TelematicsMainViewController fixes

@@ -123,9 +123,9 @@ import CoreMotion
             }
             
             DispatchQueue.main.async {
-                if (mIsTripStarted == true) {
+                if (self.mIsTripStarted == true) {
                     // Stop trip
-                    stopTrip()
+                    self.stopTrip()
                     
                 } else {
                     // Start trip
@@ -139,16 +139,16 @@ import CoreMotion
         //            sampleTimeTextField.isEnabled = false
 
                     // Start location and sensor updates
-                    requestLocationUpdates()
+                    self.requestLocationUpdates()
         //            registerSensor()
 
-                    mIsTripStarted = true
+                    self.mIsTripStarted = true
         //            orientationCountLabel.text = "0"
         //            touchCountLabel.text = "0"
-                    tripButton.setTitle("Stop Trip", for: .normal)
-                    mStartTimestamp = String(Int(Date().timeIntervalSince1970 * 1000)) // time in milliseconds since January 1, 1970
-                    initializeOrientation()
-                    startTimer()
+                    self.tripButton.setTitle("Stop Trip", for: .normal)
+                    self.mStartTimestamp = String(Int(Date().timeIntervalSince1970 * 1000)) // time in milliseconds since January 1, 1970
+                    self.initializeOrientation()
+                    self.startTimer()
                 }
             }
         }
@@ -303,26 +303,26 @@ import CoreMotion
     private func requestLocationUpdates() {
         DispatchQueue.global().async {
             if CLLocationManager.locationServicesEnabled() {
-                locationManager.desiredAccuracy = kCLLocationAccuracyBest
+                self.locationManager.desiredAccuracy = kCLLocationAccuracyBest
     //            locationManager.requestLocation()
                 
-                if (!locationServicesIsEnabled()) {
-                    onLocationServicesIsDisabled();
-                }
-                else if (authorizationStatusIsDenied(status: CLLocationManager.authorizationStatus())) {
-                    onAuthorizationStatusIsDenied();
+                if (!self.locationServicesIsEnabled()) {
+                    self.onLocationServicesIsDisabled();
                 }
-                else if (authorizationStatusNeedRequest(status: CLLocationManager.authorizationStatus())) {
-                    onAuthorizationStatusNeedRequest();
+                else if (self.authorizationStatusIsDenied(status: CLLocationManager.authorizationStatus())) {
+                    self.onAuthorizationStatusIsDenied();
                 }
-                else if (authorizationStatusIsGranted(status: CLLocationManager.authorizationStatus())) {
-                    onAuthorizationStatusIsGranted();
+                else if (self.authorizationStatusNeedRequest(status: CLLocationManager.authorizationStatus())) {
+                    self.onAuthorizationStatusNeedRequest();
                 }
+                else if (self.authorizationStatusIsGranted(status: CLLocationManager.authorizationStatus())) {
+                    self.onAuthorizationStatusIsGranted();
                 }
             } else {
                 self.onLocationServicesIsDisabled();
             }
         }
+    }
 
     private func stopLocationUpdates() {
         locationManager.stopUpdatingLocation()