Package org.robovm.apple.uikit

Interface UICollectionViewDelegate

All Superinterfaces:

NSObjectProtocol, ObjCProtocol, UIScrollViewDelegate

All Known Subinterfaces:

UICollectionViewDelegateFlowLayout

All Known Implementing Classes:

UICollectionViewController, UICollectionViewDelegateAdapter, UICollectionViewDelegateFlowLayoutAdapter, UICollectionViewModel

public interface UICollectionViewDelegate
extends UIScrollViewDelegate

Method Summary

Modifier and Type	Method	Description
boolean	canEditItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	canFocusItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	canPerformAction(UICollectionView collectionView, Selector action, NSIndexPath indexPath, NSObject sender)	Deprecated. Deprecated in iOS 13.0.
void	collectionViewDidEndMultipleSelectionInteraction(UICollectionView collectionView)
void	didBeginMultipleSelectionInteraction(UICollectionView collectionView, NSIndexPath indexPath)
void	didDeselectItem(UICollectionView collectionView, NSIndexPath indexPath)
void	didEndDisplayingCell(UICollectionView collectionView, UICollectionViewCell cell, NSIndexPath indexPath)
void	didEndDisplayingSupplementaryView(UICollectionView collectionView, UICollectionReusableView view, String elementKind, NSIndexPath indexPath)
void	didHighlightItem(UICollectionView collectionView, NSIndexPath indexPath)
void	didSelectItem(UICollectionView collectionView, NSIndexPath indexPath)
void	didUnhighlightItem(UICollectionView collectionView, NSIndexPath indexPath)
void	didUpdateFocus(UICollectionView collectionView, UICollectionViewFocusUpdateContext context, UIFocusAnimationCoordinator coordinator)
UIContextMenuConfiguration	getContextMenuConfiguration(UICollectionView collectionView, NSIndexPath indexPath, CGPoint point)
NSIndexPath	getIndexPathForPreferredFocusedView(UICollectionView collectionView)
UITargetedPreview	getPreviewForDismissingContextMenu(UICollectionView collectionView, UIContextMenuConfiguration configuration)
UITargetedPreview	getPreviewForHighlightingContextMenu(UICollectionView collectionView, UIContextMenuConfiguration configuration)
UIWindowSceneActivationConfiguration	getSceneActivationConfiguration(UICollectionView collectionView, NSIndexPath indexPath, CGPoint point)
CGPoint	getTargetContentOffsetForProposedContentOffset(UICollectionView collectionView, CGPoint proposedContentOffset)
NSIndexPath	getTargetIndexPathForMoveFromItem(UICollectionView collectionView, NSIndexPath currentIndexPath, NSIndexPath proposedIndexPath)	Deprecated. Deprecated in iOS 15.0.
NSIndexPath	getTargetIndexPathForMoveOfItemFromOriginalIndexPath(UICollectionView collectionView, NSIndexPath originalIndexPath, NSIndexPath currentIndexPath, NSIndexPath proposedIndexPath)
UICollectionViewTransitionLayout	getTransitionLayout(UICollectionView collectionView, UICollectionViewLayout fromLayout, UICollectionViewLayout toLayout)
boolean	isSelectionFollowsFocus(UICollectionView collectionView, NSIndexPath indexPath)
void	performAction(UICollectionView collectionView, Selector action, NSIndexPath indexPath, NSObject sender)	Deprecated. Deprecated in iOS 13.0.
boolean	shouldBeginMultipleSelectionInteraction(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldDeselectItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldHighlightItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldSelectItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldShowMenuForItem(UICollectionView collectionView, NSIndexPath indexPath)	Deprecated. Deprecated in iOS 13.0.
boolean	shouldSpringLoadItem(UICollectionView collectionView, NSIndexPath indexPath, UISpringLoadedInteractionContext context)
boolean	shouldUpdateFocus(UICollectionView collectionView, UICollectionViewFocusUpdateContext context)
void	willDisplayCell(UICollectionView collectionView, UICollectionViewCell cell, NSIndexPath indexPath)
void	willDisplayContextMenu(UICollectionView collectionView, UIContextMenuConfiguration configuration, UIContextMenuInteractionAnimating animator)
void	willDisplaySupplementaryView(UICollectionView collectionView, UICollectionReusableView view, String elementKind, NSIndexPath indexPath)
void	willEndContextMenuInteraction(UICollectionView collectionView, UIContextMenuConfiguration configuration, UIContextMenuInteractionAnimating animator)
void	willPerformPreviewAction(UICollectionView collectionView, UIContextMenuConfiguration configuration, UIContextMenuInteractionCommitAnimating animator)

Methods inherited from interface org.robovm.apple.uikit.UIScrollViewDelegate

didEndDecelerating, didEndDragging, didEndScrollingAnimation, didEndZooming, didScroll, didScrollToTop, didZoom, getViewForZooming, scrollViewDidChangeAdjustedContentInset, shouldScrollToTop, willBeginDecelerating, willBeginDragging, willBeginZooming, willEndDragging

Method Details

shouldHighlightItem

boolean shouldHighlightItem(UICollectionView collectionView,
NSIndexPath indexPath)

didHighlightItem

void didHighlightItem(UICollectionView collectionView,
NSIndexPath indexPath)

didUnhighlightItem

void didUnhighlightItem(UICollectionView collectionView,
NSIndexPath indexPath)

shouldSelectItem

boolean shouldSelectItem(UICollectionView collectionView,
NSIndexPath indexPath)

shouldDeselectItem

boolean shouldDeselectItem(UICollectionView collectionView,
NSIndexPath indexPath)

didSelectItem

void didSelectItem(UICollectionView collectionView,
NSIndexPath indexPath)

didDeselectItem

void didDeselectItem(UICollectionView collectionView,
NSIndexPath indexPath)

willDisplayCell

void willDisplayCell(UICollectionView collectionView,
UICollectionViewCell cell,
NSIndexPath indexPath)

willDisplaySupplementaryView

void willDisplaySupplementaryView(UICollectionView collectionView,
UICollectionReusableView view,
String elementKind,
NSIndexPath indexPath)

didEndDisplayingCell

void didEndDisplayingCell(UICollectionView collectionView,
UICollectionViewCell cell,
NSIndexPath indexPath)

didEndDisplayingSupplementaryView

void didEndDisplayingSupplementaryView(UICollectionView collectionView,
UICollectionReusableView view,
String elementKind,
NSIndexPath indexPath)

shouldShowMenuForItem

@Deprecated
boolean shouldShowMenuForItem(UICollectionView collectionView,
NSIndexPath indexPath)

Deprecated.

Deprecated in iOS 13.0. Use collectionView:contextMenuConfigurationForItemAtIndexPath:

canPerformAction

@Deprecated
boolean canPerformAction(UICollectionView collectionView,
Selector action,
NSIndexPath indexPath,
NSObject sender)

Deprecated.

Deprecated in iOS 13.0. Use collectionView:contextMenuConfigurationForItemAtIndexPath:

performAction

@Deprecated
void performAction(UICollectionView collectionView,
Selector action,
NSIndexPath indexPath,
NSObject sender)

Deprecated.

Deprecated in iOS 13.0. Use collectionView:contextMenuConfigurationForItemAtIndexPath:

getTransitionLayout

UICollectionViewTransitionLayout getTransitionLayout(UICollectionView collectionView,
UICollectionViewLayout fromLayout,
UICollectionViewLayout toLayout)

canFocusItem

boolean canFocusItem(UICollectionView collectionView,
NSIndexPath indexPath)

Since:

Available in iOS 9.0 and later.

shouldUpdateFocus

boolean shouldUpdateFocus(UICollectionView collectionView,
UICollectionViewFocusUpdateContext context)

Since:

Available in iOS 9.0 and later.

didUpdateFocus

void didUpdateFocus(UICollectionView collectionView,
UICollectionViewFocusUpdateContext context,
UIFocusAnimationCoordinator coordinator)

Since:

Available in iOS 9.0 and later.

getIndexPathForPreferredFocusedView

NSIndexPath getIndexPathForPreferredFocusedView(UICollectionView collectionView)

Since:

Available in iOS 9.0 and later.

isSelectionFollowsFocus

boolean isSelectionFollowsFocus(UICollectionView collectionView,
NSIndexPath indexPath)

Since:

Available in iOS 15.0 and later.

getTargetIndexPathForMoveOfItemFromOriginalIndexPath

NSIndexPath getTargetIndexPathForMoveOfItemFromOriginalIndexPath(UICollectionView collectionView,
NSIndexPath originalIndexPath,
NSIndexPath currentIndexPath,
NSIndexPath proposedIndexPath)

Since:

Available in iOS 15.0 and later.

getTargetIndexPathForMoveFromItem

@Deprecated
NSIndexPath getTargetIndexPathForMoveFromItem(UICollectionView collectionView,
NSIndexPath currentIndexPath,
NSIndexPath proposedIndexPath)

Deprecated.

Deprecated in iOS 15.0. Use collectionView:targetIndexPathForMoveOfItemFromOriginalIndexPath:atCurrentIndexPath:toProposedIndexPath:

Since:

Available in iOS 9.0 and later.

getTargetContentOffsetForProposedContentOffset

CGPoint getTargetContentOffsetForProposedContentOffset(UICollectionView collectionView,
CGPoint proposedContentOffset)

Since:

Available in iOS 9.0 and later.

canEditItem

boolean canEditItem(UICollectionView collectionView,
NSIndexPath indexPath)

Since:

Available in iOS 14.0 and later.

shouldSpringLoadItem

boolean shouldSpringLoadItem(UICollectionView collectionView,
NSIndexPath indexPath,
UISpringLoadedInteractionContext context)

Since:

Available in iOS 11.0 and later.

shouldBeginMultipleSelectionInteraction

boolean shouldBeginMultipleSelectionInteraction(UICollectionView collectionView,
NSIndexPath indexPath)

Since:

Available in iOS 13.0 and later.

didBeginMultipleSelectionInteraction

void didBeginMultipleSelectionInteraction(UICollectionView collectionView,
NSIndexPath indexPath)

Since:

Available in iOS 13.0 and later.

collectionViewDidEndMultipleSelectionInteraction

void collectionViewDidEndMultipleSelectionInteraction(UICollectionView collectionView)

Since:

Available in iOS 13.0 and later.

getContextMenuConfiguration

UIContextMenuConfiguration getContextMenuConfiguration(UICollectionView collectionView,
NSIndexPath indexPath,
CGPoint point)

Since:

Available in iOS 13.0 and later.

getPreviewForHighlightingContextMenu

UITargetedPreview getPreviewForHighlightingContextMenu(UICollectionView collectionView,
UIContextMenuConfiguration configuration)

Since:

Available in iOS 13.0 and later.

getPreviewForDismissingContextMenu

UITargetedPreview getPreviewForDismissingContextMenu(UICollectionView collectionView,
UIContextMenuConfiguration configuration)

Since:

Available in iOS 13.0 and later.

willPerformPreviewAction

void willPerformPreviewAction(UICollectionView collectionView,
UIContextMenuConfiguration configuration,
UIContextMenuInteractionCommitAnimating animator)

Since:

Available in iOS 13.0 and later.

willDisplayContextMenu

void willDisplayContextMenu(UICollectionView collectionView,
UIContextMenuConfiguration configuration,
UIContextMenuInteractionAnimating animator)

Since:

Available in iOS 13.2 and later.

willEndContextMenuInteraction

void willEndContextMenuInteraction(UICollectionView collectionView,
UIContextMenuConfiguration configuration,
UIContextMenuInteractionAnimating animator)

Since:

Available in iOS 13.2 and later.

getSceneActivationConfiguration

UIWindowSceneActivationConfiguration getSceneActivationConfiguration(UICollectionView collectionView,
NSIndexPath indexPath,
CGPoint point)

Since:

Available in iOS 15.0 and later.