apt-get install oracle-java8-jdk
If you have an official touchscreen you can control the brightness of the screen with the darkmode button of can4eve.
You might want to make sure that you use the run script to start the app. The important lines are:
sudo chmod 0664 /sys/class/backlight/rpi_backlight/brightness
sudo chown root.pi /sys/class/backlight/rpi_backlight/brightness
Example Can4Eve.desktop file to be placed in .config/autostart of your user. Please adapt the exec line to where you installed can4eve
[Desktop Entry]
Type=Application
Name=Can4Eve
Comment=Onboard Diagnostic software for Electric Vehicles
NoDisplay=false
Exec=/home/wf/source/java/can4eve/run
You can make the desktop shortcut available on your desktop by creating a symbolic link from your Desktop
cd $HOME/Desktop
ln -s /home/wf/.config/autostart/Can4Eve.desktop
See description of the Bluetooth dongle OBDLink_LX