/**
                * Initialize navigation basic parameters
                */
                // Set navigation basic parameters
                mNaviSetting = NaviSetting.getInstance();
                // Initialize the route plan
                NaviSessionParams params = new NaviSessionParams(); // Navigation initialization parameter configuration information
                /**
                * Configure the submodule used: cameraWarning (electronic eye module); expandView (magnified image module);
                * arrowRenderer (turning arrow drawing module); highwayGuide (high speed mode module);
                * speedLimitWarning (speed limit setting module); adminSpeaker (administrative area broadcast)
                */     
                // Is it enabled to enlarge the line at the line?
                params.enableOnlineJunctionView = true;
                // Use the GPS module positioning provided by the engine
                params.useNaviCoreGPS = true;
                // Whether the route result is automatically adopted for navigation after the completion of the calculation.
                params.autoTakeRoute = true;
                // Is it automatically recalculated after yaw?
                params.autoReroute = true;
                // Get the navigation instance
                mNaviSession = NaviSession.getInstance();
                // Initialize the navigation engine module. The NaviSession module related resources used to initialize the engine should be called during the application initialization phase.
                mNaviSession.init(this, this, params); 
                // The default navigation state is paused
                mNaviSession.pauseNavi();
                // default online navigation
                mNaviSession.setNaviMode(NaviSession.Mode.offline);
                // The generation mode of the current route details
                mNaviSetting.setRouteDirectionsFlag(RouteBase.DirectionsFlag.origin);
                /**
                * Set the way to calculate:
                * Single way NaviSession.RouteMethod.single
                * Multi-rule NaviSession.RouteMethod.multipleRule
                * Multiple results NaviSession.RouteMethod.multipleResult
                **/
                mNaviSetting.setRouteMethod(NaviSession.RouteMethod. single);
                // default online query
                mNaviSetting.setPoiQueryMode(PoiQuery.Mode.online);
            

                // real-time navigation
                mNaviSession.endManeualStartState();    // End manual start state
                mNaviSession.enableSound(true);         // Open real-time voice announcement
                // Click the navigation button to resume navigation, the navigation starts, and the navigation state is set to the pause state by default when the navigation is initialized.
                if (mNaviSession.isNaviPaused()) {
                    mNaviSession.resumeNavi();
                }