Android studio报错Failed to resolve: com.android.support:appcompat-v7:29.+ Install Repository and sync
Android studio报错Failed to resolve: com.android.support:appcompat-v7:29.+ Install Repository and sync project Show in File Show in Project Structure dialog
解决方法:
1.点击 AVD Manager
2.选中Updates,查看Android SDK Tools版本
3.双击第二个build.gradle,修改图中圈中的数据为Android SDK Tools版本25.2.5的整数 25
4.修改图中圈中的数据为Android SDK Tools版本25.2.5
解决