UICollectionViewDelegate.DidUpdateFocus Method
Definition
Important
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Delegate method called shortly after focus has changed to a new UIView.
[Foundation.Export("collectionView:didUpdateFocusInContext:withAnimationCoordinator:")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual void DidUpdateFocus (UIKit.UICollectionView collectionView, UIKit.UICollectionViewFocusUpdateContext context, UIKit.UIFocusAnimationCoordinator coordinator);abstract member DidUpdateFocus : UIKit.UICollectionView * UIKit.UICollectionViewFocusUpdateContext * UIKit.UIFocusAnimationCoordinator -> unit
override this.DidUpdateFocus : UIKit.UICollectionView * UIKit.UICollectionViewFocusUpdateContext * UIKit.UIFocusAnimationCoordinator -> unitParameters
- collectionView
- UICollectionView
The collection view that originated the request.
Metadata for the focus change.
- coordinator
- UIFocusAnimationCoordinator
The T:UIKit.UIFocusAnimationController coordinating the focus-change animations.
- Attributes
Remarks
The values of PreviouslyFocusedIndexPath and NextFocusedIndexPath may be null if focus was previously not within, or just departed, the collectionView.