エラー：解決に失敗しました：com.android.support:appcompat-v7:27.+ <a href="install.m2.repo">Install Repository and sync project

Question

Ever since I downgraded my Android Studio (Windows) from 2.3.3 to 2.2.1 I'm getting an

Error:Failed to resolve: com.android.support:appcompat-v7:27.+

It is suggesting me to update my Android Studio to the latest version. But is there any way I can continue using version 2.2.1 withhout any need to add some references every time?

Answer 1

make sure that the repositories are set up correctly

allprojects { 
    repositories { 
     jcenter() 
     maven { 
      url "https://maven.google.com" 
     } 
    } 
} 

Try

は、これが問題のほとんどを修正するリポジトリとの同期プロジェクト

をインストールします。