public void OnStopService(AMapTrackKit.AMapTrackErrorCode errorCode)
 {
     MessagingCenter.Send(new object(), "trackresult3", errorCode.ToString());
 }
 public void OnStopGatherAndPack(AMapTrackKit.AMapTrackErrorCode errorCode)
 {
     MessagingCenter.Send(new object(), "trackresult4", errorCode.ToString());
 }
 //[Export("onStartService:")]
 public override void OnStartService(AMapTrackKit.AMapTrackErrorCode errorCode)
 {
     MessagingCenter.Send(new object(), "trackresult1", errorCode.ToString());
 }