(For complete code, see MBNaviController.m in the SDKDemo project)
            @property (nonatomic ,strong) MBNaviSession*naviSession;
            
            // Initialize MBNaviSession
            naviSession = [MBNaviSession sharedInstance];
            
            // Initialize MBNaviSessionParams
            MBNaviSessionParams* params = [MBNaviSessionParams defaultParams];
            
            // Whether to automatically start navigation after the road is calculated [default on]
            params.autoTakeRoute = NO;
            
            // Whether to activate the intersection enlargement. Close by default
            params.enableOnlineJunctionView = YES;
            
            // Set navigation related parameters
            naviSession.params = params;
            naviSession.delegate = self;
            naviSession.enableSound = YES;
            
            // Set the detailed broadcast mode (go ahead to ****)
            [naviSession setNaviStartVoiceMode:MBNaviSessionNaviStartVoiceMode_detailed];
            
            // Turn on the camera broadcast
            [naviSession setEnableCamera:YES];
            
            // Set online/offline calculations
            [naviSession setNavPreference:MBDataPreference_preferOnline];
            
            // Set the electronic eye broadcast mode
            [naviSession setCameraMode:MBCamerFilterMode_all];
            
            // Set the voice broadcast mode
            [naviSession setGuidanceMode:MBGuidanceMode_safe];
            
            // High-speed stroke module working mode
            [naviSession setHighwayGuidemode:MBHighwayGuideMode_complete];
            
            // Set navigation tmc parameters
            MBTmcOptions options;
            
            // Calculate the path interval (ms)
            options.rerouteCheckInterval = 1000;
            
            // route color update interval (ms)
            options.routeColorUpdateInterval = 1000;
            
            // Whether to open TMC
            options.enableTmcReroute = NO;
            
            // Set TMC related options
            [naviSession setTmcOptions:options];
            
            // Adopt the specified route, set it as the current route, routeBase, please refer to 9.1 calculation
            [naviSession takeRoute:_routeBase];
            
            // MBNaviSessionDelegate
            - (void)naviSessionTracking:(MBNaviSessionData *)sData {
                NSLog (@"current car location: %d, %d", sData.carPos.x, sData.carPos.y);
                NSLog (@"current head orientation: %ld", (long) sData.carOri);
                NSLog (@"current recommended scale: %ld", (long) sData.suggestedMapScale);
                NSLog (@" Is there a next turn: %@, and %ld meters turn", sData.hasTurn?@"Yes": @"No", (long)sData.turnIconDistance);
                NSLog(@"current steering ID: %ld", (long)sData.turnIcon);
                NSLog (@"Road name after turn: %@", sData.nextRoadName);
                NSLog (@"current road name: %@", sData.roadName);
                NSLog(@"\n");
            }