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[SOLVED] automatically start scrcpy on phone plugin
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skunk
l33t
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Joined: 28 May 2003
Posts: 646
Location: granada, spain

PostPosted: Sun Jul 07, 2019 11:34 am    Post subject: [SOLVED] automatically start scrcpy on phone plugin Reply with quote

hello everybody!

i've recently discovered app-mobilephone/scrcpy::maggu2810-overlay, an excellent application that let you control your android smartphone while docked on your pc's usb port...
my intention was to start the application automatically when the phone is plugged, so i've added the following udev rule:
Code:
# cat /etc/udev/rules.d/20-phone.rules
ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="22b8", ATTRS{idProduct}=="2e81", RUN+="/usr/local/bin/moto.sh"

# cat /usr/local/bin/moto.sh
#!/bin/sh
su skunk -c /usr/bin/scrcpy

unfortunatelly nothing happens after plugging the phone:
Code:
[950475.568435] usb 2-1.6: new high-speed USB device number 12 using ehci-pci
[950475.647947] usb 2-1.6: New USB device found, idVendor=22b8, idProduct=2e81, bcdDevice= 3.18
[950475.647951] usb 2-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[950475.647953] usb 2-1.6: Product: Moto G (5)
[950475.647954] usb 2-1.6: Manufacturer: motorola
[950475.647956] usb 2-1.6: SerialNumber: ZY3222W47R

yes, i did run "udevadm control -R" and /usr/local/bin/moto.sh script is working correctly when executed manually by root
please, is somebody so kind to tell me what i'm missing?
thank you


Last edited by skunk on Fri Jul 12, 2019 9:21 am; edited 1 time in total
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Etal
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Joined: 15 Jul 2005
Posts: 1702

PostPosted: Fri Jul 12, 2019 1:08 am    Post subject: Reply with quote

First, I would check if the script actually runs. Try adding "echo device connected >> /tmp/moto.log" to your shell script.

Maybe also add tee to capture the error message: "su skunk -c /usr/bin/scrcpy |& tee -a /tmp/moto.log"

My guess is it's a graphical application and it's missing the DISPLAY env variable and so can't connect to the X server.
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skunk
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Joined: 28 May 2003
Posts: 646
Location: granada, spain

PostPosted: Fri Jul 12, 2019 9:21 am    Post subject: Reply with quote

Etal wrote:
My guess is it's a graphical application and it's missing the DISPLAY env variable and so can't connect to the X server.

that was it, good catch Etal :)
thank you!
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