Raw sockets on Ubuntu phone - Ubuntu Touch Q&A, Help & Troubleshooting

Hi,
I need to send custom frames from a smartphone. As far as I know, this is not possible on Android and iOS. Would it be possible to use raw sockets on Ubuntu phone?

So you want to have your phone's screen mirrored on your desktop, right?
Have a look at this: http://www.kryogenix.org/days/2015/01/21/live-screencasting-from-ubuntu-phone/

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Getting Screen on PC desktop

Hi. I need to show the phone interface on the projector for my graduation presentation. I've searched for tv-out capabilities of Htc Hero but I have found nothing. Then I see that we can grab screenshots from DDMS. So my question is, is it possible to get more screenshots to display it like a video on the PC?
http://code.google.com/p/androidscreencast/
Thank you so so much, that was what I needed.
there are also vncservers for android available, so far i didn't succed with supporting mouse input. keyboard works with my modified kernel, thread in this section (search for kkernel).
But are they for PC to Handset or Handset to PC control?
you see (and ideally control) the screen of your phone on the pc. it is the SERVER part for android, the server is always the pc that is remote controlled (when speaking of vnc, but mostly also in general). i find it a comfortable way of making screenshots, you just open the vncviewer and then use your favorite screenshot tool for [windows/linux/mac/zeta], set it to skip the window frames and you'r good to go...

[Q]Possible to show different app on HDMI?

I have an android tablet that I need to display one application on its screen and another out the HDMI port. I havent been able to find out if this is possible. This would be similar to the windows ability to "extend" the desktop out multiple monitors.
Nevermind. I was able to track down that the base android OS does not support dual monitors.

[Q] to Android gurus: Change aspect ratio/resolution on MK802 IIIs

Hi Android gurus! I have nut to crack and I was hoping you could help me with that.
I want to use my MK802 IIIS with a projector but I am having aspect ratio/resolution issues. Namely my projector supports 800x600 and 1024x768 but on my Android stick I get chose 1920x1080, 1280x720 or 720x480 (Settings->Display->HDMI modes). The stick has only HDMI output and I am using a cheap chinese adapter to connect it to the projectors vga input. For example with 720x480 I do get the picture but at left side a slice of it is cut off.
Ideal would be if I could set the video output to 1024x768 (with 4:3 aspect ratio).
So, how could I change it?
Is there any Xorg like solution, that is, add resolutions by editing some conf file?
I have limited knowledge on Android but I do know java and I am willing to digg in and so all answers and solutions are welcome. Of course it would be great if there would be easy fix but if you think I should go nuts and create a custom ROM, build custom firmware... I will be excited to hear that.
Anybody?
Where how??
I'm trying to find an answer to the same thing, Also an android stick but also in general for Andoid.
Besidess the menu's in settings, which can be limited, there must be a way to force a specific resolution.
And I don't mean "simulate" a resolution change by changing the Density/DPI
Someone must know, and It must be easy, please share

Disable laptop native monitor on Remix OS standalone system

I have two laptops running Remix OS now being used as HTPC's. One is dual booted with windows 10 and Remix OS. This one I was able to disable the native monitor so that it would only display on the TV via HDMI. By booting to Windows and adding this: video=LVDS-1:d to the menu.list file. Well after making the second laptop single boot only on Remix OS I can not figure out how to disable the native display to display the HDMI alone to achieve 1080p. How can I go about doing this and maybe switch back if needed(not priority but would be nice).
Thanks for your expertise in advance
The laptop is a HP 2000-2b22DX
What I have tried.
First I attempted to find the menu.list file. In Remix OS worth a try no luck. Pulled HD and docked via USB to my desktop and had no access to the HD. Then since I have my other laptop running Remix. I used my USB dock and was able to access the HD and the RemixOS folder, but menu.list was not there.
Next I thought maybe is I disconnect the native LCD screen from the laptop motherboard it would run 1080p to the TV without the LCD keeping it at 720P. It did increase the resolution, but only to 1920x800 if I remember right.
Hopefully this information will help save others some time that are trying to achieve the same thing.

DeX with Linux

Hi there, I'm thiniking of DeX with Linux. Are anyone using Linux with DeX? How it's your experience with?
I work with Ubuntu and I'm thinking about buy a DeX and switch off my notebook, what you think about it?
Thanks!
Haven't found a way to do that yet. I have signed up to get Informed once samsung releases "Linux on galaxy" solution
Tetragonopantelonis said:
Haven't found a way to do that yet. I have signed up to get Informed once samsung releases "Linux on galaxy" solution
Click to expand...
Click to collapse
So they didn't release this feature yet? I saw a video talking about it.
thiagomed said:
So they didn't release this feature yet? I saw a video talking about it.
Click to expand...
Click to collapse
Still nothing... I hoped it would be out along with Note 9,but still silence from Samsung
Dex on Linux. Experience
I have the basic version of note 9.
I bought two different setups for testing:
- HDMI - USBC cable + Bluetooth keyboard and Bluetooth mouse
- HDMI with USBC port + 2 USB normal ports to connect a wired mouse and keyboard.
I have also at home two 4k tvs that I use as monitors: A 39inch seiki and a 41inch curved Samsung. Both working at 4k with my mac book Pro and my Ubuntu pc
Connecting any of the screens to my note using any of the devices gives me only 1080p. After researching, this is a software limitaciĆ³n. Somebody checked that note 9 can actually output 4k.
When you open dex, you get a desktop experience and you can execute you android apps. Not every app scales to full screen and some of them are shown as if you were runing them with an emulator.
Now dex on Linux. I got the invite and I installed the app. When you launch it in your phone, it asks you download an image (imagine docker) that's is a 4Gb zip that becomes a 10Gb unzipped .img file.
Application asks you to give the container a name and select the . img file.
That is what you can do from your phone. You cannot execute the container unless you are in dex mode: dex opened in a monitor
On dex, you have to run the Linux on dex app and run any container run created before.
When you run one in about 5-10 seconds you have Ubuntu 16 running.
Default applications you get aside of the standard ones is visual studio code and intellij 2018.2 community.
I am a java guy so I launched intellij to check the speed and I was surprised how fast it launched.
I need to play more, but I would buy a higher spec note if the 4k issue was solved.
In my opinion Dex/Linux is an strategy to justify expensive phones with more hardware, because nobody needs more ram and cores if you just run phone apps. Said that I am a software professional and this use case fits perfectly with my needs
I tried to install on my s9+ but would not let me. I hope they make available for S9+. I run Linux Deploy now in chroot - but not the same. I have Dex Station which I think would be nice with Ubuntu.
Iphone 9 linex
Linex on note 9 seem good but it would be better if i could download software or even update .It won't let me do anything.Its says no plugin could handle gs_plugin_app_install.Im at a lose.

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