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

Apps with app group can use :

 func isOpenAccessGranted() -> Bool {
    let fm = NSFileManager.defaultManager()
    let containerPath = fm.containerURLForSecurityApplicationGroupIdentifier(
        AppGroup)?.path
    return fm.isWritableFileAtPath(containerPath!)
}