UICollectionView Extension Reference
UICollectionView
public extension UICollectionView-
SwifterSwift: Index path of last item in collectionView.
Declaration
Swift
var indexPathForLastItem: IndexPath? { get } -
SwifterSwift: Index of last section in collectionView.
Declaration
Swift
var lastSection: Int { get }
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SwifterSwift: Number of all items in all sections of collectionView.
Declaration
Swift
func numberOfItems() -> IntReturn Value
The count of all rows in the collectionView.
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SwifterSwift: IndexPath for last item in section.
Declaration
Swift
func indexPathForLastItem(inSection section: Int) -> IndexPath?Parameters
sectionsection to get last item in.
Return Value
optional last indexPath for last item in section (if applicable).
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SwifterSwift: Reload data with a completion handler.
Declaration
Swift
func reloadData(_ completion: @escaping () -> Void)Parameters
completioncompletion handler to run after reloadData finishes.
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SwifterSwift: Dequeue reusable UICollectionViewCell using class name.
Declaration
Swift
func dequeueReusableCell<T>(withClass name: T.Type, for indexPath: IndexPath) -> T where T : UICollectionViewCellParameters
nameUICollectionViewCell type.
indexPathlocation of cell in collectionView.
Return Value
UICollectionViewCell object with associated class name.
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SwifterSwift: Dequeue reusable UICollectionReusableView using class name.
Declaration
Swift
func dequeueReusableSupplementaryView<T>(ofKind kind: String, withClass name: T.Type, for indexPath: IndexPath) -> T where T : UICollectionReusableViewParameters
kindthe kind of supplementary view to retrieve. This value is defined by the layout object.
nameUICollectionReusableView type.
indexPathlocation of cell in collectionView.
Return Value
UICollectionReusableView object with associated class name.
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SwifterSwift: Register UICollectionReusableView using class name.
Declaration
Swift
func register<T>(supplementaryViewOfKind kind: String, withClass name: T.Type) where T : UICollectionReusableViewParameters
kindthe kind of supplementary view to retrieve. This value is defined by the layout object.
nameUICollectionReusableView type.
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SwifterSwift: Register UICollectionViewCell using class name.
Declaration
Swift
func register<T>(nib: UINib?, forCellWithClass name: T.Type) where T : UICollectionViewCellParameters
nibNib file used to create the collectionView cell.
nameUICollectionViewCell type.
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SwifterSwift: Register UICollectionViewCell using class name.
Declaration
Swift
func register<T>(cellWithClass name: T.Type) where T : UICollectionViewCellParameters
nameUICollectionViewCell type.
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SwifterSwift: Register UICollectionReusableView using class name.
Declaration
Swift
func register<T>(nib: UINib?, forSupplementaryViewOfKind kind: String, withClass name: T.Type) where T : UICollectionReusableViewParameters
nibNib file used to create the reusable view.
kindthe kind of supplementary view to retrieve. This value is defined by the layout object.
nameUICollectionReusableView type.
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SwifterSwift: Register UICollectionViewCell with .xib file using only its corresponding class. Assumes that the .xib filename and cell class has the same name.
Declaration
Swift
func register<T>(nibWithCellClass name: T.Type, at bundleClass: AnyClass? = nil) where T : UICollectionViewCellParameters
nameUICollectionViewCell type.
bundleClassClass in which the Bundle instance will be based on.
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SwifterSwift: Safely scroll to possibly invalid IndexPath
Declaration
Swift
func safeScrollToItem(at indexPath: IndexPath, at scrollPosition: UICollectionView.ScrollPosition, animated: Bool)Parameters
indexPathTarget IndexPath to scroll to
scrollPositionScroll position
animatedWhether to animate or not
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SwifterSwift: Check whether IndexPath is valid within the CollectionView
Declaration
Swift
func isValidIndexPath(_ indexPath: IndexPath) -> BoolParameters
indexPathAn IndexPath to check
Return Value
Boolean value for valid or invalid IndexPath