NoClassDefFoundError：com / badlogic / gdx / LifecycleListener

Question

I am trying to use the libgdx controllers extension and i am getting this :

Exception in thread "LWJGL Application" java.lang.NoClassDefFoundError: com/badlogic/gdx/LifecycleListener

When i try to load the Controllers class for the first time, from the desktop project

this is my main projects jars:

and this is my desktop's project jars:

Answer 1

‛LifecycleListener‛ is a newer class, so likely a version mis-match with an older core Libgdx library.

The Libgdx libraries make no guarantees about compatibility between Libgdx .jars. All gdx jars your apps use should be from the same build.