- i changed dependency at gradle.build - Project as follows : dependencies { classpath 'com.android.tools.build:gradle:3.0.0' classpath 'com.google.gms:google-services:3.1.0' }
I changed dependency at gradle.build - Project as follows :
dependencies { classpath 'com.android.tools.build:gradle:3.0.0' classpath 'com.google.gms:google-services:3.1.0' }