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Old 06-22-2015, 11:58 AM   #1
Rocketmagnet
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Kill the GUI ?
Hi,

Is it possible to kill the GUI on the K4NT? Looking at ps aux, I can't easily guess which process might be the GUI.

I've written a Weather HUD in python. A shell script puts the Kindle to sleep, and when it wakes up, the python script runs, downloading the weather info, and rendering the image to a PNG file. It then calls eips to display it.

However, when the kindle wakes from sleep, part of the GUI appears, overwriting the screen during the downloading & rendering process. I'd like to avoid this, perhaps by simply killing the GUI process.

Is this possible, and would there be any disastrous consequences if I did?

Hugo
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Old 06-22-2015, 12:14 PM   #2
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Please use the forums correctly. Questions such as this clearly belong in the development sub-forum, to where I'm now moving this.

Thanks.
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Old 06-22-2015, 12:17 PM   #3
eschwartz
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Moderator Notice

Thread moved to Developer's Corner. Questions about hacking on the Kindle do not belong in the main Kindle forum.
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Old 06-22-2015, 12:30 PM   #4
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I see you've seen the Kindle Weather project. Have you considered modifying the Online Screensaver Extension to use your own custom update.sh code?

If not... killing the GUI should be pretty safe.
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Old 06-22-2015, 02:11 PM   #5
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Yup, /etc/init.d/framework stop
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Old 06-26-2015, 04:47 AM   #6
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NiLuJe, Thanks: that's just what I wanted.

HarryT & eschwartz, Sorry, my bad.

eschwartz, I originally looked at the Kindle Weather project, but I hadn't seen the Online Screensaver Extension. I'm too near completion of my project to move to this now, but there's some useful stuff in there. Thanks

Hugo
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Old 06-26-2015, 09:33 AM   #7
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Originally Posted by Rocketmagnet View Post
NiLuJe, Thanks: that's just what I wanted.

HarryT & eschwartz, Sorry, my bad.
Hey, how about that! I don't think I've ever seen two moderators cross-post a moderator message before.

Quote:
eschwartz, I originally looked at the Kindle Weather project, but I hadn't seen the Online Screensaver Extension. I'm too near completion of my project to move to this now, but there's some useful stuff in there. Thanks

Hugo
You're welcome.
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