Navigationskartenaktivität

Es gibt eine Karte und einen Schalter für das OpenGL-Rendering. Es gibt einen longClickListener auf mapView. Nach dem ersten Tippen wird der Startpunkt ausgewählt, nach dem zweiten Tippen wird das Ziel ausgewählt und die Routenberechnung gestartet.

public class NavigateMapActivity extends AppCompatActivity  {

  private OsmandApplication app;
  private OsmandMapTileView mapTileView;

  private MapViewWithLayers mapViewWithLayers;
  private AppInitializeListener initListener;
  private OnLongClickListener clickListener;

  private LatLon start;
  private LatLon finish;

  @Override
  public void onCreate(@Nullable Bundle savedInstanceState) {
  	super.onCreate(savedInstanceState);
  	setContentView(R.layout.simple_map_activity);
  	mapViewWithLayers = findViewById(R.id.map_view_with_layers);

  	app = (OsmandApplication) getApplication();

  	mapTileView = app.getOsmandMap().getMapView();
  	mapTileView.setupOpenGLView();

  	ActionBar actionBar = getSupportActionBar();
  	if (actionBar != null) {
  		actionBar.setTitle("Navigate map");
  		actionBar.setDisplayHomeAsUpEnabled(true);
  		actionBar.setDisplayShowHomeEnabled(true);
  	}

  	CompoundButton openglSwitch = findViewById(R.id.opengl_switch);
  	openglSwitch.setChecked(app.getSettings().USE_OPENGL_RENDER.get());
  	openglSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
  		app.getSettings().USE_OPENGL_RENDER.set(isChecked);
  		RestartActivity.doRestart(this);
  	});

  	//set start location and zoom for map
  	mapTileView.setIntZoom(14);
  	mapTileView.setLatLon(52.3704312, 4.8904288);
  }

  @Override
  public boolean onOptionsItemSelected(@NonNull MenuItem item) {
  	if (item.getItemId() == android.R.id.home) {
  		finish();
  	}
  	return super.onOptionsItemSelected(item);
  }

  @Override
  @SuppressLint("SyntheticAccessor")
  protected void onResume() {
  	super.onResume();
  	mapViewWithLayers.onResume();
  	mapTileView.setOnLongClickListener(getClickListener());
  }

  private OnLongClickListener getClickListener() {
  	if (clickListener == null) {
  		clickListener = new OnLongClickListener() {
  			@Override
  			public boolean onLongPressEvent(PointF point) {
  				LatLon latLon = mapTileView.getLatLonFromPixel(point.x, point.y);
  				if (start == null) {
  					start = latLon;
  					app.showShortToastMessage("Start point " + latLon.getLatitude() + " " + latLon.getLongitude());
  				} else if (finish == null) {
  					finish = latLon;
  					app.showShortToastMessage("Finish point " + latLon.getLatitude() + " " + latLon.getLongitude());
  					startNavigation();
  				}
  				return true;
  			}
  		};
  	}
  	return clickListener;
  }

  private void startNavigation() {
  	OsmandSettings settings = app.getSettings();
  	RoutingHelper routingHelper = app.getRoutingHelper();
  	settings.setApplicationMode(ApplicationMode.CAR);

  	TargetPointsHelper targetPointsHelper = app.getTargetPointsHelper();

  	targetPointsHelper.setStartPoint(start, false, new PointDescription(start.getLatitude(), start.getLongitude()));
  	targetPointsHelper.navigateToPoint(finish, true, -1, new PointDescription(finish.getLatitude(), finish.getLongitude()));

  	app.getOsmandMap().getMapActions().enterRoutePlanningModeGivenGpx(null, start, null, true, false);

  	settings.FOLLOW_THE_ROUTE.set(true);
  	routingHelper.setFollowingMode(true);
  	routingHelper.setRoutePlanningMode(false);
  	routingHelper.notifyIfRouteIsCalculated();
  	routingHelper.setCurrentLocation(app.getLocationProvider().getLastKnownLocation(), false);

  	OsmAndLocationProvider.requestFineLocationPermissionIfNeeded(this);

  	app.showShortToastMessage("StartNavigation from " + start.getLatitude() + " " + start.getLongitude()
  			+ " to " + finish.getLatitude() + " " + finish.getLongitude());

  	start = null;
  	finish = null;
  }

  @Override
  protected void onPause() {
  	super.onPause();
  	mapViewWithLayers.onPause();
  	mapTileView.setOnLongClickListener(null);
  }

  @Override
  protected void onDestroy() {
  	super.onDestroy();
  	mapViewWithLayers.onDestroy();
  }
}