How to show line numbers in Android Studio [duplicate]

Answer 1

1. Go to File > Settings
2. In the dialog, select 'Editor', then the sub-option for 'General', and then the sub-option for 'Appearance'.
3. Select 'Show line numbers' as shown below.
4. Click Ok.

Source

UPDATE The location for this setting has been changed to Editor -> General -> Appearance.

Answer 2

It's simple. Just Right click in left side of Workspace area and choose Show line number.

Answer 3

In Windows

1.Press Ctrl+Shift+A

2.Input following string: "show line numbers"

And you will see the setting, this method can find all the settings easily!

MAC

1.Press Command+Shift+A 2.Input following string: "show line numbers"

and following same flow of android studio.