public void Start(StepCountObserver listener)
 {
     mStepCountObserver = listener;
     // Register an observer to listen changes of step count and get today step count
     HealthDataObserver.AddObserver(mStore, HealthConstants.StepCount.HealthDataType, observer);
     ReadTodayStepCount();
 }
 public CustomSetResultListener(StepCountReporter reporter, StepCountObserver stepCountObserver)
 {
     mReporter          = reporter;
     mStepCountObserver = stepCountObserver;
 }