Android Studio 3.2.1, XML bad indent format

On Android Studio 3, Go to :

Preferences > Editor > Code style > XML then on Scheme switch to Default instead of Project.

You can then use those shortcuts to indent your code:

Windows:

Ctrl + Alt + L

macOS:

Option + Command + L

You can edit your code styles under File > Settings > Editor > Code Style > XML

Code Style Settings

If you want to preview a specific file, just paste that file's contents into the preview window.

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