Type Property

NSExtensionHostWillEnterForeground

Posted when the extension’s host app begins running in the foreground.

Declaration

static let NSExtensionHostWillEnterForeground: NSNotification.Name

Discussion

Extensions can use this notification to restart tasks that it stopped when they moved to the background. The object parameter contains the NSExtensionContext object. This notification does not contain a userInfo dictionary.

See Also

Notifications

static let NSExtensionHostDidBecomeActive: NSNotification.Name

Posted when the extension’s host app moves from the inactive to the active state.

static let NSExtensionHostWillResignActive: NSNotification.Name

Posted when the extension’s host app moves from the active to the inactive state.

static let NSExtensionHostDidEnterBackground: NSNotification.Name

Posted when the extension’s host app begins running in the background.