Android Studio: Could not download junit.jar (junit:junit:4.12)

下载了Android Studio 3.1.4，新建一个项目，选择Activity，结果gradle提示

Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not download junit.jar (junit:junit:4.12)
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Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not download junit.jar (junit:junit:4.12)
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Unable to resolve dependency for ':app@releaseUnitTest/compileClasspath': Could not download junit.jar (junit:junit:4.12)
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解决方法

1、下载junit

点击 https://jcenter.bintray.com/junit/junit/4.12/junit-4.12.jar，放在...\Android Studio\gradle\gradle-4.4\lib\plugins中，并重启Android Studio。

不过这个plugins都会有junit包的。

 

2、注释bulid.gradle中的junit行，看图，顺便注释一下 androidTestImplementation。