Some useful codes for KDE:Connect that i use for my phone to pc connection. (Kali Linux - Not important but if you need to know distro!) I hope it helps.
How to install KDE:Connect [PC] -> KDE:Connect Installation [PC]
How to install KDE:Connect [Android] -> KDE:Connect Installation [Android]
If there is any additional command you want, I will add it.
This code on reddit - > reddit
[Close All Vaults, Forcefully Close All Vaults, Kill All Process And Logout, Maximum Brightness, Minimum Brightness, Reboot, Suspend, Unlock Screen, Cancel Shutdown, Change Webcam Shot Names, Delete Audio Records, Delete Screenshots, Delete Video Records, Delete Webcam Shots, Empty Trash, Lock Screen, Mute/Unmute, Record Audio 10 Min, Record Audio 30 Sec, Record Audio 5 Min, Record Video 10 Min, Record Video 30 Sec, Record Video 5 Min, Send Audio To Phone, Send Screenshots To Phone, Send Video Records To Phone, Send Webcam Shot To Phone, Shutdown, Spotify, Take Screenshot, Volume Down -10, Volume Down -5, Volume Up +10, Volume Up +5, Webcam Shot]
| Title | Code |
| Close All Vaults | qdbus org.kde.kded5 /modules/plasmavault closeAllVaults |
| Forcefully Close All Vaults | qdbus org.kde.kded5 /modules/plasmavault forceCloseAllVaults |
| Kill all process and logout | killall -u cosmohacker |
| Maximum Brightness | qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.setBrightness qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.brightnessMax |
| Minimum Brightness | qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.setBrightness 0 |
| Reboot | systemctl reboot |
| Suspend | systemctl suspend |
| Unlock Screen | loginctl unlock-session |
| Cancel Shutdown | shutdown -c |
| change webcam shot names | for f in /home/cosmohacker/Documents/*.png; do mv "$f" "$(echo "$f" |
| delete audio records | rm --force /home/cosmohacker/Music/* |
| delete screenshots | rm --force /home/cosmohacker/Pictures/* |
| delete video records | rm --force /home/cosmohacker/Videos/* |
| delete webcam shots | rm --force /home/cosmohacker/Documents/* |
| empty trash | rm -rf ~/.local/share/Trash/* |
| lock screen | qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock |
| mute/unmute | amixer sset Master toggle |
| record audio 10 min | sox -t alsa default /home/cosmohacker/Music/$(date "+%Y%m%d_%H%M%S")audio.wav trim 0 600 |
| record audio 30 sec | sox -t alsa default /home/cosmohacker/Music/$(date "+%Y%m%d_%H%M%S")audio.wav trim 0 30 |
| record audio 5 min | sox -t alsa default /home/cosmohacker/Music/$(date "+%Y%m%d_%H%M%S")audio.wav trim 0 300 |
| record video 10 min | ffmpeg -f alsa -f video4linux2 -s 320x240 -i /dev/video0 -t 600 /home/cosmohacker/Videos/$(date "+%Y%m%d_%H%M%S")out.mpg |
| record video 30 sec | ffmpeg -f alsa -f video4linux2 -s 320x240 -i /dev/video0 -t 30 /home/cosmohacker/Videos/$(date "+%Y%m%d_%H%M%S")out.mpg |
| record video 5 min | ffmpeg -f alsa -f video4linux2 -s 320x240 -i /dev/video0 -t 300 /home/cosmohacker/Videos/$(date "+%Y%m%d_%H%M%S")out.mpg |
| send audio to phone | for FILE in /home/cosmohacker/Music/*.wav;do kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share echo $FILE;done |
| send screenshots to phone | for FILE in /home/cosmohacker/Pictures/*.png;do kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share echo $FILE;done |
| send video records to phone | for FILE in /home/cosmohacker/Videos/*.mpg;do kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share echo $FILE;done |
| send webcam shot to phone | for FILE in /home/cosmohacker/Documents/*.png;do kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share echo $FILE;done |
| shutdown | shutdown |
| spotify | spotify |
| take screenshot | import -window root /home/cosmohacker/Pictures/$(date "+%Y%m%d_%H%M%S")screenshot.png |
| volume down -10 | amixer set Master 10%- |
| volume down -5 | amixer set Master 5%- |
| volume up +10 | amixer set Master 10%+ |
| volume up +5 | amixer set Master 5%+ |
| webcam shot | mplayer -vo png:outdir=/home/cosmohacker/Documents -frames 10 tv:// |