ios - NSURLSession ignoring NSURLSessionConfiguration Cache Policy -


even after setting cache policy, nsurlsession still loading cached data:

let url = nsurl(string: urlstring); var sessionconfig = nsurlsessionconfiguration.defaultsessionconfiguration(); sessionconfig.requestcachepolicy = nsurlrequestcachepolicy.reloadignoringlocalandremotecachedata; var session = nsurlsession(configuration: sessionconfig);

is there reason why session ignoring .reloadignoringlocalandremotecachedata?

from nsurlrequest class reference page 

nsurlrequestreloadignoringlocalandremotecachedata = 4, // unimplemented nsurlrequestreloadrevalidatingcachedata = 5 // unimplemented

i guess, constant there should not used.


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