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 me, it was occurring on menu.xml file as i was using android:Theme.Light as my theme, So what i did was -

1. Added new Folder in res directory named values-v21.

2. Added android:Theme.Material.Light as AppTheme in styles.xml.

Answer 2

Change your App theme to AppCombat..

Answer 3

If we are creating too many projects using Android Studio sometime Rendering issue comes. Even creating a blank activity we receive such rendering error. Please shut down and restart Android studio. In case the issue persists you can

Hope this helps. It works similar fashion as rule of thumb, in case all looks good and still error persists a restart of application usually resolves the issue.