ubuntu-phone team mailing list archive

[nick luigi eusebio <kugi_igi@xxxxxxxxx>]

I think currently when you are in windowed mode, apps are not suspended and all runs simultaneously except I think the browser.This is what I noticed on my Nexus 7 so everything seems a lot more sluggish when in windowed mode. :)Now my question too, is how application confinement and multiple application instancewill be handled.
      From: Mitchell Reese <dev@xxxxxxxxxxxxxxxxxxxxx>
 To: ubuntu-phone@xxxxxxxxxxxxxxxxxxx 
 Sent: Friday, August 14, 2015 8:06 AM
 Subject: Re: [Ubuntu-phone] [Development] Override user agent string in WebApp
   
 So what's the plan then for convergence? I get that battery life is important for phones and tablets - heck, probably many IOT devices as well. Battery life however is NOT crucial for desktop machines, and probably never will be. What is crucial however is real multi-tasking...
 
 I get why Ubuntu Touch devices currently have awesome battery life - I get application confinement, and I understand the concept of having background services on an OS level that apps can plug into. Very clean and neat. What I don't currently understand is what will happen on desktops, or with a phone when docked.
 
 I'm typing this on my "insecure" laptop running 15.04, with no application confinement. I have multiple browser tabs open, all of which are doing something. I have several terminals open with scrolling text, with processes I can peek at when I want to know what's going on. I have 4 downloads happening in the background, and an email client across 5 accounts that is constantly checking for emails. When I open a window and start a process, I know that it continues without me staring at it the whole time.
 
 How does pausing an application's process when it's not in focus add to the current desktop usage scenario that most users now expect? My laptop is plugged in with a cable right now - battery life isn't important. How is Ubuntu Personal going to address this? There's no way we can compete with Windows and Apple - let alone most other  Linux Distros, if multi-tasking goes the way of the Dodo. Would love to hear how this is going to be addresses - think Ubuntu on my Nexus & BQ devices is truly awesome - but the same concept on the desktop? Meh... I'm waiting to be convinced.
 
 Cheers,
 
 Mitchell
 
 

On 14/08/15 09:31, Christian Dywan wrote:
  
 Hey Peter, 
  When you say desktop right now that basically means X11 without any confinement in place and no lifecycle enforcement, so applications run happily and battery wastfully in the background at all times. 
  On the other hand anything running Ubuntu Personal with Mir as the display server, which is most likely a phone (but can also be a tablet or desktop if you're adventorous) pauses apps once they go into the background. They won't be able to keep track of updates let alone send a notification. This is why push notifications are needed. A background service will do the checking for updates and bring the application in the foreground if the user opens the  notification. 
  Hope that makes things a bit clearer. 
  Regards,     Christian
 
 Am Do, 13. Aug, 2015 um 4:53 schrieb Peter Bittner <peter.bittner@xxxxxxx>:
 
 Ouch, that's unfortunate. Users are already requesting notifications as a feature. Why is it possible to have desktop notifications on an Ubuntu desktop machine, and it's not possible on Ubuntu Touch? Are we using two different implementations here and there? (How is convergence going to work if the two worlds behave differently?) Would be good to know, Peter 2015-08-13 22:03 GMT+02:00 Niklas Wenzel <nikwen.developer@xxxxxxxxx>: 
 Yes, the Gmail notifications are created by the account-polld background service. That logic has nothing to do with the webapp. Am Do, 13. Aug, 2015 um 10:02 schrieb Peter Bittner <peter.bittner@xxxxxxx>: Oliver, I see that Gmail (the WebApp?) has push notifications on my device. Is this maybe related to the Online Accounts, and not the WebApp? Because the Gmail WebApp only has "accounts" as a policy group, nothing else. Peter 2015-08-13 17:54 GMT+02:00 Oliver Grawert <ogra@xxxxxxxxxx>: hi, Am Donnerstag, den 13.08.2015, 17:32 +0200 schrieb Peter Bittner: permission when you login. On Ubuntu Touch the same thing must happen. I'm not sure I have seen this before (in a WebApp). except that your app is suspended when it is not having the focus or the screen is locked ... so the only time when notifications directly from the app work is while you are using it actively ... ciao oli 
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