Slides and Transcript:https://developer.apple.com/videos/play/wwdc2014-234
Description:Come hear the advancements in document handling in iOS 8. See how easy it is to use the new Document Picker UI. Learn how to share documents between apps, and even provide documents to other apps from your custom data store.
Watch on apple.com
Slides and Transcript:http://devstreaming.apple.com/videos/wwdc/2015/234reaz1byqc/234/234_building_document_based_apps.pdf?dl=1