Android Gradle DexException：多个dex文件定义Lorg / hamcrest / Description [英] Android Gradle DexException: Multiple dex files define Lorg/hamcrest/Description

问题描述

com.android.dex.DexException：多个dex文件定义Lorg / hamcrest / Description

在尝试执行调试版本时发生/在我的应用程序中通过 Android Studio 或通过 Gradle 命令行进行测试。 发布版本测试）工作正常，但只要包含测试（ hamcrest 是一个测试库），构建将失败并出现上述错误。

我检查了我的模块依赖关系，并且没有重复的需求，证明了这一点。

---

项目settings.gradle

<$ p $ b $ include'：[library module]'
include'：[main module]'


---

Project build.gradle

  buildscript {
 repositories {
 mavenCentral（）
} 
依赖关系{
 classpath'com.android.tools.build ：gradle：0.9。+'
 classpath'org.robolectric.gradle：gradle-android-test-plugin：0.9。+'
} 
} 
 
所有项目{
 repositories {
 mavenCentral（）
} 
} 
  

[library module] build.gradle
$ b

  apply plugin：'android-library'
 
 android {
 compileSdkVersion 19 
 buildToolsVersion19.0.0
 
 defaultConfig {
 minSdkVersion 14 
 targetSdkVersion 19 
} 
 
 packagingOptions {
排除'META-INF / LICENSE.txt'
排除'META-INF / NOTICE.txt'
} 
} 
 
 dependencies {
 compile'c​​om.google.zxing：core：3.0。+'
 compile'c​​om.bugsnag：bugsnag-android：2.1.1+'
} 
  

---

[main module] build.gradle

  apply plugin：'android'
 
 android {
 signingConfigs {
 release {
 [...] 
} 
} 
 
 sourceSets {
 main {
 manifest .srcFile'src / main / AndroidManifest.xml'
 res.srcDirs = ['src / main / res'] 
} 
 androidTest {'b $ setRoot（'src / test' ）
} 
 instrumentTest {
} 
} 
 
 compileSdkVersion 19 
 buildToolsVersion '19 .0.0'
 
 defaultConfig {
 minSdkVersion 14 
 targetSdkVersion 19 
 testPackageName[main.packageName] .tests
} 
 
 buildTypes {
 release {
 runProguard false 
 proguardFiles getDefaultProguardFile（'proguard-android.txt'），'proguard-rules.txt'
} 
} 
 
 packagingOptions {
'META- INF / LICENSE.txt'
'META-INF / NOTICE.txt'
} 
} 
 
应用插件：'android-test'
 
 
 
 androidTest {
 //为JUnit测试配置类集
 include'** / * Test.class'
 
 //配置测试JVM的最大堆大小
 maxHeapSize =2048m
} 
 
存储库{
 maven {url'https：//repo.comm onsware.com.s3.amazonaws.com'} 
 maven {url'https://oss.sonatype.org/content/repositories/snapshots/'} 
} 
 
依赖关系{
 androidTestCompile'junit：junit：4.10'
 androidTestCompile'org.robolectric：robolectric：2.3-SNAPSHOT'
 androidTestCompile'c​​om.squareup：fest-android：1.0。+'
 compile project（'：[library module]'）
 compile'c​​om.github.gabrielemariotti.changeloglib：library：1.4。+'
 compile'c​​om.google.code.gson：gson：2.2 。''
 compile'c​​om.google.android.gms：play-services：+'
 compile'c​​om.android.support:appcompat-v7:+'
 compile（'de。 keyboardsurfer.android.widget：crouton：1.8。+'）{
 exclude group：'com.google.android'，module：'support-v4'
} 
编译文件（'libs /CWAC-LoaderEx.jar'）
 compile'c​​om.squareup.okhttp：okhttp：1.5。+'
 compile'c​​om.octo.android.robospice：robospice：1.4.11'
 COM堆'com.octo.android.robospice：robospice-cache：1.4.11'
 compile'c​​om.octo.android.robospice：robospice-retrofit：1.4.11'
 compile'c​​om.commonsware。 cwac：security：0.1。+'
 compile'c​​om.readystatesoftware.sqliteasset：sqliteassethelper：+'
} 
  

$ b $ Robolectric 2.3取决于JUnit 4.8.1（版本显式）。您正在导入JUnit 4.10（版本显式）。 Hamcrest可能仅仅是dex令人窒息的许多重复内容中的第一个 - 尝试将您的JUnit需求版本更改为4.8+（或将Robolectric依赖项中的JUnit排除在外）。

com.android.dex.DexException: Multiple dex files define Lorg/hamcrest/Description

occurring while trying to do a debug build/test either via Android Studio or via Gradle command-line on my application.

The release build (without tests) works fine but as soon as testing is included (hamcrest being a testing library), the build fails with the above error.

I've checked my module dependencies and there's no duplicate requirements which gradle -q dependencies corroborates.

---

Project settings.gradle

include ':[library module]'
include ':[main module]'

---

Project build.gradle

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.9.+'
        classpath 'org.robolectric.gradle:gradle-android-test-plugin:0.9.+'
    }
}

allprojects {
    repositories {
        mavenCentral()
    }
}

---

[library module] build.gradle

apply plugin: 'android-library'

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 19
    }

    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
    }
}

dependencies {
    compile 'com.google.zxing:core:3.0.+'
    compile 'com.bugsnag:bugsnag-android:2.1.1+'
}

---

[main module] build.gradle

apply plugin: 'android'

android {
    signingConfigs {
    release {
        [...]
    }
}

    sourceSets {
        main {
            manifest.srcFile 'src/main/AndroidManifest.xml'
            res.srcDirs = ['src/main/res']
        }
        androidTest {
            setRoot('src/test')
        }
        instrumentTest {
        }
    }

    compileSdkVersion 19
    buildToolsVersion '19.0.0'

    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 19
        testPackageName "[main.packageName].tests"
    }

    buildTypes {
        release {
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    }

    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
    }
}

apply plugin: 'android-test'



androidTest {
    // configure the set of classes for JUnit tests
    include '**/*Test.class'

    // configure max heap size of the test JVM
    maxHeapSize = "2048m"
}

repositories {
    maven { url 'https://repo.commonsware.com.s3.amazonaws.com' }
    maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
}

dependencies {
    androidTestCompile 'junit:junit:4.10'
    androidTestCompile 'org.robolectric:robolectric:2.3-SNAPSHOT'
    androidTestCompile 'com.squareup:fest-android:1.0.+'
    compile project(':[library module]')
    compile 'com.github.gabrielemariotti.changeloglib:library:1.4.+'
    compile 'com.google.code.gson:gson:2.2.4'
    compile 'com.google.android.gms:play-services:+'
    compile 'com.android.support:appcompat-v7:+'
    compile ('de.keyboardsurfer.android.widget:crouton:1.8.+') {
        exclude group: 'com.google.android', module: 'support-v4'
    }
    compile files('libs/CWAC-LoaderEx.jar')
    compile 'com.squareup.okhttp:okhttp:1.5.+'
    compile 'com.octo.android.robospice:robospice:1.4.11'
    compile 'com.octo.android.robospice:robospice-cache:1.4.11'
    compile 'com.octo.android.robospice:robospice-retrofit:1.4.11'
    compile 'com.commonsware.cwac:security:0.1.+'
    compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:+'
}

解决方案

Robolectric 2.3 depends on JUnit 4.8.1 (version explicit). You're importing JUnit 4.10 (version explicit). Hamcrest is probably simply the first of many duplicates that dex is choking on - try changing your JUnit requirement version to 4.8+ (or excluding JUnit from the Robolectric dependency).

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