I\'m having major troubles getting Google Maps working in production within an Android app. This is what I am currently getting (the bottom is just ads).
I was having these same issues, and was banging my head against the wall for a few days. I read all the posts about putting the correct key in place. I kept putting the correct key in my google_maps_api.xml file. StKent above mentioned to make sure to overwrite with the actual string in AndroidManifest.xml. This is what fixed it for me.
What I had when it didn't work: in AndroidManifest.xml:
and in google_maps_api.xml:
AIza_the actual key
What I changed to for it to work I changed my AndroidManifest.xml to include: