重复类 com.google.firebase.auth.AuthCredential [重复]答案

【问题标题】：Duplicate class com.google.firebase.auth.AuthCredential [duplicate]重复类 com.google.firebase.auth.AuthCredential [重复]
【发布时间】：2020-04-17 09:53:43
【问题描述】：

在添加实现 'com.google.firebase:firebase-auth:19.2.0' 时出现这些错误。

Duplicate class com.google.firebase.auth.AuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.EmailAuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.EmailAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.FacebookAuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.FacebookAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.FirebaseAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.GithubAuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.GithubAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.GoogleAuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.GoogleAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.TwitterAuthCredential found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.TwitterAuthProvider found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.UserInfo found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.UserProfileChangeRequest found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.UserProfileChangeRequest$Builder found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)
Duplicate class com.google.firebase.auth.zza found in modules firebase-auth-19.2.0-runtime.jar (com.google.firebase:firebase-auth:19.2.0) and jetified-firebase-auth-common-9.6.1-runtime.jar (com.google.firebase:firebase-auth-common:9.6.1)

转到文档以了解如何修复依赖项解析错误。

【问题讨论】：

你能分享你的毕业作品吗？

标签： java android firebase firebase-authentication duplicates

【解决方案1】：

检查您是否添加了任何其他包含 firebase 的依赖项，如果是则排除。

【讨论】：

【解决方案2】：

试试下面的变化

只需用你的 firebase auth 和 auth UI 依赖替换波纹管

 implementation('com.firebaseui:firebase-ui-auth:x.x.x') {
     exclude group: 'com.google.firebase', module: 'firebase-auth'
  }

 implementation 'com.google.firebase:firebase-auth:19.2.0'

【讨论】：

谁对我的答案投了反对票，请添加评论，以便我们下次给出答案时要小心。