I want to use google map in my xamarin android app but in runtime ** i receive null reference error**
I do all the steps exactly like what I see in (Xamarin Android Tutorial 40 Google Maps in youtube) and some how like this(https://developer.xamarin.com/guides/android/platform_features/maps_and_location/maps/part_2_-_maps_api/)
main.axml is like bellow
and main.activity Is like this:
i forgot to mention that .I had installed google play to my emulator too
I searched a lot , but none of them can help me.
I wonder if you help me to solve my problem thanks in advanced