How to check the “Allow Full Access” is enabled in iOS 8?

Question

In iOS 8, when develop a custom keyboard and set RequestsOpenAccess property to YES in info.plist, there is a toggle button at Settings-> Add New Keyboard named \"Allow Full

Answer 1

Today, for iOS 9.2, you can check opened access by:

func isOpenAccessGranted() -> Bool {
    return UIPasteboard(name: "checkOpenedAccess", create: true) != nil
}