com.android.builder.dexing.DexArchiveMergerException：无法在运行时合并dexexception

错误：任务’：app：transformDexArchiveWithExternalLibsDexMergerForDevDebug’的执行失败。

java.lang.RuntimeException：com.android.builder.dexing.DexArchiveMergerException：无法合并dex

的build.gradle

apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-kapt' android { compileSdkVersion 27 buildToolsVersion project.buildToolVersion dataBinding { enabled = true } productFlavors { dev { applicationIdSuffix ".dev" buildConfigField 'String', 'HOST', '"https://raconfiguratorqa.symx.com"' resValue 'string', 'google_maps_key', "AIzaSyDqXirXTahZHrKeSW62kmY3236S1Cqu4c4" } production { buildConfigField 'String', 'HOST', '"https://raconfiguratorqa.symx.com"' resValue 'string', 'google_maps_key', "AIzaSyDqXirXTahZHrKeSW62kmY3236S1Cqu4c4" } } signingConfigs { config { keyAlias 'contsynckey' keyPassword 'techjinikd' storeFile file('../KeyStore/contsynckey.jks') storePassword 'techjinikd' } } defaultConfig { applicationId "com.kdcos.contsync" minSdkVersion project.minSDKVersion targetSdkVersion project.targetSDKVersion versionCode 1 versionName "1.0" vectorDrawables.useSupportLibrary = true testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" flavorDimensions "versionCode" // This we had to put for Android Studio 3.0 multiDexEnabled true } } dependencies { implementation 'com.android.support.constraint:constraint-layout:1.0.2' implementation "com.google.firebase:firebase-crash:$project.firebaseVersion" compile fileTree(include: ['*.jar'], dir: 'libs') compile fileTree(include: ['*.jar'], dir: 'libs') androidTestCompile("com.android.support.test.espresso:espresso-core:$project.espressoCoreVersion", { exclude group: 'com.android.support', module: 'support-annotations' }) //support libraries compile "com.android.support:appcompat-v7:$project.supportLibraryVersion" compile "com.android.support:design:$project.supportLibraryVersion" compile "com.android.support:support-v4:$project.supportLibraryVersion" compile "com.android.support.constraint:constraint-layout:$project.constraintLayoutVersion" compile "com.android.support:cardview-v7:$project.supportLibraryVersion" // for generateQrCode 3.2.1 compile "com.google.zxing:core:$project.qrCodeVersion" } repositories { mavenCentral() } apply plugin: 'kotlin-android-extensions' apply plugin: 'com.google.gms.google-services' 

bildgradle申请

 buildscript { ext.kotlin_version = '1.2.0' ext.android_plugin_version='3.0.0-alpha5' ext.couchbase_version='1.4.1' repositories { jcenter() google() google() } dependencies { classpath 'com.android.tools.build:gradle:3.0.1' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files classpath 'com.google.gms:google-services:3.0.0' } } project.ext { supportLibraryVersion = '27.0.2' buildToolVersion = '26.0.2' playServicesVersion = '11.6.2' firebaseVersion = '11.6.2' retrofitVersion = '2.3.0' compileSDKVersion = 26 targetSDKVersion = 26 minSDKVersion = 18 gsonVersion=2.7 rxAndroidVersion='2.0.1' rxJavaVersion='2.0.2' constraintLayoutVersion='1.0.2' junitVersion='4.12' espressoCoreVersion='2.2.2' lifecycleVersion='1.0.0-rc1' ottoVersion='1.3.8' daggerVersion='2.12' glideVersion = '4.2.0' archRoomVersion = "1.0.0" loggingVersion='3.8.0' qrCodeVersion='3.2.1' } allprojects { repositories { jcenter() maven { url 'https://maven.google.com' } google() } } task clean(type: Delete) { delete rootProject.buildDir } 

请看看我的build.gradle文件我总是越来越清洁和建立在运行时间给予例外，甚至我已经重新启动android工作室，重新启​​动android系统，然后重新打开，然后尝试运行的应用程序，然后我也越来越相同的exception，请建议我是什么我做错了

Answer 1

当我得到这个错误，我做了以下。

1. 从我的手机/模拟器卸载版本并重新安装
2. 如果这不起作用，通常是gradle依赖关系的一个问题。 你可能有不一致的版本，例如play-services:11.6.2 and firebase:11.6.1 （这些只是例子） 。 如果有警告，请检查您的build.gradle文件