Mapbox Android：如何获取从当前位置到您选择的目的地的路线？

您的代码中存在一些错误，最大的错误是您仍在使用

MapView

MapboxMap

import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.util.Log;import android.widget.Toast;import com.mapbox.mapboxsdk.annotations.MarkerOptions;import com.mapbox.mapboxsdk.annotations.PolylineOptions;import com.mapbox.mapboxsdk.geometry.LatLng;import com.mapbox.mapboxsdk.maps.MapView;import com.mapbox.mapboxsdk.maps.MapboxMap;import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;import com.mapbox.services.Constants;import com.mapbox.services.android.geoprer.ui.GeoprerAutoCompleteView;import com.mapbox.services.commons.ServicesException;import com.mapbox.services.commons.geojson.LineString;import com.mapbox.services.commons.models.Position;import com.mapbox.services.directions.v5.DirectionsCriteria;import com.mapbox.services.directions.v5.MapboxDirections;import com.mapbox.services.directions.v5.models.DirectionsResponse;import com.mapbox.services.directions.v5.models.DirectionsRoute;import com.mapbox.services.geocoding.v5.GeocodingCriteria;import com.mapbox.services.geocoding.v5.models.GeocodingFeature;import java.util.List;import retrofit2.Call;import retrofit2.Callback;import retrofit2.Response;public class MainActivity extends Activity {    private final static String TAG = "MainActivity";    private MapView mapView;    private MapboxMap map;    private DirectionsRoute currentRoute;    private Position origin;    private Position destination;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        // Setup the MapView        mapView = (MapView) findViewById(R.id.mapView);        mapView.onCreate(savedInstanceState);        mapView.getMapAsync(new onMapReadyCallback() { @Override public void onMapReady(MapboxMap mapboxMap) {     map = mapboxMap;     mapboxMap.setMyLocationEnabled(true);     // Set up autocomplete widget     GeoprerAutoCompleteView autocomplete = (GeoprerAutoCompleteView) findViewById(R.id.query); autocomplete.setAccessToken("<your access token>"); autocomplete.setType(GeocodingCriteria.TYPE_POI); autocomplete.setonFeatureListener(new GeoprerAutoCompleteView.onFeatureListener() {     @Override     public void onFeatureClick(GeocodingFeature feature) {         if(map.getMyLocation() != null) {  // Set the origin as user location only if we can get their location  origin = Position.fromCoordinates(map.getMyLocation().getLongitude(), map.getMyLocation().getLatitude());         }else{  return;         }         destination = feature.asPosition();         // Add origin and destination to the map         map.addMarker(new MarkerOptions()      .position(new LatLng(origin.getLatitude(), origin.getLongitude())));         map.addMarker(new MarkerOptions()      .position(new LatLng(destination.getLatitude(), destination.getLongitude())));         // Get route from API         try {  getRoute(origin, destination);         } catch (ServicesException e) {  e.printStackTrace();         }     } });        }    });}private void getRoute(Position origin, Position destination) throws ServicesException {    MapboxDirections client = new MapboxDirections.Builder() .setOrigin(origin) .setDestination(destination) .setProfile(DirectionsCriteria.PROFILE_CYCLING) .setAccessToken("<your access token>") .build();    client.enqueueCall(new Callback<DirectionsResponse>() {        @Override        public void onResponse(Call<DirectionsResponse> call, Response<DirectionsResponse> response) { // You can get the generic HTTP info about the response Log.d(TAG, "Response pre: " + response.pre()); if (response.body() == null) {     Log.e(TAG, "No routes found, make sure you set the right user and access token.");     return; } // Print some info about the route currentRoute = response.body().getRoutes().get(0); Log.d(TAG, "Distance: " + currentRoute.getDistance()); Toast.makeText(MainActivity.this, "Route is " +  currentRoute.getDistance() + " meters long.", Toast.LENGTH_SHORT).show(); // Draw the route on the map drawRoute(currentRoute);        }        @Override        public void onFailure(Call<DirectionsResponse> call, Throwable t) { Log.e(TAG, "Error: " + t.getMessage()); Toast.makeText(MainActivity.this, "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();        }    });}private void drawRoute(DirectionsRoute route) {    // Convert LineString coordinates into LatLng[]    LineString lineString = LineString.fromPolyline(route.getGeometry(), Constants.OSRM_PRECISION_V5);    List<Position> coordinates = lineString.getCoordinates();    LatLng[] points = new LatLng[coordinates.size()];    for (int i = 0; i < coordinates.size(); i++) {        points[i] = new LatLng(     coordinates.get(i).getLatitude(),     coordinates.get(i).getLongitude());    }    // Draw Points on MapView    map.addPolyline(new PolylineOptions() .add(points) .color(Color.parseColor("#009688")) .width(5));}@Overridepublic void onResume() {    super.onResume();    mapView.onResume();}@Overridepublic void onPause() {    super.onPause();    mapView.onPause();}@Overrideprotected void onSaveInstanceState(Bundle outState) {    super.onSaveInstanceState(outState);    mapView.onSaveInstanceState(outState);}@Overrideprotected void onDestroy() {    super.onDestroy();    mapView.onDestroy();}@Overridepublic void onLowMemory() {    super.onLowMemory();    mapView.onLowMemory();}

希望这可以帮助！