facebook/AsyncDisplayKit — pull request #143 by rnystrom (2014-12-05 21:55:55+00:00)
Title: Node placeholder API

ASDisplayNodes now have an overridable method -placeholderImage that lets you provide a custom UIImage to display while a node is displaying asynchronously. The default implementation of this method returns nil and thus does nothing. A provided example project also demonstrates using the placeholder API.