Changing cell background color in UICollectionView in Swift

Question

I am using horizontal collection view to scroll dates. Collection view contain 30 cells. If I select first cell, to indicate the selection, cell background color has been ch

Answer 1

You could maintain a copy of the last selected index path, and then in your didSelectItemAtIndexPath compare the index paths to see if they are different. If different, change the colors of the two cells at those index paths as necessary and then copy the new index path over the old.

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Edit

Thinking about this again, this should be done with the backgroundView and selectedBackgroundView properties of the cells. After you dequeue a cell you can do the following to let iOS handle the changing.

cell.backgroundView.backgroundColor = [UIColor redColor];
cell.selectedBackgroundView.backgroundColor = [UIColor brownColor];