报错信息:
Duplicate class android.support.v4.app.INotificationSideChannel found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.app.INotificationSideChannel$Stub found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.app.INotificationSideChannel$Stub$Proxy found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.IResultReceiver found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.IResultReceiver$Stub found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.IResultReceiver$Stub$Proxy found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.ResultReceiver found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.ResultReceiver$1 found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.ResultReceiver$MyResultReceiver found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Duplicate class android.support.v4.os.ResultReceiver$MyRunnable found in modules core-1.8.0-runtime (androidx.core:core:1.8.0) and support-compat-27.1.1-runtime (com.android.support:support-compat:27.1.1)
Go to the documentation to learn how to Fix dependency resolution errors.
解决方法:
在项目的gradle.properties文件里面加上
# 启用AndroidX
android.useAndroidX=true
# 启用Jetifier,自动将旧的支持库依赖项转换为AndroidX依赖项
android.enableJetifier=true
通常项目自带第一句,只需要加第二句

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