    } else if (mpl.mInrertestPoint != null) {
        mpl.setAngle(getPointAngle(mpl, mpl.mInrertestPoint));
        mBitmapDescriptor = this.gdCustemMarkerView.createMapPointAngleNoPioView(this.context, R.drawable.x8_ai_line_point_with_angle1, mpl.altitude, mpl.nPos, mpl.showAngle, mpl.isSelect, false);
        anchorY = 0.64285713f;
    } else {
        mBitmapDescriptor = this.gdCustemMarkerView.createMapPointNoAngleNoPioView(this.context, R.drawable.x8_ai_line_point_no_angle1, mpl.altitude, mpl.nPos, mpl.isSelect, false);
        anchorY = 0.64285713f;
    }
    Marker marker = this.googleMap.addMarker(new MarkerOptions().position(new LatLng(mpl.latitude, mpl.longitude)).icon(mBitmapDescriptor).anchor(0.5f, anchorY).draggable(false));
    marker.setFlat(true);
    return marker;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_maps);
    String lat= getIntent().getStringExtra("lat");
    String longg= getIntent().getStringExtra("long");
    latitude= Double.parseDouble(lat);
    longitude= Double.parseDouble(longg);
    kochi = new LatLng(latitude, longitude);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        checkLocationPermission();
    }

    if (!CheckGooglePlayServices()) {
        Log.d("onCreate", "Finishing test case since Google Play Services are not available");
        finish();
    }
    else {
        Log.d("onCreate","Google Play Services available.");
    }

    SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
            .findFragmentById(R.id.map);
    mapFragment.getMapAsync(this);
}
 

private void ShowNearbyPlaces(List<HashMap<String, String>> nearbyPlacesList) {
    for (int i = 0; i < nearbyPlacesList.size(); i++) {
        Log.d("onPostExecute","Entered into showing locations");
        MarkerOptions markerOptions = new MarkerOptions();
        HashMap<String, String> googlePlace = nearbyPlacesList.get(i);
        double lat = Double.parseDouble(googlePlace.get("lat"));
        double lng = Double.parseDouble(googlePlace.get("lng"));
        String placeName = googlePlace.get("place_name");
        String vicinity = googlePlace.get("vicinity");
        LatLng latLng = new LatLng(lat, lng);
        markerOptions.position(latLng);
        markerOptions.title(placeName + " : " + vicinity);
        mMap.addMarker(markerOptions);
        markerOptions.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_RED));
        //move map camera
        mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
        mMap.animateCamera(CameraUpdateFactory.zoomTo(11));
    }
}
 

private void drawOverlay( LatLng location, int width, int height ) {
    GroundOverlayOptions options = new GroundOverlayOptions();
    options.position(location, width, height);

    options.image( BitmapDescriptorFactory
            .fromBitmap( BitmapFactory
                .decodeResource( getResources(), R.mipmap.ic_launcher ) ) );
    getMap().addGroundOverlay(options);
}
 

@Override public void onMapClick(LatLng latLng) {
  if (latLng != null) {
    appendLog(
        "Map onMapClick triggered with lat: " + latLng.latitude + ", lng: "
            + latLng.longitude);

    map.getMapInterface().getScreenLocation(latLng, this);
  } else {
    appendLog("Map onMapClick triggered with null latLng");
  }
}
 

@Override
protected Address doInBackground(LatLng... latLngs) {
  if (latLngs.length == 0) return null;
  LatLng latLng = latLngs[0];
  if (latLng == null) return null;
  try {
    List<Address> result = geocoder.getFromLocation(latLng.latitude, latLng.longitude, 1);
    return !result.isEmpty() ? result.get(0) : null;
  } catch (IOException e) {
    Log.w(TAG, "Failed to get address from location", e);
    return null;
  }
}
 

@Before
public void alloc() {
    mTitle = "Title";
    mDescription = "Description";
    mGalleryId = "galleryId";
    mPosition = new LatLng(51.5014, -0.1419);
    mGalleryUnderTest = new Gallery(mTitle, mDescription, mGalleryId, mPosition);
}
 

public FimiPoint toScreenLocation(double lat, double lng) {
    FimiPoint p = new FimiPoint();
    Point mPoint = this.googleMap.getProjection().toScreenLocation(new LatLng(lat, lng));
    if (mPoint != null) {
        p.x = mPoint.x;
        p.y = mPoint.y;
    }
    return p;
}
 

/**
 * Get the latitude distance
 *
 * @param minLatitude min latitude
 * @param maxLatitude max latitude
 * @return distance
 */
public static double getLatitudeDistance(double minLatitude,
                                         double maxLatitude) {
    LatLng lowerMiddle = new LatLng(minLatitude, 0);
    LatLng upperMiddle = new LatLng(maxLatitude, 0);
    double latDistance = SphericalUtil.computeDistanceBetween(lowerMiddle,
            upperMiddle);
    return latDistance;
}
 

@Override
protected void onPostExecute(final Address address) {
    if (address == null) {
        if (BuildConfig.DEBUG) Logger.log("no location found");
        Toast.makeText(map.getBaseContext(), R.string.no_location_found, Toast.LENGTH_SHORT).show();
    } else {
        map.getMap().animateCamera(CameraUpdateFactory
                .newLatLngZoom(new LatLng(address.getLatitude(), address.getLongitude()),
                        Math.max(10, map.getMap().getCameraPosition().zoom)));
    }
}
 

public double[] getManLatLng() {
    double[] latLng = new double[2];
    if (this.gglMapLocationManager == null) {
        return null;
    }
    LatLng ll = this.gglMapLocationManager.getManLocation();
    if (ll == null) {
        return null;
    }
    latLng[0] = ll.latitude;
    latLng[1] = ll.longitude;
    return latLng;
}
 

/**
 * Perform a query based upon the map click location and build a info message
 *
 * @param latLng      location
 * @param zoom        current zoom level
 * @param boundingBox click bounding box
 * @param tolerance   tolerance distance
 * @param projection  desired geometry projection
 * @return information message on what was clicked, or null
 */
private String buildMapClickMessage(LatLng latLng, double zoom, BoundingBox boundingBox, double tolerance, Projection projection) {
    String message = null;

    // Verify the features are indexed and we are getting information
    if (isIndexed() && (maxFeaturesInfo || featuresInfo)) {

        if (isOnAtCurrentZoom(zoom, latLng)) {

            // Get the number of features in the tile location
            long tileFeatureCount = tileFeatureCount(latLng, zoom);

            // If more than a configured max features to draw
            if (isMoreThanMaxFeatures(tileFeatureCount)) {

                // Build the max features message
                if (maxFeaturesInfo) {
                    message = buildMaxFeaturesInfoMessage(tileFeatureCount);
                }

            }
            // Else, query for the features near the click
            else if (featuresInfo) {

                // Query for results and build the message
                FeatureIndexResults results = queryFeatures(boundingBox, projection);
                message = featureInfoBuilder.buildResultsInfoMessageAndClose(results, tolerance, latLng, projection);

            }

        }
    }

    return message;
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int itemId = item.getItemId();
    switch (itemId) {
        case R.id.map_list_menu_map:
            if (googleMap != null) {
                googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
            }
            break;
        case R.id.map_list_menu_satellite:
            if (googleMap != null) {
                googleMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
            }
            break;
        case R.id.map_list_menu_hybrid:
            if (googleMap != null) {
                googleMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
            }
            break;
        case R.id.map_to_my_location:
            if (myLocation != null) {
                LatLng latLng = new LatLng(myLocation.getLatitude(), myLocation.getLongitude());
                if (googleMap != null) {
                    CameraUpdate position = CameraUpdateFactory.newLatLngZoom(latLng, googleMap.getMaxZoomLevel() - 8);
                    googleMap.animateCamera(position);
                }
            }
            break;
        case android.R.id.home:
            finishFragment();
            break;
    }
    return true;
}
 

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    v = inflater.inflate(R.layout.fragment_select_location_manual , container , false);
    context = getActivity();
    latLng = new LatLng(0 , 0);

    setupViews();

    return v;
}
 

@Override
public void onLocationChanged(@NonNull Location location) {
    mLocation = location;
    if (!isAdded() || isDetached() || mMap == null)
        return;
    LatLng pos = new LatLng(location.getLatitude(), location.getLongitude());
    if (mLine != null) {
        ArrayList<LatLng> points = new ArrayList<>();
        points.add(pos);
        points.add(mKaabePos);
        mLine.setPoints(points);
        mMarker.setPosition(pos);
        mCircle.setCenter(pos);
        mCircle.setRadius(location.getAccuracy());
        mMap.animateCamera(CameraUpdateFactory.newLatLng(pos));
    } else {
        //zoom first time
        mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(location.getLatitude(), location.getLongitude()), 15));


        mLine = mMap.addPolyline(
                new PolylineOptions().add(pos).add(mKaabePos).geodesic(true).color(Color.parseColor("#3bb2d0")).width(3).zIndex(1));

        mMarker = mMap.addMarker(
                new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_mylocation)).anchor(0.5f, 0.5f).position(pos)
                        .zIndex(2));

        mCircle = mMap.addCircle(
                new CircleOptions().center(pos).fillColor(0xAA4FC3F7).strokeColor(getResources().getColor(R.color.colorPrimary)).strokeWidth(2)
                        .radius(mLocation.getAccuracy()));
    }


}
 

public Geofence(Long id, boolean active, String name, LatLng centerLocation, double radius, Bitmap snapshot, Map<EventType, List<Action>> actionsMap, @State String state) {
    this.id = id;
    this.active = active;
    this.name = name;
    this.centerLocation = centerLocation;
    this.radius = radius;
    this.snapshot = snapshot;
    this.actionsMap = actionsMap;
    this.state = state;
}
 

@Override
public void onLocationChanged(@NonNull Location location) {
    mLocation = location;
    if (!isAdded() || isDetached() || mMap == null)
        return;
    LatLng pos = new LatLng(location.getLatitude(), location.getLongitude());
    if (mLine != null) {
        ArrayList<LatLng> points = new ArrayList<>();
        points.add(pos);
        points.add(mKaabePos);
        mLine.setPoints(points);
        mMarker.setPosition(pos);
        mCircle.setCenter(pos);
        mCircle.setRadius(location.getAccuracy());
        mMap.animateCamera(CameraUpdateFactory.newLatLng(pos));
    } else {
        //zoom first time
        mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(location.getLatitude(), location.getLongitude()), 15));


        mLine = mMap.addPolyline(
                new PolylineOptions().add(pos).add(mKaabePos).geodesic(true).color(Color.parseColor("#3bb2d0")).width(3).zIndex(1));

        mMarker = mMap.addMarker(
                new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_mylocation)).anchor(0.5f, 0.5f).position(pos)
                        .zIndex(2));

        mCircle = mMap.addCircle(
                new CircleOptions().center(pos).fillColor(0xAA4FC3F7).strokeColor(getResources().getColor(R.color.colorPrimary)).strokeWidth(2)
                        .radius(mLocation.getAccuracy()));
    }


}
 

public void animateCamera(final LatLng latLng) {
    if (googleMap != null) {
        googleMap.setOnMapLoadedCallback(new GoogleMap.OnMapLoadedCallback() {
            @Override
            public void onMapLoaded() {
                googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(
                        latLng,
                        17
                ));
            }
        });
    }
}
 

private void initCamera() {
    CameraPosition position = CameraPosition.builder()
            .target( new LatLng( 40.7506, -73.9936 ) )
            .zoom( 18f )
            .bearing( 0.0f )
            .tilt( 0.0f )
            .build();

    getMap().animateCamera( CameraUpdateFactory.newCameraPosition( position ), null );
    getMap().setMapType(GoogleMap.MAP_TYPE_HYBRID);
}
 

@Override
public void onMapLongClick(LatLng latLng) {
    MarkerOptions options = new MarkerOptions().position( latLng );
    options.title( getAddressFromLatLng(latLng) );

    options.icon( BitmapDescriptorFactory.fromBitmap(
            BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher ) ) );

    getMap().addMarker(options);
}
 

@Override
public void onMapReady( GoogleMap googleMap ){
    map = googleMap;
    if( isLocationEnable() ){
        Location location = getLastKnownLocation();
        if( location != null ){
            double latitude = location.getLatitude();
            double longitude = location.getLongitude();
            LatLng current = new LatLng( latitude, longitude );
            map.moveCamera( CameraUpdateFactory.newLatLngZoom( current, DEFAULT_ZOOM ) );
        }
    }
    setupMap();
}
 

/**
 * Computes the distance on the sphere between the point p and the line segment start to end.
 *
 * @param p     the point to be measured
 * @param start the beginning of the line segment
 * @param end   the end of the line segment
 * @return the distance in meters (assuming spherical earth)
 */
public static double distanceToLine(final LatLng p, final LatLng start, final LatLng end) {
    if (start.equals(end)) {
        computeDistanceBetween(end, p);
    }

    final double s0lat = toRadians(p.latitude);
    final double s0lng = toRadians(p.longitude);
    final double s1lat = toRadians(start.latitude);
    final double s1lng = toRadians(start.longitude);
    final double s2lat = toRadians(end.latitude);
    final double s2lng = toRadians(end.longitude);

    double s2s1lat = s2lat - s1lat;
    double s2s1lng = s2lng - s1lng;
    final double u = ((s0lat - s1lat) * s2s1lat + (s0lng - s1lng) * s2s1lng) /
            (s2s1lat * s2s1lat + s2s1lng * s2s1lng);
    if (u <= 0) {
        return computeDistanceBetween(p, start);
    }
    if (u >= 1) {
        return computeDistanceBetween(p, end);
    }
    LatLng sa = new LatLng(p.latitude - start.latitude, p.longitude - start.longitude);
    LatLng sb = new LatLng(u * (end.latitude - start.latitude),
            u * (end.longitude - start.longitude));
    return computeDistanceBetween(sa, sb);
}
 

/**
 * This is where we can add markers or lines, add listeners or move the camera. In this case, we
 * just add a marker near Africa.
 * <p/>
 * This should only be called once and when we are sure that {@link #mMap} is not null.
 */
private void setUpMap() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQ_LOCATION);
            im.actor.runtime.Log.d("Permissions", "MapPickerActivity.setUpMap - no permission :c");
            return;
        }
    }

    LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
    for (String provider : locationManager.getAllProviders()) {
        currentLocation = locationManager.getLastKnownLocation(provider);
        if (currentLocation != null) {
            break;
        }
    }

    if (currentLocation != null) {
        mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude()), 14));
        fetchPlaces(null);
    }
    mMap.setOnMyLocationChangeListener(this);
    mMap.getUiSettings().setMyLocationButtonEnabled(false);
    mMap.getUiSettings().setZoomControlsEnabled(false);
    mMap.getUiSettings().setCompassEnabled(false);
    mMap.setMyLocationEnabled(true);
    mMap.setOnMapLongClickListener(this);
    mMap.setOnMarkerClickListener(this);
}
 

@Override
public IGeoPoint fromPixels(final int x, final int y) {
	mPoint.x = x;
	mPoint.y = y;
	final LatLng latLng = mProjection.fromScreenLocation(mPoint);
	return new GeoPoint(latLng);
}