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

app.gradle

dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:support-v4:21.0.3'
compile 'com.android.support:appcompat-v7:21.0.3'
compile 'com.android.support:recyclerview-v7:21.0.0'
compile 'com.android.support:cardview-v7:21.0.0'
compile 'com.google.android.gms:play-services:7.0.+'
compile 'com.android.support:mediarouter-v7:21.0.3'
compile 'com.squareup:otto:1.3.5'
compile 'com.squareup.picasso:picasso:2.3.4'
compile 'com.squareup.okhttp:okhttp:2.2.0'
compile 'com.squareup.okhttp:okhttp-urlconnection:2.2.0'
compile 'com.squareup.retrofit:retrofit:1.9.0'
compile 'com.github.ksoichiro:android-observablescrollview:1.4.0'
compile 'com.astuetz:pagerslidingtabstrip:1.0.1'
compile 'com.facebook.android:facebook-android-sdk:4.1.0'
compile 'com.parse.bolts:bolts-android:1.+'
compile 'com.edmodo:rangebar:1.0.0'
compile 'com.melnykov:floatingactionbutton:1.3.0'
compile project(':library_viewpager')
compile project(':androidHorizontalListView')
compile project(':CastCompanionLibrary')
compile project(':mobihelp_sdk_android_v1.4')
compile fileTree(include: 'Parse-*.jar', dir: 'libs')
compile files('libs/Parse-1.9.2.jar')
compile files('libs/GoogleConversionTrackingSdk-2.2.2.jar')
}

CastCompanionLibrary

dependencies {
compile 'com.android.support:appcompat-v7:22.+'
compile 'com.android.support:mediarouter-v7:22.+'
compile 'com.google.android.gms:play-services-cast:7.5.0'
}

How do i fix this? i guess the error occurs because i use google play services in both the module and the app. but the versions are different. is that causing an issue?

Answer 1

I had similar problem and your question helped me solve mine and probably will help you solve yours. Problem is that you have defined:

dependencies {
...
  compile 'com.google.android.gms:play-services-cast:7.5.0'
}

and

dependencies {
...
  compile 'com.google.android.gms:play-services:7.0.+'
...
}

Since google services 7.5.0, if you're using single modules from play services you can't use whole play services as dependency simultaneously. Solution is to select only those services that you need instead of whole package e.g.:

instead of

dependencies {
...
  compile 'com.google.android.gms:play-services:7.0.+'
...
}

use

dependencies {
...
  compile 'com.google.android.gms:play-services-maps:7.0.+'
  compile 'com.google.android.gms:play-services-location:7.0.+'
  compile 'com.google.android.gms:play-services-gcm:7.0.+'
...
}

Also I'm not sure but probably it would be good idea to use the same version of google services in both gradle configs.