---
title: UIDynamicItem
framework: uikit
role: symbol
role_heading: Protocol
path: uikit/uidynamicitem
---

# UIDynamicItem

A set of methods that can make a custom object eligible to participate in UIKit Dynamics.

## Declaration

```swift
@MainActor protocol UIDynamicItem : NSObjectProtocol
```

## Overview

Overview Starting in iOS 7, the UIView and UICollectionViewLayoutAttributes classes implement this protocol.

## Topics

### Participating in dynamic animation

- [bounds](uikit/uidynamicitem/bounds.md)
- [center](uikit/uidynamicitem/center.md)
- [transform](uikit/uidynamicitem/transform.md)
- [collisionBoundsType](uikit/uidynamicitem/collisionboundstype.md)
- [collisionBoundingPath](uikit/uidynamicitem/collisionboundingpath.md)

### Constants

- [UIDynamicItemCollisionBoundsType](uikit/uidynamicitemcollisionboundstype.md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

### Inherited By

- [NSCollectionLayoutVisibleItem](uikit/nscollectionlayoutvisibleitem.md)

### Conforming Types

- [UIActionSheet](uikit/uiactionsheet.md)
- [UIActivityIndicatorView](uikit/uiactivityindicatorview.md)
- [UIAlertView](uikit/uialertview.md)
- [UIBackgroundExtensionView](uikit/uibackgroundextensionview.md)
- [UIButton](uikit/uibutton.md)
- [UICalendarView](uikit/uicalendarview.md)
- [UICollectionReusableView](uikit/uicollectionreusableview.md)
- [UICollectionView](uikit/uicollectionview.md)
- [UICollectionViewCell](uikit/uicollectionviewcell.md)
- [UICollectionViewLayoutAttributes](uikit/uicollectionviewlayoutattributes.md)
- [UICollectionViewListCell](uikit/uicollectionviewlistcell.md)
- [UIColorWell](uikit/uicolorwell.md)
- [UIContentUnavailableView](uikit/uicontentunavailableview.md)
- [UIControl](uikit/uicontrol.md)
- [UIDatePicker](uikit/uidatepicker.md)
- [UIDynamicItemGroup](uikit/uidynamicitemgroup.md)
- [UIEventAttributionView](uikit/uieventattributionview.md)
- [UIImageView](uikit/uiimageview.md)
- [UIInputView](uikit/uiinputview.md)
- [UILabel](uikit/uilabel.md)
- [UIListContentView](uikit/uilistcontentview.md)
- [UINavigationBar](uikit/uinavigationbar.md)
- [UIPageControl](uikit/uipagecontrol.md)
- [UIPasteControl](uikit/uipastecontrol.md)
- [UIPickerView](uikit/uipickerview.md)
- [UIPopoverBackgroundView](uikit/uipopoverbackgroundview.md)
- [UIProgressView](uikit/uiprogressview.md)
- [UIRefreshControl](uikit/uirefreshcontrol.md)
- [UIScrollView](uikit/uiscrollview.md)
- [UISearchBar](uikit/uisearchbar.md)
- [UISearchTextField](uikit/uisearchtextfield.md)
- [UISegmentedControl](uikit/uisegmentedcontrol.md)
- [UISlider](uikit/uislider.md)
- [UIStackView](uikit/uistackview.md)
- [UIStandardTextCursorView](uikit/uistandardtextcursorview.md)
- [UIStepper](uikit/uistepper.md)
- [UISwitch](uikit/uiswitch.md)
- [UITabBar](uikit/uitabbar.md)
- [UITableView](uikit/uitableview.md)
- [UITableViewCell](uikit/uitableviewcell.md)
- [UITableViewHeaderFooterView](uikit/uitableviewheaderfooterview.md)
- [UITextField](uikit/uitextfield.md)
- [UITextView](uikit/uitextview.md)
- [UIToolbar](uikit/uitoolbar.md)
- [UIView](uikit/uiview.md)
- [UIVisualEffectView](uikit/uivisualeffectview.md)
- [UIWebView](uikit/uiwebview.md)
- [UIWindow](uikit/uiwindow.md)

## See Also

### Dynamic items

- [UIDynamicItemBehavior](uikit/uidynamicitembehavior.md)
- [UIDynamicItemGroup](uikit/uidynamicitemgroup.md)