Package org.robovm.apple.uikit

Class UICollectionViewLayout

java.lang.Object

org.robovm.rt.bro.NativeObject

org.robovm.objc.ObjCObject

org.robovm.apple.foundation.NSObject

org.robovm.apple.uikit.UICollectionViewLayout

All Implemented Interfaces:

NSCoding, NSObjectProtocol, ObjCProtocol

Direct Known Subclasses:

UICollectionViewCompositionalLayout, UICollectionViewFlowLayout, UICollectionViewTransitionLayout

public class UICollectionViewLayout
extends NSObject
implements NSCoding

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UICollectionViewLayout.UICollectionViewLayoutPtr

Nested classes/interfaces inherited from class org.robovm.apple.foundation.NSObject

NSObject.Handle, NSObject.Marshaler, NSObject.NoRetainMarshaler, NSObject.NSKeyValueObserver, NSObject.NSObjectPtr, NSObject.SkipInit

Nested classes/interfaces inherited from class org.robovm.objc.ObjCObject

ObjCObject.ObjCObjectPtr, ObjCObject.Super

Field Summary

Fields inherited from class org.robovm.apple.foundation.NSObject

FLAG_NO_RETAIN

Fields inherited from class org.robovm.objc.ObjCObject

customClass

Constructor Summary

Constructors

Modifier	Constructor	Description
	UICollectionViewLayout()
	UICollectionViewLayout(NSCoder coder)
protected	UICollectionViewLayout(NSObject.Handle h, long handle)
protected	UICollectionViewLayout(NSObject.SkipInit skipInit)

Method Summary

Modifier and Type	Method	Description
static double	AutomaticDimension()
void	encode(NSCoder coder)
void	finalizeAnimatedBoundsChange()
void	finalizeCollectionViewUpdates()
void	finalizeLayoutTransition()
boolean	flipsHorizontallyInOppositeLayoutDirection()
UICollectionView	getCollectionView()
CGSize	getCollectionViewContentSize()
UIUserInterfaceLayoutDirection	getDevelopmentLayoutDirection()
UICollectionViewLayoutAttributes	getFinalLayoutAttributesForDisappearingDecorationElement(String elementKind, NSIndexPath decorationIndexPath)
UICollectionViewLayoutAttributes	getFinalLayoutAttributesForDisappearingItem(NSIndexPath itemIndexPath)
UICollectionViewLayoutAttributes	getFinalLayoutAttributesForDisappearingSupplementaryElement(String elementKind, NSIndexPath elementIndexPath)
NSArray<NSIndexPath>	getIndexPathsToDeleteForDecorationView(String elementKind)
NSArray<NSIndexPath>	getIndexPathsToDeleteForSupplementaryView(String elementKind)
NSArray<NSIndexPath>	getIndexPathsToInsertForDecorationView(String elementKind)
NSArray<NSIndexPath>	getIndexPathsToInsertForSupplementaryView(String elementKind)
UICollectionViewLayoutAttributes	getInitialLayoutAttributesForAppearingDecorationElement(String elementKind, NSIndexPath decorationIndexPath)
UICollectionViewLayoutAttributes	getInitialLayoutAttributesForAppearingItem(NSIndexPath itemIndexPath)
UICollectionViewLayoutAttributes	getInitialLayoutAttributesForAppearingSupplementaryElement(String elementKind, NSIndexPath elementIndexPath)
static Class<? extends UICollectionViewLayoutInvalidationContext>	getInvalidationContextClass()
UICollectionViewLayoutInvalidationContext	getInvalidationContextForBoundsChange(CGRect newBounds)
UICollectionViewLayoutInvalidationContext	getInvalidationContextForEndingInteractiveMovement(NSArray<NSIndexPath> indexPaths, NSArray<NSIndexPath> previousIndexPaths, boolean movementCancelled)
UICollectionViewLayoutInvalidationContext	getInvalidationContextForInteractivelyMovingItems(NSArray<NSIndexPath> targetIndexPaths, CGPoint targetPosition, NSArray<NSIndexPath> previousIndexPaths, CGPoint previousPosition)
UICollectionViewLayoutInvalidationContext	getInvalidationContextForPreferredLayoutAttributes(UICollectionViewLayoutAttributes preferredAttributes, UICollectionViewLayoutAttributes originalAttributes)
static Class<? extends UICollectionViewLayoutAttributes>	getLayoutAttributesClass()
UICollectionViewLayoutAttributes	getLayoutAttributesForDecorationView(String elementKind, NSIndexPath indexPath)
NSArray<UICollectionViewLayoutAttributes>	getLayoutAttributesForElements(CGRect rect)
UICollectionViewLayoutAttributes	getLayoutAttributesForInteractivelyMovingItem(NSIndexPath indexPath, CGPoint position)
UICollectionViewLayoutAttributes	getLayoutAttributesForItem(NSIndexPath indexPath)
UICollectionViewLayoutAttributes	getLayoutAttributesForSupplementaryView(String elementKind, NSIndexPath indexPath)
CGPoint	getTargetContentOffset(CGPoint proposedContentOffset)
CGPoint	getTargetContentOffset(CGPoint proposedContentOffset, CGPoint velocity)
NSIndexPath	getTargetIndexPathForInteractivelyMovingItem(NSIndexPath previousIndexPath, CGPoint position)
protected long	init(NSCoder coder)
void	invalidateLayout()
void	invalidateLayout(UICollectionViewLayoutInvalidationContext context)
void	prepareForAnimatedBoundsChange(CGRect oldBounds)
void	prepareForCollectionViewUpdates(NSArray<UICollectionViewUpdateItem> updateItems)
void	prepareForTransitionFromLayout(UICollectionViewLayout oldLayout)
void	prepareForTransitionToLayout(UICollectionViewLayout newLayout)
void	prepareLayout()
void	registerDecorationViewClass(Class<? extends UICollectionReusableView> viewClass, String elementKind)
void	registerDecorationViewNib(UINib nib, String elementKind)
boolean	shouldInvalidateLayoutForBoundsChange(CGRect newBounds)
boolean	shouldInvalidateLayoutForPreferredLayoutAttributes(UICollectionViewLayoutAttributes preferredAttributes, UICollectionViewLayoutAttributes originalAttributes)

Methods inherited from class org.robovm.apple.foundation.NSObject

addKeyValueObserver, addKeyValueObserver, afterMarshaled, alloc, autorelease, autorelease, awakeFromNib, conformsToProtocol, copy, description, didChangeValue, didChangeValue, didChangeValues, doDispose, equals, forceSkipInit, getAutoContentAccessingProxy, getClassForCoder, getClassForKeyedArchiver, getKeyValueCoder, getObservationInfo, hash, hashCode, init, isEqual, isKindOfClass, isMemberOfClass, mutableCopy, performSelector, performSelector, performSelector, performSelector, performSelector, performSelector, performSelector, performSelectorInBackground, performSelectorOnMainThread, performSelectorOnMainThread, performSelectorV, performSelectorV, performSelectorV, release, release, removeKeyValueObserver, removeKeyValueObservers, respondsToSelector, retain, retain, retainCount, setObservationInfo, toString, willChangeValue, willChangeValue, willChangeValues

Methods inherited from class org.robovm.objc.ObjCObject

addStrongRef, dispose, dispose, finalize, getAssociatedObject, getObjCClass, getPeerObject, getSuper, initObject, logRetainRelease, removeStrongRef, retainCustomObjectFromCb, setAssociatedObject, toObjCObject, toObjCObject, updateStrongRef

Methods inherited from class org.robovm.rt.bro.NativeObject

as, getHandle, setHandle

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

UICollectionViewLayout

public UICollectionViewLayout()

UICollectionViewLayout

protected UICollectionViewLayout(NSObject.Handle h, long handle)

UICollectionViewLayout

protected UICollectionViewLayout(NSObject.SkipInit skipInit)

UICollectionViewLayout

public UICollectionViewLayout(NSCoder coder)

Method Details

getCollectionView

public UICollectionView getCollectionView()

getLayoutAttributesClass

public static Class<? extends UICollectionViewLayoutAttributes> getLayoutAttributesClass()

getInvalidationContextClass

public static Class<? extends UICollectionViewLayoutInvalidationContext> getInvalidationContextClass()

getCollectionViewContentSize

public CGSize getCollectionViewContentSize()

getDevelopmentLayoutDirection

public UIUserInterfaceLayoutDirection getDevelopmentLayoutDirection()

flipsHorizontallyInOppositeLayoutDirection

public boolean flipsHorizontallyInOppositeLayoutDirection()

AutomaticDimension

public static double AutomaticDimension()

Since:

Available in iOS 15.0 and later.

init

protected long init(NSCoder coder)

invalidateLayout

public void invalidateLayout()

invalidateLayout

public void invalidateLayout(UICollectionViewLayoutInvalidationContext context)

registerDecorationViewClass

public void registerDecorationViewClass(Class<? extends UICollectionReusableView> viewClass, String elementKind)

registerDecorationViewNib

public void registerDecorationViewNib(UINib nib, String elementKind)

prepareLayout

public void prepareLayout()

getLayoutAttributesForElements

public NSArray<UICollectionViewLayoutAttributes> getLayoutAttributesForElements(CGRect rect)

getLayoutAttributesForItem

public UICollectionViewLayoutAttributes getLayoutAttributesForItem(NSIndexPath indexPath)

getLayoutAttributesForSupplementaryView

public UICollectionViewLayoutAttributes getLayoutAttributesForSupplementaryView(String elementKind, NSIndexPath indexPath)

getLayoutAttributesForDecorationView

public UICollectionViewLayoutAttributes getLayoutAttributesForDecorationView(String elementKind, NSIndexPath indexPath)

shouldInvalidateLayoutForBoundsChange

public boolean shouldInvalidateLayoutForBoundsChange(CGRect newBounds)

getInvalidationContextForBoundsChange

public UICollectionViewLayoutInvalidationContext getInvalidationContextForBoundsChange(CGRect newBounds)

shouldInvalidateLayoutForPreferredLayoutAttributes

public boolean shouldInvalidateLayoutForPreferredLayoutAttributes(UICollectionViewLayoutAttributes preferredAttributes, UICollectionViewLayoutAttributes originalAttributes)

getInvalidationContextForPreferredLayoutAttributes

public UICollectionViewLayoutInvalidationContext getInvalidationContextForPreferredLayoutAttributes(UICollectionViewLayoutAttributes preferredAttributes, UICollectionViewLayoutAttributes originalAttributes)

getTargetContentOffset

public CGPoint getTargetContentOffset(CGPoint proposedContentOffset, CGPoint velocity)

getTargetContentOffset

public CGPoint getTargetContentOffset(CGPoint proposedContentOffset)

prepareForCollectionViewUpdates

public void prepareForCollectionViewUpdates(NSArray<UICollectionViewUpdateItem> updateItems)

finalizeCollectionViewUpdates

public void finalizeCollectionViewUpdates()

prepareForAnimatedBoundsChange

public void prepareForAnimatedBoundsChange(CGRect oldBounds)

finalizeAnimatedBoundsChange

public void finalizeAnimatedBoundsChange()

prepareForTransitionToLayout

public void prepareForTransitionToLayout(UICollectionViewLayout newLayout)

prepareForTransitionFromLayout

public void prepareForTransitionFromLayout(UICollectionViewLayout oldLayout)

finalizeLayoutTransition

public void finalizeLayoutTransition()

getInitialLayoutAttributesForAppearingItem

public UICollectionViewLayoutAttributes getInitialLayoutAttributesForAppearingItem(NSIndexPath itemIndexPath)

getFinalLayoutAttributesForDisappearingItem

public UICollectionViewLayoutAttributes getFinalLayoutAttributesForDisappearingItem(NSIndexPath itemIndexPath)

getInitialLayoutAttributesForAppearingSupplementaryElement

public UICollectionViewLayoutAttributes getInitialLayoutAttributesForAppearingSupplementaryElement(String elementKind, NSIndexPath elementIndexPath)

getFinalLayoutAttributesForDisappearingSupplementaryElement

public UICollectionViewLayoutAttributes getFinalLayoutAttributesForDisappearingSupplementaryElement(String elementKind, NSIndexPath elementIndexPath)

getInitialLayoutAttributesForAppearingDecorationElement

public UICollectionViewLayoutAttributes getInitialLayoutAttributesForAppearingDecorationElement(String elementKind, NSIndexPath decorationIndexPath)

getFinalLayoutAttributesForDisappearingDecorationElement

public UICollectionViewLayoutAttributes getFinalLayoutAttributesForDisappearingDecorationElement(String elementKind, NSIndexPath decorationIndexPath)

getIndexPathsToDeleteForSupplementaryView

public NSArray<NSIndexPath> getIndexPathsToDeleteForSupplementaryView(String elementKind)

getIndexPathsToDeleteForDecorationView

public NSArray<NSIndexPath> getIndexPathsToDeleteForDecorationView(String elementKind)

getIndexPathsToInsertForSupplementaryView

public NSArray<NSIndexPath> getIndexPathsToInsertForSupplementaryView(String elementKind)

getIndexPathsToInsertForDecorationView

public NSArray<NSIndexPath> getIndexPathsToInsertForDecorationView(String elementKind)

getTargetIndexPathForInteractivelyMovingItem

public NSIndexPath getTargetIndexPathForInteractivelyMovingItem(NSIndexPath previousIndexPath, CGPoint position)

Since:

Available in iOS 9.0 and later.

getLayoutAttributesForInteractivelyMovingItem

public UICollectionViewLayoutAttributes getLayoutAttributesForInteractivelyMovingItem(NSIndexPath indexPath, CGPoint position)

Since:

Available in iOS 9.0 and later.

getInvalidationContextForInteractivelyMovingItems

public UICollectionViewLayoutInvalidationContext getInvalidationContextForInteractivelyMovingItems(NSArray<NSIndexPath> targetIndexPaths, CGPoint targetPosition, NSArray<NSIndexPath> previousIndexPaths, CGPoint previousPosition)

Since:

Available in iOS 9.0 and later.

getInvalidationContextForEndingInteractiveMovement

public UICollectionViewLayoutInvalidationContext getInvalidationContextForEndingInteractiveMovement(NSArray<NSIndexPath> indexPaths, NSArray<NSIndexPath> previousIndexPaths, boolean movementCancelled)

Since:

Available in iOS 9.0 and later.

encode

public void encode(NSCoder coder)

Specified by:

encode in interface NSCoding