I think there is a global issue with any flutterflow's custom google map widget.
I have contacted many developers and still they haven't found any explanation to whats happening.
When trying to use a Google map custom widget it appears a Gray screen, although pulling the data is working fine so as the code dependencies everything is placed rightly.
You can try it yourself, try downloading an apk of your app that has a custom google map widget and you will see its not working.
But the most confusing part is that the same map that work perfectly fine 4 weeks ago, when trying downloading apk it show a gray screen. Legit without touching or updating anything on the project.
Thank you a lot :)