Google Map Api v2 shows “V/GoogleSignatureVerifier : signature not valid” error message in log

Question

I am developing an Android application using google map api v2 to show a Map in a Fragment. When I run the application, I always got this error message poppin i

Answer 1

Add this in project level gradle file:

classpath 'com.google.gms:google-services:2.1.0'

and this one for module level gradle file:

compile 'com.google.android.gms:play-services:8.4.0'

and move below plugin at the end of file (at last line) of module level gradle file:

apply plugin: 'com.google.gms.google-services'