I am adding a virtual button through prefab object on my custom marker. But when I export theiOS project, it crashes and this is the screen I see:
Due to this I am unable to add a custom virtual button to my project.
I have also tried adding a virtual button thru XML but it is not added because inside the start function, the number of virtual buttons is zero (only in case of XML). Here is the code used to calculate the number of virtual buttons