xcode8 - UICollectionView selection/deselection methods not triggering -


basically have uipageviewcontroller has multiple uicollectionview on each pages.

the problem can select/deselect on collectionviews inside first page. when switch second page, numberofsections, numberofitemsinsection, cellforitemat called selection , deselection delegate methods not called @ all.

here link code: https://gist.github.com/anonymous/4eca4ff9f3e4423c01974609aeae5482

i can't connect link. must make sure delegate of uicollectionview set , check allowsmultipleselection , allowsselection yes. can reference links below: uicollectionview - diddeselectitematindexpath not called if cell selected ios: uicollectionview cell selection not working


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