com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex - Android Studio 3.0 stable

Question

I made:

In "Settings"->"Android SDK"->"SDK Tools" Google Play services is checked and installed v.46
Removed folder /.gradle
"Clean Project"
"Rebuild Project

Error is:

Error:Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

Project build.gradle

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'

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

allprojects {
    repositories {
        jcenter()
        google()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

App build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    buildToolsVersion '26.0.2'
    defaultConfig {
        applicationId "com.asanquran.mnaum.quranasaanurdutarjuma"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 3
        versionName "1.3"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:26.+'


    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    compile 'com.google.android.gms:play-services-ads:11.4.2'
    compile 'com.github.barteksc:android-pdf-viewer:2.3.0'
    compile 'org.apache.commons:commons-io:1.3.2'
    compile 'com.google.firebase:firebase-ads:11.4.2'
    compile 'com.google.firebase:firebase-messaging:11.4.2'
    compile 'com.google.firebase:firebase-storage:11.4.2'
    apply plugin: 'com.google.gms.google-services'
    testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'

you didn't added multidex support in defaultConfig. Try adding this: defaultConfig { multiDexEnabled true } — Sudheesh R, Oct 27 '17 at 14:39
don't use apply plugin: 'com.google.gms.google-services' in your dependencies. see my edit for your question. — Sudheesh R, Oct 27 '17 at 14:45
Have you got the solution, because i am facing same issue in android studio 3.0 ? — Ninja, Oct 30 '17 at 09:17

score 38 · Answer 1 · answered Jun 16 '20 at 19:19

38

Go to <project>/app/ and open build.gradle file
Add the following line to the defaultConfig and dependencies sections

android {
  ...

  defaultConfig {
    ...
    multiDexEnabled true // ADD THIS LINE
  }
}

...

dependencies {
  ...
  implementation 'com.android.support:multidex:1.0.3'  // ADD THIS LINE
}

answered Jun 16 '20 at 19:19

Ilker Cat

1,862
23
17

6

only multiDexEnabled true was enough, thanx. – Kvlknctk Oct 15 '20 at 22:47
got the error for react-native-pdf. This solution works for me – Dami Dec 18 '20 at 06:40
thanks, I updated min sdk version and then encountered this error. Worked for me. Thanks again. – Pulkit Prajapat Jun 16 '21 at 12:29

score 21 · Answer 2 · answered Jun 28 '18 at 17:12

I know it's too late to update.I had same issue on my project.

Possible Reasons

If you have added module in your project and that module has support libraries or any google play services libs which has different version then your app.
If you are using any open source library in your project and that library internally using any of libraries that your are also using in your project.

Solutions

If it is case 1 in your project then update your library versions and make it same in your project and module.
Check your dependencies tree using below command and see if any mismatch in dependencies.
```
./gradlew :app:dependencies
```

You can exclude particular module from any dependencies like below.

implementation('com.google.android.ads.consent:consent-library:1.0.4') {
  transitive = true
  exclude group: "com.android.support"
}

In above example, It will exclude the com.android.support group from consent-library dependencies.

You can also remove particular module as well.

 compile ('junit:junit:4.12'){
  exclude group: 'org.hamcrest', module:'hamcrest-core'
  }

In above example it will exclude hamcrest-core from org.hamcrest.

Great! It was the reason #1. Thank you! – Mike Keskinov Sep 15 '18 at 02:54 — Mike Keskinov, Sep 15 '18 at 02:54

score 13 · Answer 3 · answered Nov 14 '17 at 21:00

13

I got the same problem, adding sourceCompatibility and targetCompatibility to my build.gradle helped me:

android {
    compileOptions {
        sourceCompatibility 1.8
        targetCompatibility 1.8
    }
}

answered Nov 14 '17 at 21:00

Philipp Cherubim

152
1
6

score 4 · Answer 4 · answered Nov 02 '17 at 18:25

I was having a fit with this, and none of the answers I found worked. Finally found a solution -- sharing it here although I can't tell you definitively how to find which is the offending dependency -- maybe you'll have to do some trial and error.

In my build.gradle (Module:app) I added this exclude clause:

    compile ('org.eclipse.paho:org.eclipse.paho.android.service:1.0.2')
        { exclude module: 'support-v4' }

score 3 · Answer 5 · edited Jan 18 '18 at 05:38

3

I did exact as the hint in the image except changed 11.0.4 to 11.8.0

compile 'com.google.android.gms:play-services-base:11.8.0'
compile 'com.google.android.gms:play-services:11.8.0'

Unable to merge dex

edited Jan 18 '18 at 05:38

clemens

16,716
11
50
65

answered Jan 18 '18 at 05:18

mohammed alshaarawi

29
3

score 3 · Answer 6 · answered Jan 16 '21 at 17:04

3

When the same issue appeared, my build.gradle already had the following was already there:

android {
  ...

  defaultConfig {
   ...
  multiDexEnabled true 
   }
}

...

dependencies {
...
implementation 'com.android.support:multidex:1.0.3'  
}

I cleaned the project, and then run build again, and the issue was gone.

answered Jan 16 '21 at 17:04

Fahima Mokhtari

1,691
2
16
30

May I ask how you cleaned it? – helloworld331 Nov 28 '22 at 23:49
From android studio, in the menu, I guess under build, you find "clean". @helloworld331 – Fahima Mokhtari Nov 29 '22 at 07:29
Thanks @fahima, I think I found a way with cli which is in `android` folder `./gradlew clean`. But I appreciate your comment letting me know another way :) – helloworld331 Nov 29 '22 at 16:43

score 2 · Accepted Answer · answered Nov 23 '19 at 05:53

2

I think it was due to Android Studio's latest version (at that time). I tried it after a long time then the issue gone.

answered Nov 23 '19 at 05:53

Nauman Shafique

433
1
6
15

score 2 · Answer 8 · answered Jun 27 '20 at 15:41

while creating Flutter Project, I encountered this issue. What I did is, opened MyProject/android/app/build.gradle file and added multiDexEnabled true inside defaultConfig tag as given below:

defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "Your Application ID Here"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        multiDexEnabled true
    }

score 0 · Answer 9 · answered Feb 28 '18 at 12:56

0

in my case i change all com.android.support: libraries to 27.1.0 and it works

answered Feb 28 '18 at 12:56

Marriage

501
3
15

com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex - Android Studio 3.0 stable

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