Ufdjrw

I just added right after the apply plugin: 'com.google.gms.google-services' at the bottom of my build.gradle :

apply plugin: 'com.google.gms.google-services'
// Work around
com.google.gms.googleservices.GoogleServicesPlugin.config.disableVersionCheck = true

Update project gradle play service dependency with latest release :

classpath 'com.google.gms:google-services:4.0.1'

and

Update project firebase products usage as per firebase latest release note

this shoud be on top if you use firebase libraries:

implementation "com.google.firebase:firebase-core:16.0.0"

In my case the issue was OneSignal, which somehow broke everything down.

They even have a dedicated library for this: https://github.com/OneSignal/OneSignal-Gradle-Plugin
and the actual issue was that OneSignal was inside my app-level gradle, instead of root one.

Freaking ridiculous!

My problem was that I was importing oneSignal gradle plugin but I do not import the full apply plugin: 'com.google.gms.google-services'.

To fix I just had to add the implementations I was using.

repositories 
 maven 
 url "https://maven.google.com"
 
 jcenter()

Try this one , place maven url on top inside repositories in build.gradle

Update build.gradle

buildscript 
 ...
 dependencies 
 classpath 'com.android.tools.build:gradle:3.1.2' //< update version 
 classpath 'com.google.gms:google-services:3.1.1' //< update version 
 

This would help you I guess

Update the build.gradle file from the project root folder. I've tried this and it was helping.

buildscript 
repositories 
 jcenter()
 maven 
 url 'https://maven.google.com/'
 name 'Google'
 
 google()

dependencies 

 // NOTE: Do not place your application dependencies here; they belong
 // in the individual module build.gradle files


allprojects 
repositories 
 google()
 ----

Make sure you added following line in bottom of app gradle

apply plugin: 'com.google.gms.google-services'

Make sure you are using compatible google-services in project level gradle

dependencies 
 classpath 'com.google.gms:google-services:4.0.1'
 

Check if you have added following dependency

implementation 'com.google.firebase:firebase-core:16.0.1'

I have answered a similar issue here. You need to keep versions of play services and firebase to latest one. Check here for links
https://stackoverflow.com/a/52696667/3333878

This worked for me.this shoud be on top if you use firebase libraries:

implementation "com.google.firebase:firebase-core:15.0.0"

For future users: Open build.gradle files and just hover your mouse on the dependencies and a tooltip gonna show up telling your the newest version and that should solve your problem.

Beware that Firebase Documentations does not have the newest versions.

Try to set

classpath 'com.google.gms:google-services:3.2.1'

instead of

classpath 'com.google.gms:google-services:3.3.0'

It's helped in my case, but I don't know the cause of the error.

Try to set

classpath 'com.google.gms:google-services:3.2.1'

instead of

classpath 'com.google.gms:google-services:4.0.1'

It's helped in my case, but I don't know the cause of the error.

Check Answer by Bhupendra Acharya from
https://groups.google.com/forum/#!topic/firebase-talk/XbGR-YrsTTA works for you. I got the following error
The library com.google.android.gms:play-services-basement is being requested by various other libraries at [[15.0.1,15.0.1]], but resolves to 16.0.1. Disable the plugin and check your dependencies tree using ./gradlew :app:dependencies.
While using

implementation 'com.google.firebase:firebase-core:16.0.1'

And resolved by updating the version

implementation 'com.google.firebase:firebase-core:16.0.4'

update classpath for com.google.firebase:firebase-core:16+

 classpath 'com.google.gms:google-services:4.2.0'