Database Develop

Screen Flicker - Does anyone NOT have this?

So I'm debating RMA's the N7 I have with Google Play. I have a slight screen raise (this doesn't bother me too much) as well as screen flicker that I notice in low lighting situations (mostly in chrome and maps).
Does anyone NOT have screen flicker? Or is this a software issue?
Does anyone NOT have the slight screen raise?

Foxman2k said:
So I'm debating RMA's the N7 I have with Google Play. I have a slight screen raise (this doesn't bother me too much) as well as screen flicker that I notice in low lighting situations (mostly in chrome and maps).
Does anyone NOT have screen flicker? Or is this a software issue?
Does anyone NOT have the slight screen raise?
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Hey, I believe the screen flicker is due to the auto brightness function of the device.
I personally don't like auto brightness at all, try turning it off in the brightness menu and see if you still get that.
I see the flicker quite often with devices having that function turned on.

andyxover said:
Hey, I believe the screen flicker is due to the auto brightness function of the device.
I personally don't like auto brightness at all, try turning it off in the brightness menu and see if you still get that.
I see the flicker quite often with devices having that function turned on.
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Hmmmm well I guess the only thing I have to compare it to is my iPhone 4 which doesn't do this.

My eyes are usually sensitive enough to be annoyed by screen flicker in any respect. Certainly with overhead CFL lighting.
My 16GB Nexus 7 (2 days in my posession now) doe snot exhibit any sort of screen flicker whatsoever. This is in comparison side by side with my HTC Desire HD which also does not flicker.
The display actually has a very high quality feeling which I like.

EvilDeadFan said:
My eyes are usually sensitive enough to be annoyed by screen flicker in any respect. Certainly with overhead CFL lighting.
My 16GB Nexus 7 (2 days in my posession now) doe snot exhibit any sort of screen flicker whatsoever. This is in comparison side by side with my HTC Desire HD which also does not flicker.
The display actually has a very high quality feeling which I like.
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Click to collapse
Thanks for the feedback. So even in low lighting conditions, with auto brightness set to on, and scrolling around in chrome / maps, you screen never flickers or sort of rapidly dims?

I've noticed it. Only on white web pages or books. Very slight. I had two HTC One Xs that both had it. Its a Tegra issue and doubt we will see a fix. Gutted.
Its not the whole screen. Noticeable around text especially. Some weird refresh prob. Left side of my screen is also slightly raised. Not happy.
Sent from my Galaxy Nexus using xda premium

Arthur Hucksake said:
I've noticed it. Only on white web pages or books. Very slight. I had two HTC One Xs that both had it. Its a Tegra issue and doubt we will see a fix. Gutted.
Its not the whole screen. Noticeable around text especially. Some weird refresh prob. Left side of my screen is also slightly raised. Not happy.
Sent from my Galaxy Nexus using xda premium
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Click to collapse
I definitely get it on the whole screen, maybe for a second or 2. Might do it 2-3 times per day at most.

double post - deleted

Happened to me, I just turned the auto brightness off and t was fine. Try it, it works.

I keep auto brightness disabled and I haven't noticed the flicker that I can remember but tonight I'll try to reproduce and check it both ways.
I disable auto brightness and use this app which is actually a widget. It allows you to UAW any edge on the screen as an invisible or barely visible slider for brightness. It allows for incremental 1% changes on a slider instead of the typical button/toggle widget and its always enabled if you set it that way which allows on the go ease of use no matter what app or screen is open.
Its helped me attain amazing battery life and always have quick access for setting it just right.
Play store - Display Brightness by RubberBigPepper
https://play.google.com/store/apps/details?id=rubberbigpepper.DisplayBrightness
Sent from my Nexus 7 using xda premium

Neither issue here.
Sent from my Nexus 7 using Tapatalk 2

Sent from my Nexus 7 using xda premium

No flicker......no raised screen.

No flicker here. Although I agree with disabling auto brightness, not a fan of the effect that can sometime have.

just recieved 2 nexus 7's today, so far my one (16gb) is PERFTCY *touches wood* this thing is so awsome!! not a thing wrong with it and was shipped from USA to south africa... My dads one on (8gb) the other hand had a raised screen on the left which he has absolutely no worries with its not that bad, but so far we loving this devices ))

Why a separate thread? There's already a long one on it that'll answer most of your questions...
http://forum.xda-developers.com/showthread.php?p=29329145

kenyee said:
Why a separate thread? There's already a long one on it that'll answer most of your questions...
http://forum.xda-developers.com/showthread.php?p=29329145
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I understand that - I'm trying to gauge whether or not it affects ALL N7's, or is a defect.
Google Play is shipping me a replacement N7 to address the screen raise on my current one, and I want to make sure the replacement is 100% A-OK.

Foxman2k said:
I understand that - I'm trying to gauge whether or not it affects ALL N7's, or is a defect.
Google Play is shipping me a replacement N7 to address the screen raise on my current one, and I want to make sure the replacement is 100% A-OK.
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Click to collapse
Make a poll if you're trying to do that.... But yes, I see flicker too, but only at very low backlight levels and seems to be when wifi is active. I haven't tested to see if it's just wifi, or wifi causing other things (disk activity, etc), but this is the general consensus so far in the other thread.

Post your screen sensitivity (PRS) reading

There has been some talk on low sensitivity, I'm curious to see whether this is isolated cases, might be something worth contacting Google about for replacement.
To get your reading go to developer options + enable pointer location. Tap around lightly and see what the lowest Prs reading you get is. Let's stick to values with bare screen only.
I can't get below .4
For reference my skyrocket gets about .1
I know this was brought up inside some other threads but hopefully this keeps it organized and consists mostly of readings.
Sent from my Nexus 4 using Tapatalk 2

Lowest I got was .28. Average is about .5. Is that bad? What is considered good?

Are you really sure this comparison is making sense? Without moving the Finger i can't geht below 0.5 on the Nexus 4. On a Galaxy Note 2 i can't geht below 1.0 although i don't even have to touch the display for this. It's sufficient to have the Finger one millimeter above the screen...
Sent from my Nexus 4 using xda app-developers app

lnfound said:
There has been some talk on low sensitivity, I'm curious to see whether this is isolated cases, might be something worth contacting Google about for replacement.
To get your reading go to developer options + enable pointer location. Tap around lightly and see what the lowest Prs reading you get is. Let's stick to values with bare screen only.
I can't get below .4
For reference my skyrocket gets about .1
I know this was brought up inside some other threads but hopefully this keeps it organized and consists mostly of readings.
Sent from my Nexus 4 using Tapatalk 2
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Click to collapse
Please do some research before doing an exchange.
I add have many others mentioned it is the type of display. It just is not as sensitive as others. Do a search on it. You will get used to it. In exchange you have very close to the surface which looks amazing. You just have to type a little slower maybe but most get used to it.
sent via xda premium with nexus 7

i don't have N4 yet but i'm concerned about sensitivity. For comparison checked my samsung exhibit 2 which i think is very good 0.07. I wonder if it's for a reason where two levels of sensitivity is needed or something's wrong with N4. Maybe it can be adjusted or improved with a custom rom?

Nexus 4 - Touch Screen Sensitivity Test
Closed

Unresponsive touchscreen

Hi guys, my One has got extremely unresponsive screen, is there any mod to fix the issue?
Sent from my HTC One using Tapatalk 2

If it has an unresponsive touch screen it's faulty. This has the most responsive touch screen I've ever used
Sent from my HTC One using xda app-developers app

sebsal said:
If it has an unresponsive touch screen it's faulty. This has the most responsive touch screen I've ever used
Sent from my HTC One using xda app-developers app
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+1

I cut my nails. Went from dodgy response on screen to perfect. Thinking the HTC One is not a phone for vain girlies
Sent from my Tricked out HTC One via xda-developers application

sebsal said:
If it has an unresponsive touch screen it's faulty. This has the most responsive touch screen I've ever used
Sent from my HTC One using xda app-developers app
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I hope you're right. I did a side by side comparison of my Nexus 4 and HTC One Developer Edition, and for me I can confirm there is definite input latency on the HTC One (at least on the specific device I received). On my HTC One, a good way of checking this was in the browser -- if I placed my thumb on the screen and held it there (in an area that doesn't have a link so a dialog box doesn't pop up), and VERY VERY SLOWLY rocked my thumb up and down, the screen didn't scroll at all. Not only that, but at this point if I kept my thumb pressed on the screen and moved it at any speed up and down the entire display, nothing happened at all. It's not only until I removed my finger from the screen and placed it back down again that the touch input worked again. This DOES NOT happen on my Nexus 4 -- rolling my thumb ever so slightly results in very minor scrolling -- the way it should work. I will hopefully record a video of this and throw it up on YouTube so you can see what I'm talking about.

FlyBri said:
I hope you're right. I did a side by side comparison of my Nexus 4 and HTC One Developer Edition, and for me I can confirm there is definite input latency on the HTC One (at least on the specific device I received). On my HTC One, a good way of checking this was in the browser -- if I placed my thumb on the screen and held it there (in an area that doesn't have a link so a dialog box doesn't pop up), and VERY VERY SLOWLY rocked my thumb up and down, the screen didn't scroll at all. Not only that, but at this point if I kept my thumb pressed on the screen and moved it at any speed up and down the entire display, nothing happened at all. It's not only until I removed my finger from the screen and placed it back down again that the touch input worked again. This DOES NOT happen on my Nexus 4 -- rolling my thumb ever so slightly results in very minor scrolling -- the way it should work. I will hopefully record a video of this and throw it up on YouTube so you can see what I'm talking about.
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That is very interesting indeed. I can confirm the same behavior on my One. Time to pull the SGS3 out of mothballs and see what happens there.

Must be something wrong with the DEV edition, because my UK One is faster and smoother than my old S3, Sony Xperia Z and Nexus 4. There's no input latency on my One, certainly none detectable by humans. Also on the test above, the screen moves perfectly fine.

biffsmash said:
Must be something wrong with the DEV edition, because my UK One is faster and smoother than my old S3, Sony Xperia Z and Nexus 4. There's no input latency on my One, certainly none detectable by humans. Also on the test above, the screen moves perfectly fine.
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I posted my video on the issue here: http://www.youtube.com/watch?v=IZpMRCKJkR8
Also if you hold your finger to the screen and move it very very slowly, it won't scroll at all until you start increasing the speed of your movement.

FlyBri said:
I posted my video on the issue here: http://www.youtube.com/watch?v=IZpMRCKJkR8
Also if you hold your finger to the screen and move it very very slowly, it won't scroll at all until you start increasing the speed of your movement.
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Same thing happens on my Note II, never really bothered by it though..

Here's why the Nexus 4's touch still doesn't feel like the Galaxy or iPhone

In the recent 4.3 update, the Nexus 4's touch screen was revamped, and obtained much increased responsiveness. The same responsiveness you get on a Galaxy or iPhone device. But something still didn't feel right to me, it wasn't AS responsive (on the home screens) to me as a Galaxy Note 2, or an iPhone.
It's because when you swipe, there's this initial, miniscule, 2-3mm delay before it chooses to swipe. Similar to that 1cm pinch-to-zoom delay, which I believe is a feature to prevent accidental scrolling. Try it yourself: Swipe your finger for around 2-3mm, and you will note nothing happening. I think that swipe delay is also a "feature" to let your finger move a little when holding the home screen for the menu to pop up, so I believe it can be fixed, because the touch software otherwise should be on par with other devices. LG/Google should get rid of these delays altogether to be honest, the majority doesn't prefer them anyway.

I feel it's more like the dead zone has been increased, I don't like it what ever it is.
Gone back to the 015 driver from initial 4.2 pre release.

I don't mind nor really notice it.
Sent from my Nexus 4 using Tapatalk 4 Beta

OnlySkills said:
In the recent 4.3 update, the Nexus 4's touch screen was revamped, and obtained much increased responsiveness. The same responsiveness you get on a Galaxy or iPhone device.
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Click to collapse
I really couldn't see the difference from the previous version. The "dead zones" feel exactly the same as they were before. Good thing it's barely noticeable and not too annoying unless you're paying attention to it.

Yea but is there anyway to reach out to them so they can just take out this delay? It'll become Galaxy-like smooth..everybody wants that. No one cares really about their featured 'delay'

I'd rather my phone not pick up a touch that I didn't want it to than have to deliberately touch something twice. Just my 2¢
Sent from my Nexus 4 using xda premium

hope some dev work on it a fix it..

My sister has an iPhone 5 and I had an S2 and personally I haven't noticed any difference between them now that I'm on 4.3.
Sent from my Nexus 4 using Tapatalk 4 Beta

Nitpicking a near perfecting device won't get you any closer to "winning"
Sent from my Nexus 4 using Tapatalk 4 Beta

I hadn't noticed this, and tested your 2-3mm claim on a stock, rooted 4.3 using the stock launcher with a widget on the homescreen... I still don't notice it! While there is a certain 'delay', 2-3mm seems vastly overstated. Having used galaxy s4, HTC one and iPhone 5 I see little discernible difference, and I'd be very surprised if they all do not feature some kind of touch recognition delay.
Sent from my Nexus 4 using xda app-developers app

Uncle Lizard said:
I'd rather my phone not pick up a touch that I didn't want it to than have to deliberately touch something twice. Just my 2¢
Sent from my Nexus 4 using xda premium
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+1. I haven't updated yet, but if this resolves the issue of accidentally selecting an item rather than swiping, then I am 100% all for it.

I never understood those problems people had with touch on the Nexus 4 apart from the pinch delay. Thats the only difference I notice from my brothers S3
Sent from my Nexus 4

Nexus 4 feels just fine in my opinion. Don't notice any delays.
Sent from my Nexus 4 using xda app-developers app

i'm wondering there are so many top dev working on this device but no one can't (or don't want) solve toch and pinch zoom problem..

Dark Fear said:
i'm wondering there are so many top dev working on this device but no one can't (or don't want) solve toch and pinch zoom problem..
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I loaded CM 10.2 and don't see any issues so far.

It's difficult to notice any delay when you're used to something that has it. For example, my friend's TV has a lot of TV lag when used for gaming. If I hit A for jump in the game, I will have to wait about 100ms for it to show up on the screen. My TV, however, does not have lag as bad as this. Mines is about 30ms so for FPSs it is much more responsive. He doesn't notice this because his screen is already slow but when I play on his TV I notice a substantial amount of lag. When he plays on my TV he doesn't notice that it is very much faster. This is because it is harder to notice that something is slow when you're used to it.
This is a similar to phone responsiveness. My ipod touch 4th gen (which I had before my Galaxy s2 and NEX4) probably has a very slow processor but the software/hardware is optimized so there is no touch lag. Even with my nexus 4's beast quadcore processor, the touch performance is still better on my two year old ipod. I notice this because I have come from a faster device and I can notice the lag. You guys who haven't gotten used to more responsive devices may not notice the difference, but I and many others do. It's not just us being nitpicky, touch response if a very integral part of a TOUCH screen. I find myself having more difficulty typing on my nexus 4 because the sensitivity is just not high enough. I can type at a much faster pace on my ipod touch because the touch sensitivity is a lot better. In this regard, sensitivity makes a substantial difference in the user experience. I have had many mistaps and retaps on my nexus 4 when my taps did not register properly and I had to hit the same button over and over again. Swipes and other things are also slower than on my itouch.
If you play fruit ninja, for example, when you drag your finger on the screen you can see the cutting line trail behind on the nexus 4. On my itouch, however, the cutting line remains right below my finger and I cannot see the tip. This is the 2-3mm the OP is talking about.
just thought I'd share my opinion.

I sure hope it wont! Because I feel the touch responsiveness and accuracy on any 4/4s/5 iphone device is really through the floor.
Dont really feel any difference on the s3 compared to the new nexus 4 though.

I've noticed this delay too. Is there a kernel that allows you to adjust touch sensitivity for 4.3?

i've no problem with this delay.. my issue is pinch zoom problem.. i have to pinch at least 2 times to zoom enough..
it's software issue.. 'cause Mozzila Firefox doesn't have this problem..

It's not a "problem" or something that can be easily "noticed". The thing is, it's there. I can just feel that the Galaxy Note 2/S3/S4's swiping between home screens is instantaneous with the finger, just as the iPhone's is. The Nexus 4, is right up there, but I can see just that initial delay. It doesn't seem like the touchscreen doesn't recognize your finger, but more of a software "feature" where it won't recognize it on purpose.

Touch screen responsiveness "issue"?

From day one with this device, when I touch the screen to say launch an app from the drawer, I can be too quick or light about it. I've not had this issue with other devices, I am often tapping an option on the screen only to have to retap it for the phone to follow instructions. This doesn't seem to positive correlate with os version or rom or kernel.....so then assuming this isn't an issue specific to my device only....where does the issue lie and is it fixable?
Sent from my Nexus 6 using Tapatalk

Have not experienced this issue. You might want to get your piece replaced.
Sent from my Nexus 6 using Tapatalk

gammaxgoblin said:
From day one with this device, when I touch the screen to say launch an app from the drawer, I can be too quick or light about it. I've not had this issue with other devices, I am often tapping an option on the screen only to have to retap it for the phone to follow instructions. This doesn't seem to positive correlate with os version or rom or kernel.....so then assuming this isn't an issue specific to my device only....where does the issue lie and is it fixable?
Sent from my Nexus 6 using Tapatalk
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Click to collapse
If you happen to run stock rom without any kind of screen protectors on top the display and you still have these touch issues, i'm afraid it is a spesific issue with your device.