Missing styles. Is the correct theme chosen for this layout?

Question

Missing styles. Is the correct theme chosen for this layout? Use the Theme combo box above the layout to choose a different layout, or fix the theme style ref

Answer 1

For Android Studio (or IntelliJ IDEA),

If everything looks OK in your project and you're still receiving the error in your layouts, try to 'Invalidate caches & restart'.

Enjoy a coffee while Android Studio is recreating caches & indexes.