Android Studio 4.1.1 打开安卓开发的app项目报错:Module: ‘app‘ platform ‘android-28‘ not found
用Android Studio 4.1.1 打开之前同事用kotlin做安卓开发的app项目。跑的时候报错，Gradle sync failed: com.android.tools.idea.gradle.project.sync.idea.issues.SdkPlatformNotFoundException: Module: 'app' platform 'android-28' not found. (12 s 754 ms)提示 ‘Module: ‘app’ platform ‘android-28’ not found’。此记录解决办法