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Question by Theodus · Nov 18, 2016 at 08:19 PM · iospluginxcodelibrarylinking

iOS/Xcode: Duplicate Symbols

I have a project in which I'm using a number of 3rd party plugins. There don't appear to be any conflicts until I reach the Xcode stage, at which point I get a linker error claiming that the following symbols are duplicated:

 _kUnityDidFailToRegisterForRemoteNotificationsWithError
 _kUnityDidReceiveLocalNotification
 _kUnityDidReceiveRemoteNotification
 _kUnityDidRegisterForRemoteNotificationsWithDeviceToken
 _kUnityOnOpenURL

The two most relevant plugins are the Azure Mobile Engagement plugin and Google's VR SDK for Cardboard support. Weirdly enough, if I remove Google VR from the project, then the linker error disappears. I have no idea why GVR would be defining push notification-related symbols nor can I find any references to them in any of the available source code. I ultimately need both in the project when it's time to ship, but for the time being I'm at a loss. I've submitted an issue to the github repo for the Azure plugin, but I figure I'd post here as well in case anyone had a similar issue.

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Answer by JVC_Games · Apr 02, 2017 at 09:55 AM

Hi, I wonder if you solved this problem. I have similar issue with other 3rd party plugins I guess since everything is ok if I remove them from my project.

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