Release APK file not showing google maps

Question

I applied the exact steps as mentioned in the google developer doc to create an example google map project and everything went fine on the emulator, but when I generated the

Answer 1

It might be silly but I had my API key included in

app\src\debug\res\values\google_maps_api.xml (debug)

You also need to include in-

app\src\release\res\values\google_maps_api.xml (release)

Answer 2

Another additional step: In google play developer console add App Signing SHA1 fingerprint: