问题
In the build your first Android app Kotlin instructions it is shown to use File-> Other Settings -> Default Settings to enable auto-imports.
However this option is missing in Android Studio 3.4.2
回答1:
File->Other Settings->Settings for New Projects -> Other Settings -> Auto Import
Then I checked Add unambiguous imports on the fly.
来源:https://stackoverflow.com/questions/57467501/how-do-i-turn-autoimport-on-in-android-studio