Package org.robovm.apple.uikit

Interface UICollectionViewDelegate

All Superinterfaces:

NSObjectProtocol, org.robovm.objc.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	canFocusItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	canPerformAction(UICollectionView collectionView, org.robovm.objc.Selector action, NSIndexPath indexPath, NSObject sender)
void	didDeselectItem(UICollectionView collectionView, NSIndexPath indexPath)
void	didEndDisplayingCell(UICollectionView collectionView, UICollectionViewCell cell, NSIndexPath indexPath)
void	didEndDisplayingSupplementaryView(UICollectionView collectionView, UICollectionReusableView view, java.lang.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)
NSIndexPath	getIndexPathForPreferredFocusedView(UICollectionView collectionView)
CGPoint	getTargetContentOffsetForProposedContentOffset(UICollectionView collectionView, CGPoint proposedContentOffset)
NSIndexPath	getTargetIndexPathForMoveFromItem(UICollectionView collectionView, NSIndexPath originalIndexPath, NSIndexPath proposedIndexPath)
UICollectionViewTransitionLayout	getTransitionLayout(UICollectionView collectionView, UICollectionViewLayout fromLayout, UICollectionViewLayout toLayout)
void	performAction(UICollectionView collectionView, org.robovm.objc.Selector action, NSIndexPath indexPath, NSObject sender)
boolean	shouldDeselectItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldHighlightItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldSelectItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldShowMenuForItem(UICollectionView collectionView, NSIndexPath indexPath)
boolean	shouldSpringLoadItem(UICollectionView collectionView, NSIndexPath indexPath, UISpringLoadedInteractionContext context)
boolean	shouldUpdateFocus(UICollectionView collectionView, UICollectionViewFocusUpdateContext context)
void	willDisplayCell(UICollectionView collectionView, UICollectionViewCell cell, NSIndexPath indexPath)
void	willDisplaySupplementaryView(UICollectionView collectionView, UICollectionReusableView view, java.lang.String elementKind, NSIndexPath indexPath)

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

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

Method Detail

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)

Since:

Available in iOS 8.0 and later.

willDisplaySupplementaryView

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

Since:

Available in iOS 8.0 and later.

didEndDisplayingCell

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

didEndDisplayingSupplementaryView

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

shouldShowMenuForItem

boolean shouldShowMenuForItem(UICollectionView collectionView,
                              NSIndexPath indexPath)

canPerformAction

boolean canPerformAction(UICollectionView collectionView,
                         org.robovm.objc.Selector action,
                         NSIndexPath indexPath,
                         NSObject sender)

performAction

void performAction(UICollectionView collectionView,
                   org.robovm.objc.Selector action,
                   NSIndexPath indexPath,
                   NSObject sender)

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.

getTargetIndexPathForMoveFromItem

NSIndexPath getTargetIndexPathForMoveFromItem(UICollectionView collectionView,
                                              NSIndexPath originalIndexPath,
                                              NSIndexPath proposedIndexPath)

Since:

Available in iOS 9.0 and later.

getTargetContentOffsetForProposedContentOffset

CGPoint getTargetContentOffsetForProposedContentOffset(UICollectionView collectionView,
                                                       CGPoint proposedContentOffset)

Since:

Available in iOS 9.0 and later.

shouldSpringLoadItem

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

Since:

Available in iOS 11.0 and later.