Logo Questions Linux Laravel Mysql Ubuntu Git Menu
 

64k limit exceeded on older APIs than lollipop, but not newer

So I am wondering why I encounter the 64k dex method limit when trying to run my app on android versions older than lollipop, when it runs just fine on the more recent versions.

Could it be, because the support libraries are actually being referenced when running on the older versions?

This is my gradle:

    apply plugin: 'com.android.application'

    android {
        compileSdkVersion 23
        buildToolsVersion '23.0.2'
    lintOptions {
        checkReleaseBuilds true
        // Or, if you prefer, you can continue to check for errors in release builds,
        // but continue the build even when errors are found:
        abortOnError false
    }

    defaultConfig {
        applicationId "com.domain.myapp"
        minSdkVersion 16
        targetSdkVersion 23
        versionCode 27
        versionName "1.2"

        // Vector compat
        vectorDrawables.useSupportLibrary = true 
    }

    buildTypes {
        release {
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_7
        targetCompatibility JavaVersion.VERSION_1_7
    }
}

dependencies {

    compile files('libs/commons-io-2.4.jar')
    compile files('libs/activation.jar')
    compile files('libs/additionnal.jar')
    compile files('libs/mail.jar')
    compile project(':libraries:preferencefragment')

    // Gmail API
    compile('com.google.api-client:google-api-client-android:1.20.0') {
        exclude group: 'org.apache.httpcomponents'
    }
    compile('com.google.apis:google-api-services-gmail:v1-rev29-1.20.0') {
        exclude group: 'org.apache.httpcomponents'
    }

    // Play Services
    compile 'com.google.android.gms:play-services-location:8.4.0'
    compile 'com.google.android.gms:play-services-maps:8.4.0'
    compile 'com.google.android.gms:play-services-ads:8.4.0'
    compile 'com.google.android.gms:play-services-analytics:8.4.0'
    compile 'com.google.android.gms:play-services-identity:8.4.0'

    // Support libraries
    compile 'com.android.support:support-v4:23.3.0'
    compile 'com.android.support:appcompat-v7:23.3.0'
    compile 'com.android.support:cardview-v7:23.3.0'
    compile 'com.android.support:design:23.3.0'

    compile 'com.github.bumptech.glide:glide:3.6.1'
    compile 'com.anjlab.android.iab.v3:library:1.0.20'
    compile 'com.sothree.slidinguppanel:library:2.0.3'
    compile 'com.commit451:PhotoView:1.2.5'

    compile('com.github.afollestad.material-dialogs:core:0.8.5.7@aar') {
        transitive = true
    }
}

EDIT:

To clarify: This happens when I try to run the app on an emulator running e.g. KitKat API 19

Crash logs from the gradle console:

...
:App:generateDebugInstantRunAppInfo
:App:transformClassesWithDexForDebug
AGPBI: {"kind":"error","text":"The number of method references in a .dex file cannot exceed 64K.\nLearn how to resolve this issue at https://developer.android.com/tools/building/multidex.html","sources":[{}],"original":"UNEXPECTED TOP-LEVEL EXCEPTION:\ncom.android.dex.DexIndexOverflowException: method ID not in [0, 0xffff]: 65536\n\tat com.android.dx.merge.DexMerger$6.updateIndex(DexMerger.java:484)\n\tat com.android.dx.merge.DexMerger$IdMerger.mergeSorted(DexMerger.java:261)\n\tat com.android.dx.merge.DexMerger.mergeMethodIds(DexMerger.java:473)\n\tat com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:161)\n\tat com.android.dx.merge.DexMerger.merge(DexMerger.java:188)\n\tat com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:504)\n\tat com.android.dx.command.dexer.Main.runMonoDex(Main.java:334)\n\tat com.android.dx.command.dexer.Main.run(Main.java:277)\n\tat com.android.dx.command.dexer.Main.main(Main.java:245)\n\tat com.android.dx.command.Main.main(Main.java:106)\n","tool":"Dex"}

 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':App:transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home/bin/java'' finished with non-zero exit value 2

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Crash message from the Message window:

:App:transformClassesWithDexForDebug
Error:The number of method references in a .dex file cannot exceed 64K.
Learn how to resolve this issue at https://developer.android.com/tools/building/multidex.html
Error:Execution failed for task ':App:transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home/bin/java'' finished with non-zero exit value 2
like image 209
Jakob Avatar asked Apr 11 '16 21:04

Jakob


People also ask

How do I disable multidex?

Show activity on this post. You can disable multidex only if your project doesn't exceed either 65k methods limitation or 65k fields limitation. People seems to be unaware about the 65k fields limitation. You can hit the fields limitation if you're using huge total of resources like drawable, string id, etc.

What is the maximum number of methods supported by Dex compiler?

The Dalvik Executable specification limits the total number of methods that can be referenced within a single DEX file to 65,536—including Android framework methods, library methods, and methods in your own code.

What is multidexEnabled true in Android?

Android applications by default have SingleDex support which limits your application to have only 65536 methods(references). So multidexEnabled = true simply means that now you can write more than 65536 methods(references) in your application.

What is the use of multidex in Android?

In Android, the compilers convert your source code into DEX files. This DEX file contains the compiled code used to run the app.


1 Answers

To answer your specific question is:

  • This method count limitation is on the DEX (Dalvik Executable) file.
  • A common workaround for this limitation is to have multiple DEX files.
  • Older versions of Android does not natively support multiple DEX files.
  • Starting from Lollipop the system supports it natively.

So that's why it fails on older devices but it works on newer devices. It has nothing to do with support libraries.

To add more useful content to the my answer:

But maybe what some might want to know is how to workaround it on older devices, please note that I used the word natively on my bullet points above. That means, that there're workarounds to make older platforms support it, but you have to code those workarounds into your app.

The workaround (and even the issue itself) is detailed explained on this Google guide: http://developer.android.com/tools/building/multidex.html

The base of it is:

  • add multidex to your dependencies compile 'com.android.support:multidex:+'
  • enable multiDex on your build script inside android->default config multiDexEnabled true
  • on the manifest make your application extends from MultidexApplication android:name="android.support.multidex.MultiDexApplication" or, if you need to sub-class Application for your own app, make your Application extends from it.
like image 134
Budius Avatar answered Oct 18 '22 12:10

Budius