添加 Firestore 时出现重复类

Question

最近将 Firebase-Firestore 添加到我的 android 项目中，并在构建时开始获取对 protobuf 中的类的重复引用。

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build.gradle

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// Top-level build file where you can add configuration options common to all\n// sub-projects/modules.\n\nbuildscript {\n\n    ext.protobufVersion = \'0.8.6\'\n\n    repositories {\n        google()\n        jcenter()\n        maven { url \'https://maven.fabric.io/public\' }\n        maven { url "https://jcenter.bintray.com" }\n        maven { url "https://jitpack.io" }\n    }\n    dependencies {\n        classpath \'com.android.tools.build:gradle:3.5.3\'\n        classpath \'io.fabric.tools:gradle:1.31.2\'\n        classpath \'com.google.gms:google-services:4.3.3\'\n        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.41"\n        classpath \'com.akaita.android:easylauncher:1.3.1\'\n        classpath "com.google.protobuf:protobuf-gradle-plugin:$protobufVersion"\n    }\n}\n\napply plugin: \'com.android.application\'\napply plugin: \'io.fabric\'\napply plugin: \'com.google.gms.google-services\'\napply plugin: \'kotlin-android\'\napply plugin: \'kotlin-kapt\'\napply plugin: \'com.akaita.android.easylauncher\'\napply plugin: \'com.google.protobuf\'\n\nrepositories {\n    google()\n    jcenter()\n    mavenCentral()\n    maven { url \'https://jitpack.io\' }\n    maven { url \'https://maven.fabric.io/public\' }\n}\n\nconfigurations {\n    playstoreImplementation\n    compatImplementation\n    freeCompatImplementation\n    stagingCompatImplementation\n}\n\next {\n    supportLibVersion = \'28.0.0\'\n}\n\ndependencies {\n    implementation \'androidx.constraintlayout:constraintlayout:2.0.0-beta2\'\n    /*playstoreImplementation(\'com.google.firebase:firebase-messaging:15.0.2\') {\n            exclude group: \'com.google.firebase\', module: \'firebase-core\'\n        }*/\n    compatImplementation \'androidx.emoji:emoji-appcompat:1.0.0\'\n    freeCompatImplementation \'androidx.emoji:emoji-bundled:1.0.0\'\n    stagingCompatImplementation \'androidx.emoji:emoji-bundled:1.0.0\'\n    implementation \'androidx.legacy:legacy-support-v4:1.0.0\'\n    implementation \'org.sufficientlysecure:openpgp-api:10.0\'\n    implementation \'com.github.inputmice:Android-Image-Cropper:2.7.2\'\n    implementation \'androidx.legacy:legacy-support-v13:1.0.0\'\n    implementation \'androidx.appcompat:appcompat:1.1.0-rc01\'\n    implementation \'androidx.cardview:cardview:1.0.0\'\n    implementation \'androidx.legacy:legacy-support-v4:1.0.0\'\n    implementation \'androidx.emoji:emoji:1.0.0\'\n    implementation \'com.google.android.material:material:1.1.0-alpha07\'\n    implementation \'org.bouncycastle:bcmail-jdk15on:1.58\'\n    implementation \'org.whispersystems:signal-protocol-java:2.6.2\'\n    implementation \'org.conscrypt:conscrypt-android:1.3.0\'\n\n    implementation \'rocks.xmpp:xmpp-addr:0.8.0\'\n    implementation \'org.osmdroid:osmdroid-android:6.0.1\'\n    implementation \'de.measite.minidns:minidns-hla:0.2.4\'\n    implementation \'me.leolin:ShortcutBadger:1.1.22@aar\'\n    implementation \'com.makeramen:roundedimageview:2.3.0\'\n    implementation \'com.wefika:flowlayout:0.4.1\'\n    implementation \'net.ypresto.androidtranscoder:android-transcoder:0.2.0\'\n\n    implementation \'org.hsluv:hsluv:0.2\'\n    //Butterknife dependency\n    implementation \'com.jakewharton:butterknife:10.2.0\'\n    kapt \'com.jakewharton:butterknife-compiler:10.2.0\'\n    //Network Retrofit and okhttp\n    implementation(\'com.squareup.retrofit2:retrofit:2.1.0\') {\n        // exclude Retrofit\xe2\x80\x99s OkHttp dependency module and define your own module import\n        exclude module: \'okhttp\'\n    }\n    implementation \'com.google.code.gson:gson:2.8.5\'\n    implementation \'com.squareup.retrofit2:converter-gson:2.4.0\'\n    implementation \'com.squareup.okhttp3:logging-interceptor:3.9.0\'\n    implementation \'com.squareup.okhttp3:okhttp:3.10.0\'\n    implementation \'androidx.multidex:multidex:2.0.1\'\n    implementation \'com.hbb20:ccp:2.2.3\'\n    implementation \'com.crashlytics.sdk.android:crashlytics:2.10.1\'\n    implementation \'com.crashlytics.sdk.android:answers:1.4.7\'\n    implementation \'com.google.firebase:firebase-core:17.2.1\'\n    implementation \'com.google.firebase:firebase-messaging:20.1.0\'\n    implementation \'com.google.firebase:firebase-config:19.1.0\'\n    implementation \'com.google.firebase:firebase-dynamic-links:19.0.0\'\n    implementation \'com.google.firebase:firebase-database:19.2.0\'\n    implementation \'com.google.firebase:firebase-firestore:21.3.1\'\n    implementation \'com.wdullaer:swipeactionadapter:2.0.0\'\n    implementation \'com.wdullaer:materialdatetimepicker:3.2.0\'\n    implementation \'io.michaelrocks:libphonenumber-android:8.10.1\'\n    implementation \'com.google.code.gson:gson:2.8.5\'\n    implementation \'ch.halcyon:squareprogressbar:1.6.4\'\n    implementation \'com.github.zawadz88:material-activity-chooser:0.2.2\'\n    implementation \'com.urbanairship.android:urbanairship-fcm:11.0.1\'\n    implementation \'commons-codec:commons-codec:1.12\'\n    implementation \'com.github.kal72:RackMonthPicker:1.6.0\'\n    implementation "android.arch.work:work-runtime:1.0.0-alpha11"\n    implementation \'org.apache.commons:commons-lang3:3.9\'\n    implementation \'org.greenrobot:eventbus:3.1.1\'\n    implementation \'com.google.android.play:core:1.6.4\'\n    implementation \'com.google.protobuf:protobuf-lite:3.0.1\'\n\n\n    //What\'s new library\n    implementation(\'io.github.tonnyl:whatsnew:0.1.2\') {\n        exclude module: \'annotations\'\n    }\n\n    //Showcase view library\n    implementation \'com.github.amlcurran.showcaseview:library:5.4.3\'\n\n    implementation \'com.squareup.picasso:picasso:2.71828\'\n    implementation \'com.mikhaellopez:circularimageview:3.2.0\'\n    implementation \'com.facebook.fresco:fresco:2.0.0\'\n    implementation files(\'libs/YouTubeAndroidPlayerApi.jar\')\n    //firebase analytics\n    implementation \'com.google.firebase:firebase-analytics:17.2.0\'\n\n    //https://jitpack.io/p/kapilmhr/AlphabetIndexFastScrollRecyclerview\n    implementation \'com.github.kapilmhr:AlphabetIndexFastScrollRecyclerview:1.0.0\'\n\n}\n\next {\n    travisBuild = System.getenv("TRAVIS") == "true"\n    preDexEnabled = System.getProperty("pre-dex", "true")\n}\n\nandroid {\n    compileSdkVersion 28\n\n    signingConfigs {\n        company{\n            {...}\n        }\n    }\n\n    defaultConfig {\n        minSdkVersion 21\n        targetSdkVersion 28\n        versionCode 120\n        versionName "2.10.3"\n        archivesBaseName += "-$versionName"\n        applicationId "com.company.chat"\n        resValue "string", "applicationId", applicationId\n        resValue "string", "app_name", "Company"\n        multiDexEnabled true\n        vectorDrawables {\n            useSupportLibrary = true\n        }\n    }\n\n    dataBinding {\n        enabled true\n    }\n\n    dexOptions {\n        // Skip pre-dexing when running on Travis CI or when disabled via -Dpre-dex=false.\n        preDexLibraries = preDexEnabled && !travisBuild\n        jumboMode true\n        javaMaxHeapSize "2g"\n\n    }\n\n    compileOptions {\n        sourceCompatibility JavaVersion.VERSION_1_8\n        targetCompatibility JavaVersion.VERSION_1_8\n    }\n\n    flavorDimensions("distribution", "emoji")\n\n    productFlavors {\n        /*playstore {\n            dimension "distribution"\n            versionNameSuffix "+p"\n        }*/\n        free {\n            dimension "distribution"\n            {...}\n\n        }\n        staging {\n            dimension "distribution"\n            {...}\n\n        system {\n            dimension "emoji"\n            versionNameSuffix "s"\n        }\n        compat {\n            dimension "emoji"\n        }\n    }\n\n    buildTypes {\n        release {\n            shrinkResources true\n            minifyEnabled true\n            proguardFiles getDefaultProguardFile(\'proguard-android.txt\'), \'proguard-rules.pro\'\n            //versionNameSuffix "r"\n            signingConfig signingConfigs.company\n            zipAlignEnabled true\n\n\n        }\n        debug {\n\n            applicationIdSuffix ".dev"\n            shrinkResources false\n            minifyEnabled false\n            proguardFiles getDefaultProguardFile(\'proguard-android.txt\'), \'proguard-rules.pro\'\n\n        }\n    }\n\n    lintOptions {\n        checkReleaseBuilds false\n        disable \'MissingTranslation\', \'InvalidPackage\', \'MissingQuantity\', \'AppCompatResource\'\n    }\n\n    subprojects {\n\n        afterEvaluate {\n            if (getPlugins().hasPlugin(\'android\') ||\n                    getPlugins().hasPlugin(\'android-library\')) {\n\n                configure(android.lintOptions) {\n                    disable \'AndroidGradlePluginVersion\', \'MissingTranslation\'\n                }\n            }\n\n        }\n    }\n\n    packagingOptions {\n        exclude \'META-INF/BCKEY.DSA\'\n        exclude \'META-INF/BCKEY.SF\'\n    }\n\n    // https://proandroiddev.com/how-to-setup-your-android-app-to-use-protobuf-96132340de5c\n    // Added to fix duplicate classes issue\n    protobuf {\n        protoc {\n            // You still need protoc like in the non-Android case\n            artifact = \'com.google.protobuf:protoc:3.0.0\'\n        }\n        plugins {\n            javalite {\n                // The codegen for lite comes as a separate artifact\n                artifact = \'com.google.protobuf:protoc-gen-javalite:3.0.0\'\n            }\n        }\n        generateProtoTasks {\n            all().each { task ->\n                task.builtins {\n                    // In most cases you don\'t need the full Java output\n                    // if you use the lite output.\n                    remove java\n                }\n                task.plugins {\n                    javalite { }\n                }\n            }\n        }\n    }\n\n    sourceSets{\n        main.java.srcDirs += "${protobuf.generatedFilesBaseDir}/main/javalite"\n    }\n}\n

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为了修复错误，我按照此处和此处的解决方案进行操作，我继续在 protobuf 中收到以下错误。

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Duplicate class com.google.protobuf.AbstractMessageLite found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1) \nDuplicate class com.google.protobuf.AbstractMessageLite$Builder found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.AbstractMessageLite$Builder$LimitedInputStream found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1) \nDuplicate class com.google.protobuf.AbstractParser found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar) com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.ByteString found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.ByteString$1 found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.ByteString$ByteIterator found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1) \nDuplicate class com.google.protobuf.ByteString$CodedBuilder found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.ByteString$Output found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.CodedInputStream found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.CodedOutputStream found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1)\nDuplicate class com.google.protobuf.CodedOutputStream$OutOfSpaceException found in modules protobuf-java-2.5.0.jar (com.google.protobuf:protobuf-java:2.5.0) and protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1) ...\nGo to the documentation to learn how to Fix dependency resolution errors.\n

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Answer 1

作为修复，使用gradle dependencies命令生成 gradle 依赖关系树，此树将显示您从哪里获取protobuf-lite-3.0.1.jar，然后使用 gradle 中的排除模式简单地排除此 jar，如下所示 -

dependencies {
  compile('com.example.m:m:1.0') {
     exclude group: 'org.unwanted', module: 'x 
  }
}