I recently started Android Studio IDE to make my android apps. I find shortkey to remove unused import in Android Studio is not working (Ctrl+Shift+O)
What is shortcut key to do same in Android Studio?
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Ctrl+Alt+O works pretty well and removes unused imports
there is also an Android Studio (1.4) setting to optimze imports on the fly: see Settings->Editor->General->Auto Import.
Sorry for the late answer.. For mac users command + option + o Try this.. It is working for me..
Press Ctrl + Alt + O.
A dialog box will appear with a few options. You can choose to have the dialog box not appear again in the future if you wish, setting a default behavior.
On Mac use control + option + O
I think Ctrl + Alt + O works when the import is unused but a valid import. However, say you try to import a class from a package that does not exist or no longer exists (which can happen during refactoring), the shortcut command does not work (atleast it didn't for me). If you have more than one file like this, things can get problematic.
To solve this problem, click on Analyse -> Inspect code -> (select your module / project). Let it perform the analysis. Go down to Imports -> Unused imports. Click on the "Delete unnecessary import" button that appears on the right.
you can use Alt + Enter in Android Studio as Shortcut Key
Source: Stackoverflow.com