Multiple dex files define Lcom/google/android/gms/internal/zzau

Question

I get the error com.android.dex.DexException: Multiple dex files define Lcom/google/android/gms/internal/zzau; when i run my app The gradle files are

ap

Answer 1

Firebase Android SDKs now have independent version numbers, allowing for more frequent, flexible updates.

Update all your Firebase dependencies to the latest version (as of 2 May 2018):

 Firebase Core          com.google.firebase:firebase-core:15.0.2
    Ads                 com.google.firebase:firebase-ads:15.0.0
  Analytics             com.google.firebase:firebase-analytics:15.0.2
 App Indexing           com.google.firebase:firebase-appindexing:15.0.0
 Authentication         com.google.firebase:firebase-auth:15.1.0
Cloud Firestore         com.google.firebase:firebase-firestore:16.0.0
Cloud Functions         com.google.firebase:firebase-functions:15.0.0
Cloud Messaging         com.google.firebase:firebase-messaging:15.0.2
Cloud Storage           com.google.firebase:firebase-storage:15.0.2
Crash Reporting         com.google.firebase:firebase-crash:15.0.2
Crashlytics             com.crashlytics.sdk.android:crashlytics:2.9.1
Invites                 com.google.firebase:firebase-invites:15.0.2
Performance Monitoring  com.google.firebase:firebase-perf:15.1.0
Realtime Database       com.google.firebase:firebase-database:15.0.0
Remote Config           com.google.firebase:firebase-config:15.0.2

Release note: https://firebase.google.com/support/release-notes/android