You can fix top padding issue by considering one of the following method.
Method 1: Natural way to fix your problem by setting up your collectionView dimensions properly from StoryBoard.
Method 2: **Updated**
You can validate collection frame in viewDidLayoutSubviews or viewWillLayoutSubviews
override func viewDidLayoutSubviews() {
collectionView.frame = CGRect(x: 0, y: 0, width: view.frame.width, height: view.frame.height)
}
Method 3: You can Adjust Scroll View Insets from your StoryBoard Attributes Inspector.
Method 4: You can fix this issue programatically by adjusting CollectionView contentInset.
collectionView.contentInset = UIEdgeInsets(top: **Any Value**, left: 0, bottom: 0, right: 0)
Output with top padding 5:
Output with top padding 44:
Output with top padding 64:
