Error With Firebase Callable Functions

I am trying to set up callable Firebase cloud functions in my Android app. To do that, per this tutorial, I need to use the following code to initialize the SDK: FirebaseFunctions

Solution 1:

I solved this by changing

'com.google.gms:google-services:3.0.0'

to

'com.google.gms:google-services:3.1.0'

in my project level build.gradle.