Google material design library error Program type already present: android.support.v4.app.INotificationSideChannel$Stub$Proxy
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: Whenever i add implemntation 'com.google.android.material:material:1.0.0-alpha1' when i try to build my project Android Studio says: Program type already present: android.support.v4.app.INotificationSideChannel$Stub$Proxy Message{kind=ERROR, text=Program type already present: android.support.v4.app.INotificationSideChannel$Stub$Proxy, sources=[Unknown source file], tool name=Optional.of(D8)} This is my gradle script: apply plugin: 'com.android.application' android { compileSdkVersion 'android-P' defaultConfig { applicationId "it.smart.bab3"