It might even be a better idea to implement this from the Android front-end -that would mean less playing around with the Ubuntu install, making it more united, and requiring less hacked-together solutions.
For example, it could be done via a symlink: have the config in, lets say, /system/etc/ubuntu/configs/. Upon installing the preinstalled Ubuntu image, just look for [$ro.device.name].conf in /system/etc/ubuntu/configs/, and if found, symlink, then move on. This way it requires one small change on the Ubuntu side, while providing a more generic way to store the configs within the device-specific "container". What makes me write this are the hacky solutions I've seen around: some requires a third zip flashed after install, some use a service-ified shellscript to copy it from the system, and so on. With the symlink (or any other method what stores the config out of /data/ubuntu), we cut some minimal files out of the chroot, yet every device can easily provide their own configs without hassle. On Mar 22, 2013 2:28 AM, "Ricardo Salveti de Araujo" < [email protected]> wrote: > Hey, > > We just landed a merge request [1] created by Oliver (ogra) that improves > the way we're currently handling the device specific pixel ratio values. > > The main idea is to move the device specific configuration from > /usr/bin/ubuntu-session to a proper config file, in a way it won't be > needed to change the original sources anymore. > > As described at > https://wiki.ubuntu.com/Touch/**Porting#Screen_Pixel_Ratio<https://wiki.ubuntu.com/Touch/Porting#Screen_Pixel_Ratio>, > here's how you can create your device specific configuration file from > tomorrow's image on: > > First identify the ro.product.device android property used by your device > (check the /system/build.prop file from your port or from the original > Android image). Then with the desired DPR, create a file at > /etc/ubuntu-session.d, adding your custom GRID_UNIT_PX and QTWEBKIT_DPR > variables, also specifying the default form factor you want, such as: > $ cat /etc/ubuntu-session.d/manta.**conf > GRID_UNIT_PX=20 > QTWEBKIT_DPR=2.5 > FORM_FACTOR="tablet" > > Another good side effect is that people will be able to safely update the > ubuntu-session package without breaking the previous device specific setup. > Also, it make way easier to accept new contributions as all we need now is > to add a config file to the session-manager package. > > Also, please don't forget to send us the config file after you created it > for your port, so we can include them in ubuntu-session by default. > > Thanks. > > [1] https://code.launchpad.net/~**ogra/session-manager/posix-** > rewrite/+merge/153542<https://code.launchpad.net/~ogra/session-manager/posix-rewrite/+merge/153542> > > -- > Ricardo Salveti de Araujo > > -- > Mailing list: > https://launchpad.net/~ubuntu-**phone<https://launchpad.net/~ubuntu-phone> > Post to : > [email protected].**net<[email protected]> > Unsubscribe : > https://launchpad.net/~ubuntu-**phone<https://launchpad.net/~ubuntu-phone> > More help : > https://help.launchpad.net/**ListHelp<https://help.launchpad.net/ListHelp> >
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