HOw to load html files from application storage directory in AirforIOS?

Dear Friends,

Iam creating an elearning IOS app with AirforIOS, i want to  load html page in my app from online as well as offline. What is the right way of loading my html file from applicationstoragedirectory and do the intereaction with lessons. Please suggest me. For online i used stagewebview.. its working but offline (downloaded from server) laoding from applicationstoragedirectory not working.

please help me to solve this. is there any way to load offline or ios is restricting loading from local device?

Thanks and regards,

Syed Abdul Rahim