如何修复“重复 class com.google.firebase.components”？
How to fix `duplicate class com.google.firebase.components`?
我开始在我的项目中使用 MLKit 条形码扫描器，并在尝试 运行 应用程序时遇到 Duplicate class 错误。
另外，我尝试 exclude firebase-common 和 exclude firebase-components，但没有用，因为它破坏了推送通知或 MLKit 扫描器。
从 Firebase 和 Google 我们使用这些依赖项：
playServices: [
base : "com.google.android.gms:play-services-base:17.0.0",
maps : "com.google.android.gms:play-services-maps:17.0.0",
location : "com.google.android.gms:play-services-location:17.0.0",
safetynet: "com.google.android.gms:play-services-safetynet:17.0.0",
],
firebase: [
messaging: "com.google.firebase:firebase-messaging:20.0.0",
barcode: "com.google.mlkit:barcode-scanning:16.0.0"
]
Duplicate class com.google.firebase.components.AbstractComponentContainer found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$Builder found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentContainer found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery$MetadataRegistrarNameRetriever found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery$RegistrarNameRetriever found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
and more classes ...
请尝试将其更新到最新版本的 Firebase。第一季度底层基础设施发生了一些变化。
我开始在我的项目中使用 MLKit 条形码扫描器，并在尝试 运行 应用程序时遇到 Duplicate class 错误。
另外，我尝试 exclude firebase-common 和 exclude firebase-components，但没有用，因为它破坏了推送通知或 MLKit 扫描器。
从 Firebase 和 Google 我们使用这些依赖项：
playServices: [
base : "com.google.android.gms:play-services-base:17.0.0",
maps : "com.google.android.gms:play-services-maps:17.0.0",
location : "com.google.android.gms:play-services-location:17.0.0",
safetynet: "com.google.android.gms:play-services-safetynet:17.0.0",
],
firebase: [
messaging: "com.google.firebase:firebase-messaging:20.0.0",
barcode: "com.google.mlkit:barcode-scanning:16.0.0"
]
Duplicate class com.google.firebase.components.AbstractComponentContainer found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$$Lambda found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.Component$Builder found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentContainer found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery$MetadataRegistrarNameRetriever found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
Duplicate class com.google.firebase.components.ComponentDiscovery$RegistrarNameRetriever found in modules jetified-firebase-common-19.0.0-runtime.jar (com.google.firebase:firebase-common:19.0.0) and jetified-firebase-components-16.0.0-runtime.jar (com.google.firebase:firebase-components:16.0.0)
and more classes ...
请尝试将其更新到最新版本的 Firebase。第一季度底层基础设施发生了一些变化。