com.mapbox.mapboxsdk.style.sources.Source Java Examples

/**
 * Toggles the visibility of the traffic layers.
 *
 * @param visible true for visible, false for none
 */
public void setVisibility(boolean visible) {
  this.visible = visible;

  if (!style.isFullyLoaded()) {
    // We are in progress of loading a new style
    return;
  }

  Source source = style.getSource(TrafficData.SOURCE_ID);
  if (source == null) {
    initialise();
  }

  List<Layer> layers = style.getLayers();
  for (Layer layer : layers) {
    if (layerIds.contains(layer.getId())) {
      layer.setProperties(visibility(visible ? Property.VISIBLE : Property.NONE));
    }
  }
}
 

public boolean checkForIntersections() {
    List<LatLng> points = PointMath.findIntersections(path);
    if (points.isEmpty()) {
        return false;
    }

    List<Point> intersections = latLngsToPositions(points);
    if (map.getStyle().getLayer(INTERSECTION_LAYER) == null) {
        Source intersectionSource = new GeoJsonSource(INTERSECTION_SOURCE, Feature.fromGeometry(MultiPoint.fromLngLats(intersections)));
        map.getStyle().addSource(intersectionSource);
        Layer intersectionLayer = new SymbolLayer(INTERSECTION_LAYER, INTERSECTION_SOURCE)
                .withProperties(PropertyFactory.iconImage(INTERSECTION_IMAGE));
        map.getStyle().addLayer(intersectionLayer);
    } else {
        GeoJsonSource intersectionsSource = map.getStyle().getSourceAs(INTERSECTION_SOURCE);
        intersectionsSource.setGeoJson(Feature.fromGeometry(MultiPoint.fromLngLats(intersections)));
    }

    return true;
}
 

private Set<Attribution> build() {
    List<String> attributions = new ArrayList<>();
    attributions.add("<a href=\"https://www.graphhopper.com/\" target=\"_blank\">&copy; GraphHopper API</a>");
    for (Source source : mapboxMap.getSources()) {
        attributions.add(source.getAttribution());
    }

    return new AttributionParser.Options()
            .withCopyrightSign(true)
            // TODO when using Mapbox as Tilesource we should keep this, should we automatically remove it otherwise?
            .withImproveMap(true)
            .withAttributionData(attributions.toArray(new String[attributions.size()]))
            .build().getAttributions();
}
 

/**
 * You can pass in a {@link MapLocale} directly into this method which uses the language defined
 * in it to represent the language found on the map.
 *
 * @param mapLocale the {@link MapLocale} object which contains the desired map language
 * @since 0.1.0
 */
public void setMapLanguage(@NonNull MapLocale mapLocale) {
  this.mapLocale = mapLocale;
  if (!style.isFullyLoaded()) {
    // We are in progress of loading a new style
    return;
  }

  List<Layer> layers = style.getLayers();
  for (Source source : style.getSources()) {
    if (sourceIsFromMapbox(source)) {
      boolean isStreetsV8 = sourceIsStreetsV8(source);
      for (Layer layer : layers) {
        if (layer instanceof SymbolLayer) {
          PropertyValue<?> textFieldProperty = ((SymbolLayer) layer).getTextField();
          if (textFieldProperty.isExpression()) {
            if (isStreetsV8) {
              convertExpressionV8(mapLocale, layer, textFieldProperty);
            } else {
              boolean isStreetsV7 = sourceIsStreetsV7(source);
              convertExpression(mapLocale, layer, textFieldProperty, isStreetsV7);
            }
          }
        }
      }
    } else {
      String url = null;
      if (source instanceof VectorSource) {
        url = ((VectorSource) source).getUrl();
      }
      if (url == null) {
        url = "not found";
      }
      Timber.d("The %s (%s) source is not based on Mapbox Vector Tiles. Supported sources:\n %s",
        source.getId(), url, SUPPORTED_SOURCES);
    }
  }
}
 

/**
 * Checks whether the map's source is a source provided by Mapbox, rather than a custom source.
 *
 * @param singleSource an individual source object from the map
 * @return true if the source is from the Mapbox Streets vector source, false if it's not.
 */
private boolean sourceIsFromMapbox(Source singleSource) {
  if (singleSource instanceof VectorSource) {
    String url = ((VectorSource) singleSource).getUrl();
    if (url != null) {
      for (String supportedSource : SUPPORTED_SOURCES) {
        if (url.contains(supportedSource)) {
          return true;
        }
      }
    }
  }
  return false;
}
 

private boolean sourceIsStreetsV7(Source source) {
  if (source instanceof VectorSource) {
    String url = ((VectorSource) source).getUrl();
    return url != null && url.contains("mapbox.mapbox-streets-v7");
  }
  return false;
}
 

private boolean sourceIsStreetsV8(Source source) {
  if (source instanceof VectorSource) {
    String url = ((VectorSource) source).getUrl();
    return url != null && url.contains("mapbox.mapbox-streets-v8");
  }
  return false;
}
 

private void setupJurisdictionsForEnterprise() {
    // Reload the style after setup is complete
    if (map == null || map.getMap() == null || map.getMap().getStyle() == null) {
        return;
    }

    OfflineManager.getInstance(map.getContext()).clearAmbientCache(null);

    Style style = map.getMap().getStyle();
    String jurisdictionsId = "jurisdictions";

    if (style.getLayer(jurisdictionsId) != null) {
        style.removeLayer(jurisdictionsId);
    }

    if (style.getSource(jurisdictionsId) != null) {
        style.removeSource(jurisdictionsId);
    }

    TileSet tileSet = new TileSet(tileJsonSpecVersion, AirMap.getBaseJurisdictionsUrlTemplate());
    tileSet.setMaxZoom(12f);
    tileSet.setMinZoom(8f);
    Source source = new VectorSource(jurisdictionsId, tileSet);
    style.addSource(source);
    Layer layer = new FillLayer(jurisdictionsId, jurisdictionsId)
            .withSourceLayer(jurisdictionsId)
            .withProperties(fillColor(TRANSPARENT), fillOpacity(1f));
    style.addLayerAt(layer, 0);
}