android - 编译未能完成：程序类型已存在：com.google.android.gms.ads.identifier.AdvertisingIdClient$zza

Question

编译项目时，我收到以下错误消息：

Caused by: org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
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Caused by: com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives:
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Program type already present: com.google.android.gms.ads.identifier.AdvertisingIdClient$zza
at com.android.builder.dexing.D8DexArchiveMerger.getExceptionToRethrow(D8DexArchiveMerger.java:131)
at com.android.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:118)
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Caused by: com.android.tools.r8.utils.AbortException: Error: Program type already present: com.google.android.gms.ads.identifier.AdvertisingIdClient$zza
at com.android.tools.r8.utils.Reporter.failIfPendingErrors(Reporter.java:89)
at com.android.tools.r8.utils.Reporter.fatalError(Reporter.java:60)

这些是一些依赖项，我认为这可能会导致错误

implementation 'com.google.android.gms:play-services:7.3.0'
implementation 'com.google.android.gms:play-services-ads:7.3.0'
implementation 'com.google.android.gms:play-services-identity:7.3.0'
implementation 'com.google.android.gms:play-services-gcm:10.2.1'
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:support-v4:27.1.1'

标签： android