How to find out whether the user dismiss the credential action sheet or there is no credentials

Hi, I want to implement passkey in my app. I am wondering if there is a robust way to distinguish between these two situations:

  1. the user cancels the action sheet (ASAuthorizationController)
  2. there are no credentials at all

Both situations give a canceled error. I noticed a localized string in NSError.userInfo explaining the reason in situation 2, but this is not a robust way of distinguishing between them because the behavior can change in the future.

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cnliusen
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These two cases are not meant to be distinguished programmatically, for privacy reasons, and you're right that the userInfo shouldn't be relied upon. You likely want to either use AutoFill-assisted requests, or perform a modal request with a silent fallback (i.e. no UI gets displayed you get the cancel callback immediately if there are no credentials). These options are displayed in detail in the Meet passkeys developer session.

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garrett-davidson
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