swift - iOS 9: view is not rendered properly after I rotate device -


this custom uiview:

enter image description here

after rotate horizontal, , portrait looks this:

enter image description here

why?

after rotate device method called:

override func traitcollectiondidchange(previoustraitcollection: uitraitcollection?) {     tableview.reloaddata() }

what doing wrong? works perfect ios8, not ios9


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