iphone - Unrecognized selector sent to UIRefreshControl -


i getting error :

terminating app due uncaught exception 'nsinvalidargumentexception', reason: '-[masterviewcontroller setrefreshcontrol:]: unrecognized selector sent instance 0x2681e0'

how resolve issue because in simulator app running on device same code app not running.

i hope simulator ios6 simulator , device in tried run may have lower os version ..right? .

from uirefreshcontrol class reference,

availability : available in ios 6.0 , later.

refresh control new ios6. if want support ios5, best thing check if refresh control class exists (you can use nsclassfromstring ), , if doesn't exists either not use or use alternative.


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