app
Call this when putting the app into the background. Check the method for additional information.
It stops the next scheduled call for RealityCheckMessage and saves the time passed.
for when the app enters foreground again. This method won't do anything if the user has not logged in yet and if there is no active delayed RealityCheckMessage call. Delayed RealityCheckMessage calls are initiated through userDidLogin or appDidEnterForeground.