Swiftgram/submodules/AsyncDisplayKit/docs/_docs/node-overview.md

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Texture offers the following nodes.

A key advantage of using nodes over UIKit components is that all nodes perform layout and display off of the main thread, so that the main thread is available to immediately respond to user interaction events.

Texture Node	UIKit Equivalent
ASDisplayNode	in place of UIKit's UIView The root Texture node, from which all other nodes inherit.
ASCellNode	in place of UIKit's UITableViewCell & UICollectionViewCell ASCellNodes are used in ASTableNode, ASCollectionNode and ASPagerNode.
ASScrollNode	in place of UIKit's UIScrollView This node is useful for creating a customized scrollable region that contains other nodes.
ASEditableTextNode ASTextNode	in place of UIKit's UITextView in place of UIKit's UILabel
ASImageNode ASNetworkImageNode ASMultiplexImageNode	in place of UIKit's UIImageView
ASVideoNode ASVideoPlayerNode	in place of UIKit's AVPlayerLayer in place of UIKit's UIMoviePlayer
ASControlNode	in place of UIKit's UIControl
ASButtonNode	in place of UIKit's UIButton
ASMapNode	in place of UIKit's MKMapView

Despite having rough equivalencies to UIKit components, in general, Texture nodes offer more advanced features and conveniences. For example, an `ASNetworkImageNode` does automatic loading and cache management, and even supports progressive jpeg and animated gifs.

The AsyncDisplayKitOverview example app gives basic implementations of each of the nodes listed above.

Node Inheritance Hierarchy

All Texture nodes inherit from ASDisplayNode.

The nodes highlighted in blue are synchronous wrappers of UIKit elements. For example, ASScrollNode wraps a UIScrollView, and ASCollectionNode wraps a UICollectionView. An ASMapNode in liveMapMode is a synchronous wrapper of UIMapView.