Navigate Map activity

There is map and switch for opengl rengering, it has longClickListener on mapView, after first tap start point is selected, after second tap it selects finish and starts route calculation.

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();
    }
}