My Logitech R500 can't work on Kobo Libra 2 so I try to check the problem. Finally, I rebuild the uhid.ko and it works with R500. Because Kobo Clare 2E has the same issue of bluetooth, you could use ...

GeneXus Standard Classes for Java These are the source of the GeneXus Standard Classes for Java, valid since GeneXus 16 Upgrade 4.