CloudKit CKContainer

处理用户未登录 iCloud 的情况

CKContainer.default().accountStatus { accountStatus, error in
    if accountStatus == .noAccount {
        DispatchQueue.main.async {
            let message = 
                """
                Sign in to your iCloud account to write records.
                On the Home screen, launch Settings, tap Sign in to your
                iPhone/iPad, and enter your Apple ID. Turn iCloud Drive on.
                """
            let alert = UIAlertController(
                title: "Sign in to iCloud",
                message: message,
                preferredStyle: .alert)
            alert.addAction(UIAlertAction(title: "OK", style: .cancel))
            self.present(alert, animated: true)
        }
    }
    else {
        // Save your record here.
    }
}

本文作者：Maeiee

本文链接：CloudKit CKContainer

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