Android Studio: Error parsing XML & URI is not registered

Question

After adding a new Activity to my project I get following error while compiling the layout

Gradle: Error parsing XML: not well-formed (invalid token)<

Answer 1

For me this problem was gone when I have made following changes to my project structure on Android Studio. file->project structure ->SDK Location -> enable check mark for "Use embedded JDK (recommended). Hope this will help someone.