telematics addition

@@ -85,6 +85,7 @@ public class TelematicsActivity extends Activity implements View.OnClickListener
     private double mSpeed = 0;
     private int orientationCount = 0, touchCount = 0;
     final long REFRESH_TIME = 100; // miliseconds
+    private String mStartTimestamp = "", mStopTimestamp = "";
 
 
     // ===========================================================
@@ -375,6 +376,7 @@ public class TelematicsActivity extends Activity implements View.OnClickListener
     }
 
     private void registerSensor() {
+        mStartTimestamp = String.valueOf(System.currentTimeMillis());
         mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
         mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
         mSensorManager.registerListener(this, mSensor, SensorManager.SENSOR_DELAY_NORMAL);
@@ -390,11 +392,17 @@ public class TelematicsActivity extends Activity implements View.OnClickListener
                 try {
                     JSONObject jobj = new JSONObject();
                     JSONObject jobjData = new JSONObject();
+                    String timestamp = String.valueOf(System.currentTimeMillis());
                     jobjData.putOpt("acceleration", mAcceleration);
                     jobjData.putOpt("speed", mSpeed);
                     jobjData.putOpt("orientation_count", orientationCount);
                     jobjData.putOpt("touch_count", touchCount);
-                    jobj.putOpt(String.valueOf(System.currentTimeMillis()), jobjData);
+                    jobjData.putOpt("timestamp", timestamp);
+                    jobjData.putOpt("start_time", mStartTimestamp);
+                    jobjData.putOpt("stop_time", mStopTimestamp);
+                    jobjData.putOpt("latitude",mLatitude);
+                    jobjData.putOpt("longitude", mLongitude);
+                    jobj.putOpt(timestamp, jobjData);
                     mAccelerationTimestamps.add(jobj);
                     recordsCount[0]++;
                     mTvRecordsSaved.setText(String.valueOf(recordsCount[0]));
@@ -409,6 +417,7 @@ public class TelematicsActivity extends Activity implements View.OnClickListener
     }
 
     private void unregisterSensor() {
+        mStopTimestamp = String.valueOf(System.currentTimeMillis());
         orientationCount = 0;
         touchCount = 0;
         mSensorManager.unregisterListener(this);