org.osmdroid.views.overlay.ScaleBarOverlay Java Examples

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final DisplayMetrics displayMetrics = getActivity().getResources().getDisplayMetrics();
    mMapSize = Math.min(displayMetrics.widthPixels, displayMetrics.heightPixels);
    mBorderSize = mMapSize / 15;

    mScaleBarOverlay = new ScaleBarOverlay(getActivity(), mMapSize, mMapSize);
    mScaleBarOverlay.setCentred(true);
    mScaleBarOverlay.setScaleBarOffset(mMapSize / 2, 10);

    final RecyclerView recyclerView = new RecyclerView(getActivity());
    recyclerView.setHasFixedSize(true);

    final RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getActivity());
    recyclerView.setLayoutManager(layoutManager);

    try {
        final DataRegionLoader dataRegionLoader = new DataRegionLoader(getActivity(), R.raw.data_region_usstates);
        mAdapter = new MyAdapter(new ArrayList<>(dataRegionLoader.getList().values()));
        recyclerView.setAdapter(mAdapter);
    } catch(Exception e) {
        // DataRegionLoader KO, not supposed to happen
    }

    return recyclerView;
}
 

@Override
public void addOverlays(){
    super.addOverlays();
    final Context context = this.getActivity();
    final DisplayMetrics dm = context.getResources().getDisplayMetrics();

    ScaleBarOverlay scaleBarOverlay = new ScaleBarOverlay(mMapView);

    scaleBarOverlay.setCentred(true);

    //api15 and up, 85 is right at the bottom
    //we are also adding 20dp padding for the overlay overlay which is added by the super class
    scaleBarOverlay.setScaleBarOffset(dm.widthPixels / 2, dm.heightPixels - (int)(105*dm.density));

    scaleBarOverlay.setUnitsOfMeasure(ScaleBarOverlay.UnitsOfMeasure.imperial);
    mMapView.getOverlayManager().add(scaleBarOverlay);
}
 

@Override
public void addOverlays(){
    super.addOverlays();

    final DisplayMetrics dm = getActivity().getResources().getDisplayMetrics();
    RotationGestureOverlay  mRotationGestureOverlay = new RotationGestureOverlay(mMapView);
    mRotationGestureOverlay.setEnabled(true);
    mMapView.getOverlays().add(mRotationGestureOverlay);

    ScaleBarOverlay mScaleBarOverlay = new ScaleBarOverlay(mMapView);
    mScaleBarOverlay.setScaleBarOffset(0,(int)(40 * dm.density));
    mScaleBarOverlay.setCentred(true);
    mScaleBarOverlay.setScaleBarOffset(dm.widthPixels / 2, 10);
    mMapView.getOverlays().add(mScaleBarOverlay);

}
 

/**
 * Description:     Initialises the Map and sets initial options such as:
 *                      Zoom levels and controls
 *                      Compass
 *                      ScaleBar
 *                      Cluster Pin colors
 *                      Location update settings
 */
private void setUpMapIfNeeded() {

    // Check if we were successful in obtaining the map.
    mMap.setBuiltInZoomControls(true);
    mMap.setMultiTouchControls(true);
    mMap.setMinZoomLevel(3);
    mMap.setMaxZoomLevel(19); // Latest OSM can go to 21!
    mMap.getTileProvider().createTileCache();
    mCompassOverlay = new CompassOverlay(getActivity(), new InternalCompassOrientationProvider(getActivity()), mMap);

    ScaleBarOverlay mScaleBarOverlay = new ScaleBarOverlay(getActivity());
    mScaleBarOverlay.setScaleBarOffset(getResources().getDisplayMetrics().widthPixels / 2, 10);
    mScaleBarOverlay.setCentred(true);

    // Sets cluster pin color
    mCellTowerGridMarkerClusterer = new CellTowerGridMarkerClusterer(getActivity());
    //BitmapDrawable mapPinDrawable = (BitmapDrawable) getResources().getDrawable(R.drawable.ic_map_pin_orange);
    BitmapDrawable mapPinDrawable = (BitmapDrawable) ResourcesCompat.getDrawable(getResources(), R.drawable.ic_map_pin_orange, null);
    mCellTowerGridMarkerClusterer.setIcon(mapPinDrawable == null ? null : mapPinDrawable.getBitmap());

    GpsMyLocationProvider gpsMyLocationProvider = new GpsMyLocationProvider(getActivity().getBaseContext());
    gpsMyLocationProvider.setLocationUpdateMinDistance(100); // [m]  // Set the minimum distance for location updates
    gpsMyLocationProvider.setLocationUpdateMinTime(10000);   // [ms] // Set the minimum time interval for location updates
    mMyLocationOverlay = new MyLocationNewOverlay(getActivity().getBaseContext(), gpsMyLocationProvider, mMap);
    mMyLocationOverlay.setDrawAccuracyEnabled(true);

    mMap.getOverlays().add(mCellTowerGridMarkerClusterer);
    mMap.getOverlays().add(mMyLocationOverlay);
    mMap.getOverlays().add(mCompassOverlay);
    mMap.getOverlays().add(mScaleBarOverlay);
}
 

/**
 * Description:     Initialises the Map and sets initial options such as:
 * Zoom levels and controls
 * Compass
 * ScaleBar
 * Cluster Pin colors
 * Location update settings
 */
private void setUpMapIfNeeded() {

    // Check if we were successful in obtaining the map.
    mMap.setBuiltInZoomControls(true);
    mMap.setMultiTouchControls(true);
    mMap.setMinZoomLevel(3);
    mMap.setMaxZoomLevel(19); // Latest OSM can go to 21!
    mMap.getTileProvider().createTileCache();
    mCompassOverlay = new CompassOverlay(this, new InternalCompassOrientationProvider(this), mMap);

    ScaleBarOverlay mScaleBarOverlay = new ScaleBarOverlay(this);
    mScaleBarOverlay.setScaleBarOffset(getResources().getDisplayMetrics().widthPixels / 2, 10);
    mScaleBarOverlay.setCentred(true);

    // Sets cluster pin color
    mCellTowerGridMarkerClusterer = new CellTowerGridMarkerClusterer(MapViewerOsmDroid.this);
    //BitmapDrawable mapPinDrawable = (BitmapDrawable) getResources().getDrawable(R.drawable.ic_map_pin_orange);
    BitmapDrawable mapPinDrawable = (BitmapDrawable) ResourcesCompat.getDrawable(getResources(),R.drawable.ic_map_pin_orange, null);

    mCellTowerGridMarkerClusterer.setIcon(mapPinDrawable == null ? null : mapPinDrawable.getBitmap());

    GpsMyLocationProvider gpsMyLocationProvider = new GpsMyLocationProvider(MapViewerOsmDroid.this.getBaseContext());
    gpsMyLocationProvider.setLocationUpdateMinDistance(100); // [m]  // Set the minimum distance for location updates
    gpsMyLocationProvider.setLocationUpdateMinTime(10000);   // [ms] // Set the minimum time interval for location updates
    mMyLocationOverlay = new MyLocationNewOverlay(MapViewerOsmDroid.this.getBaseContext(), gpsMyLocationProvider, mMap);
    mMyLocationOverlay.setDrawAccuracyEnabled(true);

    mMap.getOverlays().add(mCellTowerGridMarkerClusterer);
    mMap.getOverlays().add(mMyLocationOverlay);
    mMap.getOverlays().add(mCompassOverlay);
    mMap.getOverlays().add(mScaleBarOverlay);
}
 

@Override
public void addOverlays() {
    mMapView.setUseDataConnection(false);

    final ScaleBarOverlay scaleBarOverlay = new ScaleBarOverlay(mMapView);
    scaleBarOverlay.setCentred(true);
    scaleBarOverlay.setScaleBarOffset(200, 10);
    mMapView.getOverlays().add(scaleBarOverlay);

    final ITileSource tileSource = new XYTileSource(
            "Abstract", 0, 29, 256, ".png", new String[]{"http://localhost/"}, "abstract data");
    mMapView.setUseDataConnection(false);

    final MapTileAssetsProvider assetsProvider = new MapTileAssetsProvider(new SimpleRegisterReceiver(getContext()), getActivity().getAssets(), tileSource);

    final MapTileApproximater approximationProvider = new MapTileApproximater();
    approximationProvider.addProvider(assetsProvider);

    final MapTileProviderArray array = new MapTileProviderArray(
            tileSource, new SimpleRegisterReceiver(getContext()),
            new MapTileModuleProviderBase[]{assetsProvider, approximationProvider});

    mMapView.setTileProvider(array);

    mMapView.getController().setZoom(29.);
    // cf. https://fr.wikipedia.org/wiki/Point_z%C3%A9ro_des_routes_de_France
    // In English: starting point of all French roads
    mMapView.setExpectedCenter(new GeoPoint(48.85340215825712, 2.348784611094743));
    mMapView.invalidate();
}
 

@Override
public void addOverlays() {
    super.addOverlays();

    final DisplayMetrics dm = getActivity().getResources().getDisplayMetrics();
    mScaleBarOverlay = new ScaleBarOverlay(mMapView);
    mScaleBarOverlay.setCentred(true);
    mScaleBarOverlay.setScaleBarOffset(dm.widthPixels / 2, 10);
    mMapView.getOverlays().add(mScaleBarOverlay);

    // according to https://www.flickr.com/places/info/12589342
    final GeoPoint manhattanCenter = new GeoPoint(40.7909, -73.9664);
    final BoundingBox manhattanBoundingBox = new BoundingBox(40.8820, -73.9067, 40.6829, -74.0479);
    // testing a "single point bounding box" (actually using zoom fallback in animateTo)
    mList.add(new DataRegion("dummy1", "Manhattan - single point",
            new BoundingBox(manhattanCenter.getLatitude(), manhattanCenter.getLongitude(), manhattanCenter.getLatitude(), manhattanCenter.getLongitude())));
    // testing a "single latitude bounding box"
    mList.add(new DataRegion("dummy2", "Manhattan - single latitude",
            new BoundingBox(manhattanCenter.getLatitude(), manhattanBoundingBox.getLonEast(), manhattanCenter.getLatitude(), manhattanBoundingBox.getLonWest())));
    // testing a "single longitude bounding box"
    mList.add(new DataRegion("dummy3", "Manhattan - single longitude",
            new BoundingBox(manhattanBoundingBox.getLatNorth(), manhattanCenter.getLongitude(), manhattanBoundingBox.getLatSouth(), manhattanCenter.getLongitude())));
    // testing a "single longitude bounding box"
    mList.add(new DataRegion("dummy4", "Manhattan - box", manhattanBoundingBox));

    try {
        mList.addAll(new DataRegionLoader(getActivity(), R.raw.data_region_usstates).getList().values());
    } catch(Exception e) {
        throw new IllegalArgumentException(e);
    }

    mMapView.post(new Runnable() {
        @Override
        public void run() {
            show();
        }
    });
}
 

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Context ctx = getApplicationContext();
    Configuration.getInstance().load(ctx, PreferenceManager.getDefaultSharedPreferences(ctx));
    Configuration.getInstance().setUserAgentValue(BuildConfig.APPLICATION_ID);

    setContentView(R.layout.activity_open_map);
    SharedPreferences sPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());

    map = findViewById(R.id.map2);
    Configuration.getInstance().setTileFileSystemCacheMaxBytes(1024*1024*Long.parseLong(sPref.getString("cache_size", "5")));
    Configuration.getInstance().setTileFileSystemCacheTrimBytes(512*1024*Long.parseLong(sPref.getString("cache_size", "5")));  // trim storage to ~50% from max after oversize limit


    if (sPref.getBoolean("satellite", false)) {
        final MapBoxTileSource tileSource = new MapBoxTileSource();
        tileSource.retrieveAccessToken(this);
        tileSource.retrieveMapBoxMapId(this);
        map.setTileSource(tileSource);
    } else {
        map.setTileSource(TileSourceFactory.MAPNIK);
    }


    map.setBuiltInZoomControls(true);
    map.setMultiTouchControls(true);
    mapController = map.getController();

    CopyrightOverlay copyOverlay = new CopyrightOverlay(this);
    copyOverlay.setAlignRight(true);
    map.getOverlays().add(copyOverlay);

    ScaleBarOverlay scaleBar= new ScaleBarOverlay(map);
    scaleBar.setUnitsOfMeasure(ScaleBarOverlay.UnitsOfMeasure.metric);
    scaleBar.setScaleBarOffset(getResources().getDisplayMetrics().widthPixels/2, 50);
    scaleBar.setCentred(true);
    map.getOverlays().add(scaleBar);

    GpsMyLocationProvider gpsProvider = new GpsMyLocationProvider(this.getBaseContext());
    MyLocationNewOverlay myLoc = new MyLocationNewOverlay(gpsProvider, map);
    myLoc.setDrawAccuracyEnabled(true);
    map.getOverlays().add(myLoc);

    CompassOverlay compasOver = new CompassOverlay(this.getBaseContext(), map);
    compasOver.enableCompass();
    map.getOverlays().add(compasOver);

    dBase baseConnect = new dBase(this);
    db = baseConnect.getWritableDatabase();

    Intent intent = this.getIntent();
    mapController.setZoom(intent.getDoubleExtra("zoom", 15.0d));
    String act = intent.getAction();
    if (act.equals("track")) {
        track_id = intent.getIntExtra("track_id", 0);
        line = new Polyline(map);
        line.setColor(Color.BLUE);
        line.setInfoWindow(null);  //delete popup label from track
        line.setGeodesic(true);  //draw "true" lines instead simple lines (great circles)
        trackRedraw();
        map.getOverlays().add(line);
    } else {
        String accuracy = intent.getStringExtra("accuracy");
        GeoPoint startPoint = new GeoPoint(intent.getDoubleExtra("lat", 0d), intent.getDoubleExtra("lon", 0d));
        mapController.setCenter(startPoint);
        Marker startMarker = new Marker(map);
        startMarker.setPosition(startPoint);
        startMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM);
        map.getOverlays().add(startMarker);
        startMarker.setTitle(accuracy);
    }

    //receiver to map updating
    LocalBroadcastManager.getInstance(this).registerReceiver(updMap, new IntentFilter("update_map"));
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Context ctx = getApplicationContext();
    Configuration.getInstance().load(ctx, PreferenceManager.getDefaultSharedPreferences(ctx));

    LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    View contentView = inflater.inflate(R.layout.activity_map, null, false);

    setContent(contentView);

    noMap = (TextView) findViewById(R.id.noMap);

    map = (MapView) findViewById(R.id.map);
    map.setTileSource(TileSourceFactory.MAPNIK);
    map.setTilesScaledToDpi(true);
    map.setBuiltInZoomControls(true);
    map.setMultiTouchControls(true);

    IMapController mapController = map.getController();
    mapController.setZoom(14.0);
    GeoPoint startPoint = new GeoPoint(LocationHelper.helper.getCurrentLocation());
    mapController.setCenter(startPoint);

    CopyrightOverlay copyrightOverlay = new CopyrightOverlay(this);
    copyrightOverlay.setTextSize(10);
    map.getOverlays().add(copyrightOverlay);

    ScaleBarOverlay scaleBarOverlay = new ScaleBarOverlay(map);
    map.getOverlays().add(scaleBarOverlay);
    // Scale bar tries to draw as 1-inch, so to put it in the top center, set x offset to
    // half screen width, minus half an inch.
    scaleBarOverlay.setScaleBarOffset(
            (int) (getResources().getDisplayMetrics().widthPixels / 2 - getResources()
                    .getDisplayMetrics().xdpi / 2), 10);

    getLoaderManager().initLoader(LOADER_ID_INIT, null, this);

    mDrawerToggle.setDrawerIndicatorEnabled(false);
}
 

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    final Context context = this.getActivity();
    final DisplayMetrics dm = context.getResources().getDisplayMetrics();

    mPrefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);


    //My Location
    //note you have handle the permissions yourself, the overlay did not do it for you
    mLocationOverlay = new MyLocationNewOverlay(new GpsMyLocationProvider(context), mMapView);
    mLocationOverlay.enableMyLocation();
    mMapView.getOverlays().add(this.mLocationOverlay);



    //Mini map
    mMinimapOverlay = new MinimapOverlay(context, mMapView.getTileRequestCompleteHandler());
    mMinimapOverlay.setWidth(dm.widthPixels / 5);
    mMinimapOverlay.setHeight(dm.heightPixels / 5);
    mMapView.getOverlays().add(this.mMinimapOverlay);



    //Copyright overlay
    mCopyrightOverlay = new CopyrightOverlay(context);
    //i hate this very much, but it seems as if certain versions of android and/or
    //device types handle screen offsets differently
    mMapView.getOverlays().add(this.mCopyrightOverlay);




    //On screen compass
    mCompassOverlay = new CompassOverlay(context, new InternalCompassOrientationProvider(context),
        mMapView);
    mCompassOverlay.enableCompass();
    mMapView.getOverlays().add(this.mCompassOverlay);


    //map scale
    mScaleBarOverlay = new ScaleBarOverlay(mMapView);
    mScaleBarOverlay.setCentred(true);
    mScaleBarOverlay.setScaleBarOffset(dm.widthPixels / 2, 10);
    mMapView.getOverlays().add(this.mScaleBarOverlay);



    //support for map rotation
    mRotationGestureOverlay = new RotationGestureOverlay(mMapView);
    mRotationGestureOverlay.setEnabled(true);
    mMapView.getOverlays().add(this.mRotationGestureOverlay);


    //needed for pinch zooms
    mMapView.setMultiTouchControls(true);

    //scales tiles to the current screen's DPI, helps with readability of labels
    mMapView.setTilesScaledToDpi(true);

    //the rest of this is restoring the last map location the user looked at
    final float zoomLevel = mPrefs.getFloat(PREFS_ZOOM_LEVEL_DOUBLE, 1);
    mMapView.getController().setZoom(zoomLevel);
    final float orientation = mPrefs.getFloat(PREFS_ORIENTATION, 0);
    mMapView.setMapOrientation(orientation, false);
    final String latitudeString = mPrefs.getString(PREFS_LATITUDE_STRING, "1.0");
    final String longitudeString = mPrefs.getString(PREFS_LONGITUDE_STRING, "1.0");
    final double latitude = Double.valueOf(latitudeString);
    final double longitude = Double.valueOf(longitudeString);
    mMapView.setExpectedCenter(new GeoPoint(latitude, longitude));

    setHasOptionsMenu(true);
}