newsstandDownloads
A key indicating that the app was launched to process newly downloaded Newsstand assets.
Declaration
static let newsstandDownloads: UIApplication.LaunchOptionsKeyDiscussion
The value of this key is an array of string identifiers that identify the NKAssetDownload objects corresponding to the assets. Although you can use the identifiers for cross-checking purposes, you should obtain the definitive array of NKAssetDownload objects (representing asset downloads in progress or in error) through the downloadingAssets property of the NKLibrary object representing the Newsstand app’s library.