It's Alt + Ctrl + Right/Left arrow and mouse buttons 4 and 5 (if your mouse has those). You can change these shortcuts under:

File > Settings > Keymap > Main menu > Navigate > Back/Forward.

• Another option : move to the last edit location: CTRL + SHIFT + BACKSPACE

• Move to the last cursor position: CTRL + ALT + left Arrow

Use Ctrl + Alt + Left and Ctrl + Alt + Right

For Mac, use Command + Option + Left and Command + Option + Right

If these don't work for you, it is possible that these keys are assigned for some of the functions of your OS/video drivers, you can either disable the shortcuts that are using these keys from operating system settings/video driver settings or change shortcuts from Android Studio itself by going to:

File > Settings > Keymap > Main menu > Navigate > Back/Forward

Mac users can find this dialog by going to Android Studio's: App Menu -> Preferences

For those coming from Eclipse, you can have Android Studio use Eclipse style keyboard mappings. Keep in mind host OS can still intercept keystrokes and prevent some keystrokes from working as desired in both Eclipse and Android Studio. If you want to give it a try, here is where to switch it:

cmd + [ and cmd + ] will move your caret to the previous and next positions.

Confirmed on Android Studio v2.3.3 / MacOS

cmd + [ and cmd + ] will move your caret to the previous and next positions.

Confirmed on Android Studio v3.0.1 / MacOS High Sierra Version 10.13.3

For Windows/Linux : Ctrl+Alt+Left / Right

For Mac : Cmd+Alt+Left / Right

In Android Studio, go to View and check the ToolBar option. It will show the Back and Forward buttons.

Ubuntu 19-04 (Gnome)

navigate back = alt + shift + left

navigate forwards = alt + shift + right

If you don't want to use keyboard shortcuts, goto view >> Toolbar and check it (if its unchecked) as shown below

Doing this will add two shortcuts below menu options to navigate forward and backward like shown below

In Android Studio, go to View and check the ToolBar option. It will show the Back and Forward buttons.

cmd + [ and cmd + ] will move your caret to the previous and next positions.

Confirmed on Android Studio v2.3.3 / MacOS

Use Ctrl + Alt + Left and Ctrl + Alt + Right

For Mac, use Command + Option + Left and Command + Option + Right

If these don't work for you, it is possible that these keys are assigned for some of the functions of your OS/video drivers, you can either disable the shortcuts that are using these keys from operating system settings/video driver settings or change shortcuts from Android Studio itself by going to:

File > Settings > Keymap > Main menu > Navigate > Back/Forward

Mac users can find this dialog by going to Android Studio's: App Menu -> Preferences

For Windows/Linux : Ctrl + Alt + Left / Right

For Mac : Cmd + Alt + Left / Right

Another option : move to the last edit location: CTRL + SHIFT + BACKSPACE

Move to the last cursor position: CTRL + ALT + left Arrow

cmd + [ and cmd + ] will move your caret to the previous and next positions.

Confirmed on Android Studio v3.0.1 / MacOS High Sierra Version 10.13.3

Ubuntu 19-04 (Gnome)

navigate back = alt + shift + left

navigate forwards = alt + shift + right

Source

In MacOS

Go to Preferences -> Keymap, Confirm that you have macOS selected in dropdown.

Now go back to editor, press cmd + [ or cmd + ] to navigate.

In recent Android Studio versions, to enable back arrow on toolbar, go to:

View -> Appearance -> Toolbar

In Android Studio BumbleBee | 2021.1.1, Just Click

View -> Appearance -> Check Toolbar

And you will see a right and left array to navigate