I kind of found a workaround for this issue . In the tick event whenever I get a Fatal Error I request for a Android Camera permission . This would start my AR session which could have been closed when I flip between applications . So I used the following BP
I could fix this issue in Blue Prints using the Request Camera permission node of Android . In the Tick event I check if I get a Fatal error I request Android camera permission
I was thinking of proposing this fix in class FGoogleARCoreDevice …What do you guys think