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目前我被困在爲MapBox sdk創建基本導航。我已經成功查看地圖，但無法顯示導航功能，因爲我很難找到任何教程或易於理解的MapBox文檔指南，任何幫助將不勝感激，並提前致謝。在這裏我包括我的活動。MapBox導航
活動
public class MapNavigationActivity extends AppCompatActivity implements OnMapReadyCallback,
MapboxMap.OnMapClickListener, ProgressChangeListener, NavigationEventListener, MilestoneEventListener, OffRouteListener {
private static final int BEGIN_ROUTE_MILESTONE = 1001;
// Map variables
@BindView(R.id.mapView)
MapView mapView;
@BindView(R.id.newLocationFab)
FloatingActionButton newLocationFab;
@BindView(R.id.startRouteButton)
Button startRouteButton;
private MapboxMap mapboxMap;
// Navigation related variables
private LocationEngine locationEngine;
private MapboxNavigation navigation;
private DirectionsRoute route;
private Position destination;
private Position waypoint;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Mapbox.getInstance(getApplicationContext(), getString(R.string.access_token));
setContentView(R.layout.activity_map_navigation);
ButterKnife.bind(this);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(this);
navigation = new MapboxNavigation(this, getString(R.string.access_token));
LocationEngine locationEngine = LostLocationEngine.getLocationEngine(this);
navigation.setLocationEngine(locationEngine);
// From Mapbox to The White House
Position origin = Position.fromCoordinates(-77.03613, 38.90992);
Position destination = Position.fromCoordinates(-77.0365, 38.8977);
navigation.getRoute(origin, destination, 90f, new Callback<DirectionsResponse>() {
@Override
public void onResponse(
Call<DirectionsResponse> call, Response<DirectionsResponse> response) {
}
@Override
public void onFailure(Call<DirectionsResponse> call, Throwable t) {
}
});
navigation.addNavigationEventListener(new NavigationEventListener() {
@Override
public void onRunning(boolean running) {
}
});
}
@OnClick(R.id.startRouteButton)
public void onStartRouteClick() {
if (navigation != null && route != null) {
// Hide the start button
startRouteButton.setVisibility(View.INVISIBLE);
// Attach all of our navigation listeners.
navigation.addNavigationEventListener(this);
navigation.addProgressChangeListener(this);
navigation.addMilestoneEventListener(this);
((MockLocationEngine) locationEngine).setRoute(route);
navigation.setLocationEngine(locationEngine);
navigation.startNavigation(route);
mapboxMap.setOnMapClickListener(null);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
// Remove all navigation listeners being used
navigation.removeNavigationEventListener(this);
navigation.removeNavigationEventListener(this);
navigation.removeProgressChangeListener(this);
navigation.removeOffRouteListener(this);
// End the navigation session
navigation.endNavigation();
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
navigation.onStart();
}
@Override
public void onMapClick(@NonNull LatLng point) {
}
@Override
public void onMapReady(MapboxMap mapboxMap) {
}
@Override
public void onRunning(boolean running) {
}
@Override
public void onMilestoneEvent(RouteProgress routeProgress, String instruction, int identifier) {
}
@Override
public void onProgressChange(Location location, RouteProgress routeProgress) {
}
@Override
public void userOffRoute(Location location) {
}
}