ios - view controller with nib subview nil -


i have view controller nib file , want show custom view in mainviewcontroller.

i instantiate viewcontroller 

var addviewc = addviewcontroller(nibname:"addviewcontroller", bundle: nsbundle.mainbundle()) addviewcontroller

adjust frame 

addviewc.view.frame = self.view.frame

and add view

self.view.addsubview(addviewc.view);

in nib file view , 2 textfields. every thing visible. can textfields on outlets view(background) nil. can tell me why? , how change this!

the nib (i can't red view): enter image description here

enter image description here

enter image description here


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