How to Merge Dex - Android Studio 3.0

Unable to Merge Dex - Android Studio 3.0.1 DexArchiveMergerException

I have solved after try all the solutions on stackoverflow, try to do the following steps in its order

1. Replace all compile with implementation
2. Make all supportLibraryVersion = '27.0.2'
3. Change

'com.google.android.gms:play-services-maps:11.8.0'

to

'com.google.android.gms:play-services-maps:11.4.0'

4. Remove all the unused library
5. Delete the .gradle folder inside your project
6. Remove build folders and the gradle cache
7. file -> invalidate caches/restart
8. Build > Clean Project
9. Add

dependencies { implementation 'com.android.support:multidex:1.0.1'}

9. Add

android {
defaultConfig {
multiDexEnabled true
}
}

9. Async project

And finally this is my App file

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.example"
        minSdkVersion 18
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        multiDexEnabled true
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

}
ext {
    supportLibraryVersion = '27.0.2'

}
dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

    implementation 'com.android.support:support-v4:27.0.2'
    implementation 'com.android.support:appcompat-v7:27.0.2'
    implementation 'com.android.support:design:27.0.2'

//constraint
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'

//butterknife
    implementation  'com.jakewharton:butterknife:8.8.1'
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
//avi:library
    implementation  'com.wang.avi:library:2.1.3'

//circleimageview
    implementation 'de.hdodenhof:circleimageview:2.2.0'

//retrofit2
    implementation 'com.squareup.retrofit2:retrofit:2.3.0'
    implementation 'com.squareup.retrofit2:converter-gson:2.1.0'
    implementation 'com.squareup.okhttp3:okhttp:3.8.0'
    implementation 'com.jakewharton.retrofit:retrofit1-okhttp3-client:1.0.2'

//recyclerview and cardview
    implementation  'com.android.support:recyclerview-v7:27.0.2'
    implementation 'com.android.support:cardview-v7:27.0.2'

//ZXing for barCode reader
    implementation  'com.journeyapps:zxing-android-embedded:3.2.0@aar'
    implementation  'com.google.zxing:core:3.2.1'

//play-services
    implementation  'com.google.android.gms:play-services-maps:11.4.0'

//gson
    implementation  'com.google.code.gson:gson:2.8.2'
//statusbarutil
    implementation  'com.jaeger.statusbarutil:library:1.4.0'
//glide
    implementation 'com.github.bumptech.glide:glide:4.6.1'
    annotationProcessor 'com.github.bumptech.glide:compiler:4.6.1'
//multidex
    implementation 'com.android.support:multidex:1.0.1'
}

ِِActually I didn't understand the real reason about it and why that happened suddenly

So if anyone know that please tell me with full details

I hope this will help you

Unable to merge DEX in Android Studio 3.0.1 even after enabling multidex

This isn't a multidex problem...it's a dependency merge conflict issue.

By the looks of it one of your dependencies has a sub-dependency on CoordinatorLayout but has specified a different version from the one which you are using. You can fix this by using a resolutionStrategy in your build.gradle to define the version of the support library to use.

First make a variable to define your support library version:

ext {
    supportLibVersion = "26.1.0"
}

Then update your dependences to use this variable rather than the hard coded value (note the double quotes):

implementation "com.android.support:appcompat-v7:${supportLibVersion}"
implementation "com.android.support:design:${supportLibVersion}"

Then you can add a resolutionStrategy to your build.gradle:

configurations.all {
    resolutionStrategy.eachDependency { details ->
        def requested = details.requested
        if (requested.group == 'com.android.support') {
            if (!requested.name.startsWith("multidex")) {
                details.useVersion "${supportLibVersion}"
            }
        }
    }
}

What this does is ask Gradle to ignore the version number specified in with the dependency and use your version.

Unable to merge dex Android Studio 3.0

Use this

implementation 'com.firebaseui:firebase-ui-database:3.3.0'
implementation 'com.google.android.gms:play-services-auth:12.0.1'
implementation 'com.google.android.gms:play-services-maps:12.0.1'
implementation 'com.google.firebase:firebase-database:12.0.1'
implementation 'com.google.firebase:firebase-storage:12.0.1'
implementation 'com.google.firebase:firebase-auth:12.0.1'
implementation 'com.google.firebase:firebase-core:12.0.1'

Instead of this

implementation 'com.firebaseui:firebase-ui-database:3.2.1'
implementation 'com.google.android.gms:play-services-auth:12.0.0'
implementation 'com.google.android.gms:play-services-maps:12.0.0'
implementation 'com.google.firebase:firebase-database:12.0.0'
implementation 'com.google.firebase:firebase-storage:12.0.0'
implementation 'com.google.firebase:firebase-auth:12.0.0'
implementation 'com.google.firebase:firebase-core:12.0.0'

Unable to Merge Dex - Android Studio 3.0

Add an explicit dependency to play-services-auth along with your firebase-ui-auth dependency:

// FirebaseUI for Firebase Auth
    compile 'com.firebaseui:firebase-ui-auth:3.1.0'
    compile 'com.google.android.gms:play-services-auth:11.4.2'

This is because firebase-ui-auth has a transitive dependency to play-services-auth and must be used with the corresponding version of play-services-auth. Please see this explanation.

firebase-ui-auth
|--- com.google.firebase:firebase-auth
|--- com.google.android.gms:play-services-auth

Earlier versions of the Gradle build tool did not include transitive dependencies so now versions can conflict with other play-services versions.

My Issue Explained and Answered (In case anyone wants to know)

When you upgrade to Android Studio 3.0 and update the gradle build tool version to 3.0.0, compiling of dependencies is now done differently than in earlier versions.

I recently encountered the same issue. I was using these dependencies which worked fine through Gradle version 2.3.3:

implementation 'org.apache.httpcomponents:httpmime:4.3.6'
implementation 'org.apache.httpcomponents:httpclient-android:4.3.5.1'

After the upgrade to gradle-build-version 3.0.0, I got the same error. Digint into it, I found that the transitive dependency of httpmime conflicted with the file httpclient-android was including.

Description

Let me explain this in detail. Earlier, while using gradle-tool-version 2.3.3, I was using httpclient-android to fetch and use the class named org.apache.http.entity.ContentType.java
Expanding the transitive dependencies of org.apache.httpcomponents:httpmime:4.3.6 showed that it has org.apache.httpcomponents:httpcore:4.3.6 which is the same package I wanted to use. But while compiling or syncing the build, it was excluding org.apache.http.entity.ContentType.java so I needed to add this dependency which includes ContentType.java:

implementation 'org.apache.httpcomponents:httpclient-android:4.3.5.1'

Everything worked fine after that.

Once I upgraded the gradle-build-version to 3.0.0, things changed. It now included all transitive dependencies. So while compiling with the latest Android Studio with gradle-build-tool version 3.0.0, my ContentType.java was being compiled twice. Once from org.apache.httpcomponents:httpcore:4.3.6 (which is an implicit transitive dependency of httpmime) and again from org.apache.httpcomponents:httpclient-android:4.3.5.1 which I was using earlier.

To resolve this issue I had to remove the existing org.apache.httpcomponents:httpclient-android:4.3.5.1 dependency as httpmime would itself fetch the relevant class required for my application.

The solution for my situation: only use required dependencies and remove the httpclient-android

implementation 'org.apache.httpcomponents:httpmime:4.3.6'

Note that this is just the case for me. You'll need to dig into your own dependencies and apply the solution accordingly.

Unable to merge dex - android studio 3.0 update

I think some problem is with Your versions.

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
...
Maybe order in this is problem.
Try this. I hope it will work.

---

Related Topics