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Glance screen (Partially implemented)

asked 2013-12-25 10:41:05 +0300

Canol gravatar image

updated 2015-02-16 07:24:01 +0300

I am too much used to the "glance screen" feature of Nokia N9 and my current Nokia Lumia device. Glance screen is the information displayed on the device's screen when device is idle. For example it shows the time and notifications so that you don't have to wake up the phone to look at the time or see the notifications.

Update: This is partially implemented, i.e., available under the hood (mce-tools) and can be enabled using developer mode or available in setting using openrepos patch. Thanks to @coderus again.

I believe, we as community can help with testing and monitoring power consumption so Jolla can see the feasibility of making it available as a regular feature.

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Nokia has this feature on non-oled (IPS LCD) screens as well. You are right that it would drain more battery but I would give up a few hours of battery to have this useful feature.

Canol ( 2013-12-25 11:35:42 +0300 )edit

There could be a setting: "Display always on when connected with charger". I guess a changer can drive the display and charge the battery at the same time.

ibins ( 2013-12-25 16:04:16 +0300 )edit

At a quick glance, on absolute minimum brightness the lcd backlight draws only about 10-15mA, but it's not the only thing affecting power consumption. Anyway with some optimizations this might be feasible on Jolla too.

Jare ( 2014-01-05 02:00:04 +0300 )edit

Glance screen would be awesome! I used also glance screen as a night lightPut whit Nokia C7. Put phone close water glass and voila! You have shattered light.

Glance screen is also handy when in dark you cannot see where's the phone so glance light reveals your phone, handy!

This feat to1stgen Jolla

Karfindel ( 2014-01-10 10:34:52 +0300 )edit

YES! We want this on Sailfish!! One of the best features of the N9.

Kehis ( 2014-02-21 02:46:15 +0300 )edit

11 Answers

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answered 2013-12-25 10:45:58 +0300

updated 2013-12-25 10:47:10 +0300

Alternatively, using the proximity sensor to activate the lock screen for a little while (when not in pocket, obviously) could also do the trick. ie, hover hand over.

My problem with the N9 was that the clock was too light during the night. I'm much more of a hover-hand to see the lockscreen shortly and it turns off afterwards-person.

Proximity sensor is also technically easier, as we keep it on in many cases to spot if we're in a pocket or not.

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That might be an alternative mode. I would prefer always on mode since I like seeing notifications when my device is sitting on my desk without any cover or something that hinders the proximity sensor.

Canol ( 2013-12-25 10:57:45 +0300 )edit

Tip for Stskeeps when using Nokia N9 - if the light disturbs you during the night just put the phone upside-down :-)

fk_lx ( 2013-12-25 11:48:11 +0300 )edit

(re N9 during night) @Stskeeps, @fk_lx - or even better, just cover the proximity sensor (top right) :-)
I used to place a small pack of paper tissues, that resided on my nightstand anyways, over the top-right corner - no worries about scratches, and easy (though night vision ruining) to check the time if I happened to wake up in the middle of the night.

phle ( 2013-12-29 17:42:53 +0300 )edit

This would be a brilliant way to implement the glance screen

Milo ( 2014-01-04 20:27:22 +0300 )edit

This could be a very good compromise as it will be very hard to implement a N9-styled functionality due to power consumption.

To my knowledge the proximity sensor is already monitored by the process handling the dubble-tap to wake funktion. This to prevent powering up the phone in ones pocket.


jesperC ( 2014-01-05 13:30:06 +0300 )edit

answered 2014-07-14 20:47:48 +0300

TemeV gravatar image

Glance screen was not included in update 8, so here is the instructions to enable it:

pkcon install mce-tools
mcetool --set-low-power-mode=enabled

And it can be disabled with

mcetool --set-low-power-mode=disabled

Glance screen is enabled for a few seconds after phone is taken out of the pocket or hand is waved over the phone. So it is not completely N9 like behaviour, but still quite neat feature.

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Didn't know the feature with waving the hand other our Jolla to activate the 'LPM' screen but this feature is just great. Anyway I would love to see a N9-like LPM screen with adjustable font-colour on an AMOLED screen (hopefully coming with next Jolla phone 8) ).

Alex ( 2014-07-14 23:03:03 +0300 )edit

Great feature and it is working fantastic on my Jolla.

Stefan P ( 2014-07-27 23:56:02 +0300 )edit

Hi, I've activated the option and the feature is really cool.. I would like to report a small bug: the weekday-date fields are never updated. So if you look at the glance screen on friday evening and then on saturday morning, the date will be ok but the weekday wil still show friday.


rbarison ( 2014-07-28 15:39:54 +0300 )edit

I love this feature. I wish the glance screen had the battery status and (2G/3G) signal strength icons, too..

nbuchmueller ( 2014-10-02 17:19:23 +0300 )edit

please add this to the next update and make it configurable in the settings

Cristian Magherusan-Stanciu ( 2014-10-18 18:02:32 +0300 )edit

answered 2013-12-25 15:50:15 +0300

dez gravatar image

Currently it will result in high power consumption because Jolla phone display is IPS - it consumes the same power despite amount of lighten pixels, while N9 display is AMOLED, where consumed power depends on the amount of lighten pixels. Both types has own pros & cons.

Best solution is to create e.g. E-ink TOH ;)

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Porting Billboard from the N9 will not have the "same" value as in N9... :-(

NikosAlexandris ( 2013-12-26 05:50:06 +0300 )edit

I created hardware request yesterday: https://together.jolla.com/question/2038/hardware-feature-request-is-it-possible-include-standby-lpm-screen-in-next-hardware-revision/ It's bit similar to this question, but I think that pure hardware request is needed for this urgent problem.

LaruX ( 2013-12-26 22:03:16 +0300 )edit

An eInk-TOH display that could be only partially updated (instead of full screen rewrite-cycle) would be ideal.

pnuu ( 2013-12-29 23:09:34 +0300 )edit

I don´t care if it takes lots of battery to run Glance screen. I miss it so much from N9.

Pantteri ( 2014-01-01 23:48:11 +0300 )edit

answered 2014-01-30 17:53:42 +0300

Zombie gravatar image

How about the opposite of the "hover hand over" option? Allow the user to configure the glance screen, which would display time and other status info at lowest brightness. And, like the N9, switch off the screen when the proximity sensor triggers. That will disable it when inside a pocket, protector case, or placed face down.

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my HTC OneX had an IPS screen.

I used this app and loved it https://play.google.com/store/apps/details?id=com.led.notify

So it is totally possible to do similar on jolla

Hazy ( 2014-01-30 19:04:24 +0300 )edit

answered 2014-01-04 22:20:45 +0300

So I already spoke on a not so energy troublesome way - but what would you have a glance screen contain?

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The obvious things like: Time, battery, new mail, missed calls, etc...

Then some kind of plugin system where other applications or services could could specify a pictogram and/or a text string.


jesperC ( 2014-01-05 14:58:14 +0300 )edit

The glance screen is the feature I use at least 20 times per day to check the time or if any missed calls, received SMS... I'm OK to spend more battery power for that feature. When the screen is not covered (detected by proximity sensor), just display that glance screen.

chinauser ( 2014-02-04 15:45:35 +0300 )edit

Clock, new SMS, and missed calls (and voicemail) are the most useful info I would love to have// Second priority would be: date +level of battery + connection to Internet (connected to what : cellular name or wifi hotspot...) I currently also use it for: Meecast + song & singer of current media

pat_o ( 2014-03-13 17:52:06 +0300 )edit

the lockscreen already has it all.

dsilveira ( 2014-07-14 10:01:02 +0300 )edit

@dsilveira But the point is that it requires a double-tap and edge-swipe from above, or two presses on the power button, when all you want to do is to e.g. check the time real quick.

FireFly ( 2014-07-14 19:27:57 +0300 )edit

answered 2013-12-29 22:26:24 +0300

strahl gravatar image

@koudi pointed us within another question [1] to article [2] that describes a Lumia 920 (IPS screen) doing almost the same thing as the AMOLED glance functionality. So it seems not impossible and perhaps the current Jolla phone IPS panel could do the same?

[1] https://together.jolla.com/question/5722/e-paper-e-ink-toh/ [2] http://allaboutwindowsphone.com/features/item/18191_Nokia_works_a_LCD_miracle-Glan.php

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Of course, it is possible, just standby energy consumption will be significantly higher

dez ( 2014-01-02 11:17:56 +0300 )edit

@dez: If we talk a decrease of standby-time from say 40 hours to 28 hours I'm still in for it. I charge my phone almost every night anyway and the days I need longer standby-time I disable sync, so I could just disable glance screen those days as well.

Mohjive ( 2014-01-30 22:17:22 +0300 )edit

@dez: I've had this switched on my lumia 920 for a while, and I still get a day out of it no problems. I accept it might last longer without it being on, but it's definitely far from a deal breaker. I would say NOT having glance is more of a deal breaker than having to charge each night, before glance was added, I was ready to throw this phone in the bin. Now I can keep it until Australia get's Jolla.

Mike ( 2014-03-14 02:37:04 +0300 )edit

answered 2014-07-13 19:31:05 +0300

jesperC gravatar image

For us who do not want to wait. http://www.jollausers.com/2014/07/video-tutorial-want-lpm-on-jolla-heres-a-tutorial/


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Thanks, that's an interesting feature.

Does it actually lower the screen brightness to minimum when it shows the glance-screen? Or does it just display the glance-screen at current brightness?

Does anyone know? @thp ?


caa ( 2014-07-22 01:28:40 +0300 )edit

@caa: Initially minimum brightness was used, but it was too dim even for brightly lit indoor conditions. So it is adjusted based on ambient light sensor, but uses dimmer-than-normal brightness curve as defined in [BrightnessLPM] at /etc/mce/20als-defaults.ini.

spiiroin ( 2014-07-22 08:49:17 +0300 )edit

answered 2013-12-25 11:18:34 +0300

siggi_digital gravatar image

Glance screen or similar things like active notifications on Motorola moto x, work better on oled screens. On jolla it would drain the battery much more, because you can't switch each pixel on and of separately

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I would like to have this option tho. On my N9, and this habit continues now with Jolla, the phone screen is exposed only when I have to use it, all the other times the phone is either inside its case or I put the case on top to cover the screen.

pmelas ( 2014-07-13 18:47:55 +0300 )edit

answered 2015-04-22 12:46:26 +0300

evo3de gravatar image

updated 2015-04-22 12:49:24 +0300

low-power-mode Glace Screen is a cool feature, but will it work in the 2.0 release? There are a lot of architecture and design changes.

I would be pleased it it will by stay in the future development and be intigated by default, so all useres can see these cool feature

And no higher power consumption noticeable

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answered 2014-03-13 15:11:41 +0300

aaltoni gravatar image

This feature would be absolutely awesome !

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glance screen can work on jolla even without an oled display.The time could be shown after 10 seconds and then the screen could switch off

subho ( 2014-05-31 16:21:31 +0300 )edit
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Asked: 2013-12-25 10:41:05 +0300

Seen: 7,468 times

Last updated: Apr 22 '15