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

now google signed apk before publish on store,so go to google pushish app ---> app signning , and add signed key to google developer console,you shoud add 3 key sha1 : debug,release and new sha1 key after pushlish