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在模块guava-20.0.jar（com.google.guava：guava：20.0）中找到的重复类com.google.common.util.concurrent.ListenableFuture
在我的中使用implementation 'com.google.firebase:firebase-inappmessaging-display:17.2.0'时app/build.gradle，出现以下错误： Duplicate class com.google.common.util.concurrent.ListenableFuture found in modules guava-20.0.jar (com.google.guava:guava:20.0) and listenablefuture-1.0.jar (com.google.guava:listenablefuture:1.0) Go to the documentation to learn how to Fix dependency resolution errors. 我的内在app/build.gradle是： implementation 'com.google.android.gms:play-services-base:16.1.0' implementation 'com.google.android.gms:play-services-analytics:16.0.8' implementation 'com.google.android.gms:play-services-awareness:16.0.0' implementation 'com.google.android.gms:play-services-cast:16.2.0' implementation 'com.google.android.gms:play-services-gcm:16.1.0' implementation 'com.google.android.gms:play-services-location:16.0.0' implementation 'com.google.android.gms:play-services-maps:16.1.0' implementation 'com.google.firebase:firebase-core:16.0.8' implementation 'com.google.firebase:firebase-iid:17.1.2' implementation 'com.google.firebase:firebase-messaging:17.6.0' implementation 'android.arch.work:work-runtime:1.0.1' implementation 'com.android.support:multidex:1.0.3' …