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A render problem. Getting the following messages: "Failed to load AppCompat ActionBar with unknown error. "
I'm not able to see any update in the preview windows when changes are done in .xml file. Any suggestion?
Maciej Czuchnowski36,440 Points
This is what helped me. Go to your
styles.xml file and change this line:
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<style name="AppTheme" parent="Base.Theme.AppCompat.Light.DarkActionBar">
Base. in front of the
This will bring back the preview, although it may not display the title bar (the title bar will correctly display in the emulator though). It's some kind of bug in the current version of Android Studio.