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Is the multitouch on Nexus 1 faulty? I think so...


Guest d1mitrov

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Guest commodoor

Yhea i saw that, but honestly i don't have any issues (Yet) with the touch screen. its weird that the touch gets he invert of your finger and the lines snap. hmm its really weird.

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Guest stevenbriggs

Edit: Meh...I've decided I don't care nearly enough to leave an opinion here. Move along... :(

Edited by stevenbriggs
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Guest commodoor
I tried the app, the problem does not happen to me on my N1, works just like how the droid did in the video.

then you have a exclusieve N1 :(

It happend to me to but i don't think its faulty. i have no issues at all

Edited by commodoor
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Guest Evil Kaz

Yup i read about this last week. Game developers were saying that because of the axis switching when 2 fingers are close together on screen that some types of games will be difficult to do.

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But because the axis are just "switching" and not going all crazy (which would make it impossible to pinch, etc) I'd assume that a software fix could at least fool the software... if it could at least tell when it got "switched" it could software "un-switch" if that makes any sense...

from a programming background that was my first reaction.... it doesnt seem impossible to fix... when i read it on engadget (or was it gizmodo?) I got worried it was a big crap... they talk about cheap panels, and start their worthless speculation, but when i saw the video, i defo think its fixable or work-aroundable... we'll see..

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Guest dipeshb

I have tried the MT testing app.. I found that there was a lot more axis switching in the Desire ROM than the Cyan OP2 rom.. In fact the OP2 rom was pretty stable until I try to twist my two fingers in a circle (not that easy!) the two 'indicator balls' are on the other corners, i try to illustrate below, my fingers are represented by an f and b are the balls:

b f

f b

Judging from the varying results depending on which rom you are using, this should be an easy software fix.. and anyway, why would you ever want to use a two finger circular gesture?! (patent it quick!)

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Guest ZeroXtreme
then you have a exclusieve N1 :(

It happend to me to but i don't think its faulty. i have no issues at all

ok, I stand corrected.... I tested it out a bit longer and really moved it around a lot, it does not always happen, but it did what the N1 in the video did too. Sorry for the mis-information....

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Guest commodoor
ok, I stand corrected.... I tested it out a bit longer and really moved it around a lot, it does not always happen, but it did what the N1 in the video did too. Sorry for the mis-information....

i think it only happens if you move fast, But who moves that fast? I love my N1 and will keep it for a loong time i'm ignoring everyone who says that the N1 is faulty or that it has issues.

I'm not experiancing any issues and i can use it very well

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Guest Janx Zarniwoop

I saw this with an audio synth app. I think it's called Dial Pad. There is a multi-touch pad for it that will go the wrong way. The problem with fixing it is that if that's how the touch sensor is reporting the data the software would have to know exactly when it's wrong, which may be pretty tough to work out.

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Guest Shmoopty
Coming from Android and Me this really upsets me!

It's probably too early to be upset.

It could be an issue with the app or OS, either of which could get fixed.

And if it's irreparable, the scenarios where there would be a problem are few. Pinch-to-zoom, for example, will function correctly even if axes get swapped.

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Guest commodoor

Ok so far i get it the main issue is with playing games, i don't play games and maybe thats why i never issued any touch problems.

I always thought the multi touch is software based. but if you watch is the lines snap to each other and maybe it wil be get fixed with a update or a dev(i know it would be very hard :()

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Guest ZeroXtreme
i think it only happens if you move fast, But who moves that fast? I love my N1 and will keep it for a loong time i'm ignoring everyone who says that the N1 is faulty or that it has issues.

I'm not experiancing any issues and i can use it very well

It usually happens when you twist your fingers around in a circle on the screen. Try two fingers with one hand and turn them on the screen, when the axis meet, the blue and red dots move from under your fingers to the intersecting points, then back again under your fingers again depending on how many times you do it.

It is a bit weird, but it does not affect my day to day usage of the device, so its no biggie to me at least for now.

Hopefully its just a driver or software implementation bug that will be remedied in the future, I mean hey.... Our N1s are just over a month old so there is a lot of room and time for improvement, and all other devices have their own set of quirks.

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Guest commodoor
It is a bit weird, but it does not affect my day to day usage of the device, so its no biggie to me at least for now.

Hopefully its just a driver or software implementation bug that will be remedied in the future, I mean hey.... Our N1s are just over a month old so there is a lot of room and time for improvement, and all other devices have their own set of quirks.

I agree it also doesn't affect my daily use, and no phone is perfect and flawless. there is always a thing that annoys people.

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Guest kaotix
I agree it also doesn't affect my daily use, and no phone is perfect and flawless. there is always a thing that annoys people.

I also agree, I tried the app and found that no matter how fast/slow i moved my fingers across the screen it would mess up and invert the touch. If you run my fingers up/down the screen they quite clearly 'snap' together when they are close (on screen) and when I keep moving in the same directions they will be inverted.

I did, however, try this on google maps and found no issue zooming in and out. I don't have any multi-touch based games so I couldn't test on those. So currently it simply does not affect my daily use of my phone. Infact the only multi-touch I use is the browser and google maps I think.

Without sounding like I'm trying to beat down this possible fault but can anyone reproduce it using another app? I would like to see some kind of multi-touch drawing app to display what happens when the axis inverts.

I only ask because people are basing this (from what I can tell) off this app alone. Could it not be that this app is at fault and not the device itself?

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Guest surfsmurf
I only ask because people are basing this (from what I can tell) off this app alone. Could it not be that this app is at fault and not the device itself?

I have pointed this out before, but not on this forum. If you're running the CyanogenMod ROM, you can recreate the problem with different code easily. Run "Dev Tools", select "Pointer Location". Play. Same thing.

I'm really quite surprised this hits the news now.

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Guest Kilack

I never thought the screen was as accurate as the iphone and am pretty disappointed that it isn't a true multitouch phone.

It isn't a cheap phone and I feel a little cheated really. I am interested in the new sony erricson phone coming out the xperia 10, any way of finding out what screen that has and if its going to be a true multitouch? or any phone in the future for that matter?

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Guest Breece

Well I heard that the problem is not visible with the program:

Multitouch Visualizer

But I havent seen a video yet... My N1 is still on its way from GB, so maybe someone might want to test that? <_<

See comments here: http://www.androlib.com/android.applicatio...lizer-pFCE.aspx

[edit]

My first post :mellow: Hello world, hello forum :(

Edited by Breece
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Guest surfsmurf
Well I heard that the problem is not visible with the program:

Multitouch Visualizer

That's correct, "Multitouch Visualizer" does not demonstrate the problem. That is because it draws a rectangle where your two fingers indicate two opposing corners.

If you have a play with the two programs that demonstrate the problem, you should be able to see why "Multitouch Visualizer" does not.

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Guest Nesousx

I have tried the app and have the same problem.

Moreover, I have noticed (long before I saw this link) weird behavior on my N1, I wrote an article here.

When I am browsing the Internet, it happens (pretty often) that the pages zooms in or out when I try to scroll. I am 100 % sure, that I don't touch the screen at 2 differents locations.

Before the multitouch update went out, I experienced weird behavior also (I posted in modaco and in my blog, in order to explain those ones). The screen had lost all calibration and I had to turn it off and back on in order to be re usable.

I am really disappointed by this bug, and really consider selling the phone...

Edited by Nesousx
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Guest kaotix
I have pointed this out before, but not on this forum. If you're running the CyanogenMod ROM, you can recreate the problem with different code easily. Run "Dev Tools", select "Pointer Location". Play. Same thing.

I'm really quite surprised this hits the news now.

Thank you. I was looking for clarification that this is not just the software in the video. The pointer location app does exactly what I wanted to see, which is, inverts the multi-touch and actually allows you to draw over the same line forwards then backwards in on single motion. It's quite shocking that the multi-touch is like this.

Is this a hardware barrier because of the way the sensor works or does anyone think it could be overcome with software updates?

It's my understanding that I clearly wont be the same type of sensor as the iPhone as Apple have the technology patented so HTC would clearly have to have another method of creating multi-touch.

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Guest rj7855
I have tried the app and have the same problem.

Moreover, I have noticed (long before I saw this link) weird behavior on my N1, I wrote an article here.

When I am browsing the Internet, it happens (pretty often) that the pages zooms in or out when I try to scroll. I am 100 % sure, that I don't touch the screen at 2 differents locations.

Before the multitouch update went out, I experienced weird behavior also (I posted in modaco and in my blog, in order to explain those ones). The screen had lost all calibration and I had to turn it off and back on in order to be re usable.

I am really disappointed by this bug, and really consider selling the phone...

the screen calibration bug is something completely different... and early indications are that it's fixed in the latest leaked build ( http://forum.xda-developers.com/showthread...2811&page=8 )

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