java.lang.NoClassDefFoundError: com.google.firebase.FirebaseOptions

Question

I was getting this weird error on my google developer console. So i used google Cloud Test Lab to See whats really happening. turns out my app is failing on almost all devic

Answer 1

You have to use the com.google.firebase:firebase-ads:9.0.2 AdMob on Android dependencies,

compile 'com.google.firebase:firebase-ads:9.0.2'

and remove your

play-services (com.google.android.gms: play-services:9.0.2)

It works for me!