无法为com.android.build.gradle.internal.dsl.BaseAppModuleExtension类型的对象设置未知属性"useAndroidX" [英] Could not set unknown property 'useAndroidX' for object of type com.android.build.gradle.internal.dsl.BaseAppModuleExtension

问题描述

我想添加一个我在github上找到的库，但它需要androidx.我发现我应该放这些库:

I want to add a library that i've found on github but it required androidx.I found out that i should put these:

android.useAndroidX=true
android.enableJetifier=true

这里

defaultConfig {
    applicationId "com.kolydas.greeksinbrno"
    minSdkVersion 19
    targetSdkVersion 28
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    android.useAndroidX=true
    android.enableJetifier=true

}

但是我遇到了这个错误

无法为com.android.build.gradle.internal.dsl.BaseAppModuleExtension类型的对象设置未知属性"useAndroidX".

Could not set unknown property 'useAndroidX' for object of type com.android.build.gradle.internal.dsl.BaseAppModuleExtension.

推荐答案

这两个属性需要在项目根目录下的gradle.properties文件中定义，而不是在build.gradle中.

Those two properties need to be defined in a gradle.properties file at the root of your project, not in your build.gradle.

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