Android Gradle DexException:多个 dex 文件定义了 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 文件定义了 Lorg/hamcrest/Description

在我的应用程序上尝试通过 Android Studio 或通过 Gradle 命令行进行调试构建/测试时发生.

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

发布构建(无测试)运行良好，但一旦包含测试(hamcrest 是一个测试库)，构建就会失败并出现上述错误.

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.

我已经检查了我的模块依赖项，没有重复的要求 gradle -q dependencies 证实.

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

项目 settings.gradle

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

<小时>

项目 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()
    }
}

<小时>

[库模块] 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+'
}

<小时>

[主模块] 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:+'
}

推荐答案

Robolectric 2.3 依赖于 JUnit 4.8.1(显式版本).您正在导入 JUnit 4.10(版本明确).Hamcrest 可能只是 dex 令人窒息的许多重复项中的第一个 - 尝试将您的 JUnit 要求版本更改为 4.8+(或从 Robolectric 依赖项中排除 JUnit).

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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