https://discussions.unity.com/t/trouble-with-firebase-and-subclass-of-unityappcontroller-ios/180086
Trouble with firebase and subclass of UnityAppController iOS - Questions & Answers - Unity...
Jan 9, 2017 - Hi guys. I have a trouble with firebase sdk for Unity. It works fine. But If I will add my custom subclass of UnityAppController I will have runtime issue....
subclass ofquestions answerstroublefirebase