Android Studio import class shortcut

Question

I've looked at How to auto import the necessary classes in Android Studio with shortcut? but it doesn't help.

Ctrl + Alt + O does nothing.

When I press alt+enter I get the following:

I do not want this, I wish for it to appear as a normal import at the top of the file.

What are these shortcuts called in Android Studio? This program makes it complicated to edit such simple shortcuts.

I also have auto-imports, but it isn't working:

Answer 1

Finally after hours of trail and error the following settings is what fixed it:

Answer 2

在Mac上按Ctrl + Space将打开一个对话框，以选择要导入的库。

Answer 3

check this link for detail ans https://stackoverflow.com/a/37362700/3288890

or

goto file -> setting select keymap and search for auto import and add keyboard short cut