iOS Orientation UICollectionView -


my collectionview presents 20 items in landscape mode. in portrait mode, want 8 reusable items presented. how can achieve this?

when collectionview call collectionview:numberofitemsinsection: on data source in order update itself???

you need force application change layout of collection view when changing orientation:

-(void)willrotatetointerfaceorientation:(uiinterfaceorientation)tointerfaceorientation                                duration:(nstimeinterval)duration{      [self.mycollectionview.collectionviewlayout invalidatelayout]; }

see thread: uicollectionview set number of columns

good luck!


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