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I am trying to generate token in order to send the push notification for that i have added the following dependency in the gradle file.

implementation 'com.google.firebase:firebase-messaging:17.3.4'

but it is showing the following error message :

Failed to resolve: com.google.firebase:firebase-core:17.3.4

How to resolve that error?

OneCricketeer
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1 Answers1

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Try adding this implementation 'com.google.firebase:firebase-core:16.0.1' to your build.gradle.

And in your top level gradle file : classpath 'com.google.gms:google-services:4.0.2'

Maxime Dupierreux
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  • now it is showing the following error Please fix the version conflict either by updating the version of the google-services plugin (information about the latest version is available at https://bintray.com/android/android-tools/com.google.gms.google-services/) or updating the version of com.google.android.gms to 16.0.4. –  Nov 13 '18 at 16:03