I read https://community.playfab.com/questions/17055/what-is-the-best-way-to-create-a-static-device-id.html and that is what I was trying to do. But PlayFab still logins with the current device ID, not the one I get from the KeyChain and pass in with the API request. I am using the Unity SDK.
Is your ID matches including case ?
Here is the pseudo code:
First Install:
If (KeyChain Has Id) --> NO
Get it from Unity's SystemInfo.deviceUniqueIdentifier (Say 'abc...')
Save to keyChain
Use 'abc...' in the LoginWithIOSDeivce request to login
PlayFab creates an account (Say '123...') linked to a device 'abc...'
Good!
Second install.
If (KeyChain Has id) --> Yes
Read it from KeyChain ('abc..')
Use 'abc...' in the LoginWithIOSDevice request to login
PlayFab creates an account (Say '789...') linked to a device 'xyz...'
Bad!
Looking at SystemInfo.deviceUniqueIdentifier on the second install the new device id it returned was 'xyz...'
It seems that when I pass 'abc...' from the keychain into the API call it somehow magically replaces it with the current device ID 'xyz..'
It is a pretty straight pass of the data to the PlayFab SDK which seems to do a pretty direct call to send the HTTP request. Yet somehow the id I set and double check is to be in the quest 'abc...' gets replaces with the current device ID 'xyz..' I never see the new id 'xyz..' in the debugging the code but when I look at the Playfab dashboard a new account now exists with the 'xyz..' device linked. VERY ODD!
Well, the LoginWithIOSDeviceID call always uses the ID that's passed to it, so I think your question is really, is there anything in the SDK which is "helping" too much, and preventing you from using the Keychain ID. My question would be, how are you setting the Device ID for the call, exactly? If you explicitly set the deviceUniqueIdentifier to the Keychain ID, this should work for you. Can you give that a try?
Note I have started a more detailed interaction with Brendan and the team than what I am posting here. Not always but under some conditions, the Unity SDK call to LoginWithIOSDeviceID does seem to replace the ID passed in with the device ID read from Unity's SystemInfo.deviceUniqueIdentifier. We are still investigating. It only seems to happen on an iOS device, not in the editor. I have seen it work with some builds of test code but others the replacement happens. Still sorting it out.
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