- compile fileTree(dir: 'libs', include: ['*.jar'])
- compile 'com.android.support:design:23.4.0'
- // Only compile `com.google.android.gms:play-services-ads` for the free flavor.
- freeCompile 'com.google.android.gms:play-services-ads:9.4.0'
-}
+ implementation fileTree(include: ['*.jar'], dir: 'libs')
+ implementation 'com.android.support:design:28.0.0'
+
+ // Only compile Firebase ads for the free flavor.
+ freeImplementation 'com.google.firebase:firebase-ads:17.1.2'
+}
\ No newline at end of file