如何修复“找不到与com.android.support:appcompat-v7:29.+匹配的任何版本

Question

如何修复

  

"Unable to resolve dependency for ':app@releaseUnitTest/compileClasspath': Could not find any version that matches com.android.support:appcompat-v7:29.+. <a href="openFile:C:/Users/hhira/AndroidStudioProjects/MyApp/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@releaseUnitTest/compileClasspath&#39;: Could not find any version that matches com.android.support:appcompat-v7:29.+.">Show Details</a> "

Answer 1

尝试安装 Extras | Android支持存储库

转到：工具，然后是Android，然后是SDK Manager

选择并安装Extras|Android Support Repository