无法合并 dex multiDexEnabled true 也不起作用

Unable to merge dex multiDexEnabled true also not work

请帮帮我

Error:Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'. java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

我尝试清理并重建项目,但它仍然 我删除了 .gradle 文件夹但没有任何反应

这是我的build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.ekaldroid.chat"
        minSdkVersion 16
        targetSdkVersion 27
        versionCode 1
        versionName "0.7.1"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true
    }

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

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:support-v4:27.1.0'
    implementation 'com.android.support:support-vector-drawable:27.1.0'
    implementation 'com.android.support:design:27.1.0'
    implementation 'com.android.support:recyclerview-v7:27.1.0'

    //Firebase & Google
    implementation 'com.google.android.gms:play-services-auth:11.8.0'
    implementation 'com.google.android.gms:play-services-ads:11.8.0'
    implementation 'com.google.firebase:firebase-appindexing:11.8.0'
    implementation 'com.google.firebase:firebase-ads:11.8.0'
    implementation 'com.google.firebase:firebase-storage:11.8.0'
    implementation 'com.google.firebase:firebase-config:11.8.0'
    implementation 'com.google.firebase:firebase-messaging:11.8.0'
    implementation 'com.google.firebase:firebase-core:11.8.0'
    implementation 'com.google.firebase:firebase-auth:11.8.0'
    implementation 'com.google.firebase:firebase-database:11.8.0'
    implementation 'com.firebaseui:firebase-ui-database:3.1.0'

    //test
    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'
}


apply plugin: 'com.google.gms.google-services'

我试试

multiDexEnabled true

但不再工作了

这里有完整的源代码https://github.com/ElclarkKuhu/EDchat

试试这个

implementation 'com.google.android.gms:play-services-auth:11.4.2'
implementation 'com.google.android.gms:play-services-ads:11.4.2'
implementation 'com.google.firebase:firebase-appindexing:11.4.2'
implementation 'com.google.firebase:firebase-ads:11.4.2'
implementation 'com.google.firebase:firebase-storage:11.4.2'
implementation 'com.google.firebase:firebase-config:11.4.2'
implementation 'com.google.firebase:firebase-messaging:11.4.2'
implementation 'com.google.firebase:firebase-core:11.4.2'
implementation 'com.google.firebase:firebase-auth:11.4.2'
implementation 'com.google.firebase:firebase-database:11.4.2'
implementation 'com.firebaseui:firebase-ui-database:3.1.0'

或这个

implementation 'com.google.android.gms:play-services-auth:11.8.0'
implementation 'com.google.android.gms:play-services-ads:11.8.0'
implementation 'com.google.firebase:firebase-appindexing:11.8.0'
implementation 'com.google.firebase:firebase-ads:11.8.0'
implementation 'com.google.firebase:firebase-storage:11.8.0'
implementation 'com.google.firebase:firebase-config:11.8.0'
implementation 'com.google.firebase:firebase-messaging:11.8.0'
implementation 'com.google.firebase:firebase-core:11.8.0'
implementation 'com.google.firebase:firebase-auth:11.8.0'
implementation 'com.google.firebase:firebase-database:11.8.0'
implementation 'com.firebaseui:firebase-ui-database:3.2.2'

FirebaseUI 的每个版本都依赖于这些库的固定版本,

FirebaseUI Version  Firebase/Play Services Version
3.2.2               11.8.0
3.1.3               11.8.0
3.1.2               11.6.2
3.1.0               11.4.2
3.0.0               11.4.2
2.4.0               11.4.0
2.3.0               11.0.4
2.2.0               11.0.4
2.1.1               11.0.2
2.0.1               11.0.1
1.2.0               10.2.0
1.1.1               10.0.0 or 10.0.1
1.0.1               10.0.0 or 10.0.1
1.0.0               9.8.0

了解更多信息FirebaseUI-Android