my system is fedora24
sudo dnf copr enable zerng07/gcin
sudo dnf install gcin*
gsettings set org.gnome.settings-daemon.plugins.keyboard active false
sudo dnf remove ibus
im-chooser then GUI select gcin
and then set gcin done but dont't use
and then me logout and shutdown, but no ok
then me see me have cinnamon DE then use this DE gcin ok
only default of gnome all not use gcin