-// Google's documentation says the following line is required for `firebase-ads` but things work correctly without it. I have no interest in applying the Google Mobile Services plugin in the standard flavor if I don't have to.
-// I suspect that in the free flavor `firebase-ads` applies it even when not specified. <https://firebase.google.com/docs/admob/android/quick-start>.
-// apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
+ // Include the following AndroidX libraries.
+ implementation 'androidx.arch.core:core-common:2.0.0'
+ implementation 'androidx.arch.core:core-runtime:2.0.0'
+ implementation 'androidx.appcompat:appcompat:1.0.2'
+ implementation 'androidx.cardview:cardview:1.0.0'
+ implementation 'androidx.coordinatorlayout:coordinatorlayout:1.0.0'
+ implementation 'androidx.drawerlayout:drawerlayout:1.0.0'
+ implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.0.0'
+ implementation 'androidx.viewpager:viewpager:1.0.0'
+
+ // Include the Google material library.
+ implementation 'com.google.android.material:material:1.0.0'
+
+ // Only compile Firebase ads for the free flavor.
+ freeImplementation 'com.google.firebase:firebase-ads:17.1.3'
+}
\ No newline at end of file