After upgrading to google play services 8.4.0 my app crashes on startup

Question

I\'ve been previously using google play services 8.3.0 without any issue. I\'m looking to upgrade to google play services 8.4.0. I\'m using the following play libraries:

Answer 1

compile 'com.google.android.gms:play-services:+' compile 'com.google.firebase:firebase-core:+'

What works for me