java.lang.NumberFormatException: empty String
	at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
	at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
	at java.lang.Double.parseDouble(Double.java:538)
	at java.lang.Double.valueOf(Double.java:502)
	at com.entitcs.office_attendance.ServiceCRM.MapTracking.B(Unknown Source:23)
	at com.entitcs.office_attendance.ServiceCRM.MapTracking$f.f1(Unknown Source:197)
	at com.entitcs.office_attendance.ServiceCRM.MapTracking$f.onPostExecute(Unknown Source:2)
	at android.os.AsyncTask.finish(AsyncTask.java:771)
	at android.os.AsyncTask.access$900(AsyncTask.java:199)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:788)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:264)
	at android.app.ActivityThread.main(ActivityThread.java:8312)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)