Examples
Getting started (3)Create a simple map viewDynamically build a map viewSupport map fragmentDynamic styling (30)HillshadingAdd a vector tile sourceAdd a new layer below labelsAnimate marker positionAdjust a layer's opacityShow time lapseAnimated image source (GIF)Icon update based on API responseChange a layer's colorChange a map's languageColor dependent on zoom levelClick to add photoIndoor MapMarker following routeStyle with missing iconSymbol layer iconsPicture in picturePulsing layer opacityAdd a WMS sourceText anchor positionButton interaction stylingOpacity fadeShow and hide layersSymbolLayer iconsAdjust text labelsMultiple text formatsTransparent render surfaceUse an image sourceAnimated icon movementVariable label placementExtrusions (5)Adjust light location and colorDisplay 3D building height based on vector dataExtrude polygons for 3D indoor mappingRotate and tilt with 3D buildingsUse GeoJSON data to set extrusion heightCamera (5)Animate the map cameraFit camera in bounding boxRestrict map panningRotating cameraZoom to show a cluster's leavesData visualization (33)Baseball spray chartDisplay water depthBiometric fingerprintCalendar integrationCircle icon toggleCircleLayer clustersCircle radiusCircle to icon transitionCreate a line layerCreate hotspots from pointsData time lapseShow heatmap dataDraw a GeoJSON lineDraw a polygon with holesDraw a polygonDraw multiple geometriesJoin local JSON data with vector tile geometriesLine gradientLine behind moving iconMultiple expressionsIcon setting based on Feature propertyOutlined polygon holeSatellite land selectShared preferencesSpinning iconStyle circles categoricallyStyle lines using an identity property functionToggle collision detectionSymbolLayer clusteringSymbol layer info windowZoom-based icon switchUpdate a choropleth layer by zoom levelStyling heatmapsOffline (3)Cache managementA simple offline mapOffline managerQuerying the map (3)Building outlineQuery a map featureSelect a buildingMap style (4)Style attributionLocal style or custom raster styleDefault stylesMapbox Studio styleUser interaction (12)Click on single layerFeature countDrawing search areaHighlighted lineSymbol layer icon size changeInset mapLocation pickerBackground fogRecyclerView DirectionsSearch again in an areaSnaking directionsRecyclerView interactionImage generation (2)Snapshot NotificationShare snapshot imageDevice location (7)Track device locationBasic pulsing locationLocation camera optionsCustom pulsing locationCustomized location iconShow a user's location on a map fragmentShow a user's location

Snaking directions

activity_javaservices_snaking_directions_route
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:mapbox="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".examples.javaservices.DirectionsActivity">
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="47.097562"
mapbox:mapbox_cameraTargetLng="3.709416"
mapbox:mapbox_cameraZoom="5.991072"/>
</FrameLayout>
SnakingDirectionsRouteActivity.java
package com.mapbox.mapboxandroiddemo.examples.labs;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.widget.Toast;
import com.mapbox.api.directions.v5.DirectionsCriteria;
import com.mapbox.api.directions.v5.MapboxDirections;
import com.mapbox.api.directions.v5.models.DirectionsResponse;
import com.mapbox.api.directions.v5.models.DirectionsRoute;
import com.mapbox.api.directions.v5.models.LegStep;
import com.mapbox.core.constants.Constants;
import com.mapbox.geojson.Feature;
import com.mapbox.geojson.FeatureCollection;
import com.mapbox.geojson.LineString;
import com.mapbox.geojson.Point;
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.style.layers.LineLayer;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import java.util.ArrayList;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import timber.log.Timber;
import static com.mapbox.api.directions.v5.DirectionsCriteria.GEOMETRY_POLYLINE;
import static com.mapbox.mapboxsdk.style.layers.Property.LINE_CAP_ROUND;
import static com.mapbox.mapboxsdk.style.layers.Property.LINE_JOIN_ROUND;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOffset;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineCap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineJoin;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineWidth;
/**
* Rather than showing the directions route all at once, have it "snake" from the origin to destination by showing the
* route one {@link LegStep} section at a time.
*/
public class SnakingDirectionsRouteActivity extends AppCompatActivity
implements OnMapReadyCallback {
private static final float NAVIGATION_LINE_WIDTH = 6;
private static final float NAVIGATION_LINE_OPACITY = .8f;
private static final String DRIVING_ROUTE_POLYLINE_LINE_LAYER_ID = "DRIVING_ROUTE_POLYLINE_LINE_LAYER_ID";
private static final String DRIVING_ROUTE_POLYLINE_SOURCE_ID = "DRIVING_ROUTE_POLYLINE_SOURCE_ID";
private static final int DRAW_SPEED_MILLISECONDS = 500;
// Origin point in Paris, France
private static final Point PARIS_ORIGIN_POINT = Point.fromLngLat(2.35222, 48.856614);
// Destination point in Lyon, France
private static final Point LYON_DESTINATION_POINT = Point.fromLngLat(4.83565, 45.76404);
private MapView mapView;
private MapboxMap mapboxMap;
private MapboxDirections mapboxDirectionsClient;
private Handler handler = new Handler();
private Runnable runnable;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Mapbox access token is configured here. This needs to be called either in your application
// object or in the same activity which contains the mapview.
Mapbox.getInstance(this, getString(R.string.access_token));
// This contains the MapView in XML and needs to be called after the access token is configured.
setContentView(R.layout.activity_javaservices_snaking_directions_route);
// Setup the MapView
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(this);
}
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
this.mapboxMap = mapboxMap;
this.mapboxMap.setStyle(new Style.Builder().fromUri(Style.LIGHT)
// Add origin and destination SymbolLayer marker icons to the map
.withImage("icon-id", BitmapFactory.decodeResource(
getResources(), R.drawable.red_marker))
.withSource(new GeoJsonSource("source-id",
FeatureCollection.fromFeatures(new Feature[] {
Feature.fromGeometry(Point.fromLngLat(PARIS_ORIGIN_POINT.longitude(), PARIS_ORIGIN_POINT.latitude())),
Feature.fromGeometry(Point.fromLngLat(LYON_DESTINATION_POINT.longitude(), LYON_DESTINATION_POINT.latitude())),
})))
.withLayer(new SymbolLayer("layer-id",
"source-id").withProperties(
iconImage("icon-id"),
iconOffset(new Float[] {0f, -8f})
))
// Add a source and LineLayer for the snaking directions route line
.withSource(new GeoJsonSource(DRIVING_ROUTE_POLYLINE_SOURCE_ID))
.withLayerBelow(new LineLayer(DRIVING_ROUTE_POLYLINE_LINE_LAYER_ID,
DRIVING_ROUTE_POLYLINE_SOURCE_ID)
.withProperties(
lineWidth(NAVIGATION_LINE_WIDTH),
lineOpacity(NAVIGATION_LINE_OPACITY),
lineCap(LINE_CAP_ROUND),
lineJoin(LINE_JOIN_ROUND),
lineColor(Color.parseColor("#d742f4"))
), "layer-id"), new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
getDirectionsRoute(PARIS_ORIGIN_POINT, LYON_DESTINATION_POINT);
}
});
}
/**
* Build the Mapbox Directions API request
*
* @param origin The starting point for the directions route
* @param destination The final point for the directions route
*/
private void getDirectionsRoute(Point origin, Point destination) {
mapboxDirectionsClient = MapboxDirections.builder()
.origin(origin)
.destination(destination)
.overview(DirectionsCriteria.OVERVIEW_FULL)
.profile(DirectionsCriteria.PROFILE_DRIVING)
.geometries(GEOMETRY_POLYLINE)
.alternatives(true)
.steps(true)
.accessToken(getString(R.string.access_token))
.build();
mapboxDirectionsClient.enqueueCall(new Callback<DirectionsResponse>() {
@Override
public void onResponse(Call<DirectionsResponse> call, Response<DirectionsResponse> response) {
// Create log messages in case no response or routes are present
if (response.body() == null) {
Timber.d("No routes found, make sure you set the right user and access token.");
return;
} else if (response.body().routes().size() < 1) {
Timber.d("No routes found");
return;
}
// Get the route from the Mapbox Directions API response
DirectionsRoute currentRoute = response.body().routes().get(0);
// Start the step-by-step process of drawing the route
runnable = new DrawRouteRunnable(mapboxMap, currentRoute.legs().get(0).steps(), handler);
handler.postDelayed(runnable, DRAW_SPEED_MILLISECONDS);
}
@Override
public void onFailure(Call<DirectionsResponse> call, Throwable throwable) {
Toast.makeText(SnakingDirectionsRouteActivity.this,
R.string.snaking_directions_activity_error, Toast.LENGTH_SHORT).show();
}
});
}
/**
* Runnable class which goes through the route and draws each {@link LegStep} of the Directions API route
*/
private static class DrawRouteRunnable implements Runnable {
private MapboxMap mapboxMap;
private List<LegStep> steps;
private List<Feature> drivingRoutePolyLineFeatureList;
private Handler handler;
private int counterIndex;
DrawRouteRunnable(MapboxMap mapboxMap, List<LegStep> steps, Handler handler) {
this.mapboxMap = mapboxMap;
this.steps = steps;
this.handler = handler;
this.counterIndex = 0;
drivingRoutePolyLineFeatureList = new ArrayList<>();
}
@Override
public void run() {
if (counterIndex < steps.size()) {
LegStep singleStep = steps.get(counterIndex);
if (singleStep != null && singleStep.geometry() != null) {
LineString lineStringRepresentingSingleStep = LineString.fromPolyline(
singleStep.geometry(), Constants.PRECISION_5);
Feature featureLineString = Feature.fromGeometry(lineStringRepresentingSingleStep);
drivingRoutePolyLineFeatureList.add(featureLineString);
}
if (mapboxMap.getStyle() != null) {
GeoJsonSource source = mapboxMap.getStyle().getSourceAs(DRIVING_ROUTE_POLYLINE_SOURCE_ID);
if (source != null) {
source.setGeoJson(FeatureCollection.fromFeatures(drivingRoutePolyLineFeatureList));
}
}
counterIndex++;
handler.postDelayed(this, DRAW_SPEED_MILLISECONDS);
}
}
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
if (handler != null) {
handler.removeCallbacks(runnable);
}
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
protected void onDestroy() {
super.onDestroy();
// Cancel the directions API request
if (mapboxDirectionsClient != null) {
mapboxDirectionsClient.cancelCall();
}
mapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
}
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