Hi!
I recently bought an O3D and I'm getting some multi-touch problems.
As you can see, when you tap 3 times with another finger already tapping, multi-touch goes totally wrong. This happens after unlock/lock screen sometimes, and if you tap 3 times again the problem disappears.
Video from other user.
Kernel problem? Is there any solution? This makes playing multi-touch games (Nova for example) really anoying or zooming in browser with two fingers.
So sad to see the behavior of your touch screen, cause when I do the same test on my O3D it recognize 8 fingers without any problems. Are you rooted? Did you try for example my ROM to see if it makes any difference?
Sent from my amazing LG O3D using ThiaiZO3D V2.4
ThiaiZ said:
So sad to see the behavior of your touch screen, cause when I do the same test on my O3D it recognize 8 fingers without any problems. Are you rooted? Did you try for example my ROM to see if it makes any difference?
Sent from my amazing LG O3D using ThiaiZO3D V2.4
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Click to collapse
Mine recognizes up to 10, but when this happens only recognizes one at time. If you tap three times the problem is gone until you tap 3 times again.
I've tried with custom roms (one of them is yours), rooted, etc.
i confirm the problem...but the games looks not to be affected by it...they works perfectly.Only with touch test i have the problem...very strange and i have your rom thiaiZ...any other experice of it?
I have the same problem...
I'm on CM7 nightly 32 (for the P925 because of the Baseband problems)
but it is a bit strange.. sometimes it works and sometimes it doesnt, i don't know why
I have similar problem.
When I play a game the touch screen with 1 finger is okay but when I play with 2 fingers it stops to recognize the both fingers.
So I have to walk and then stop and then aim and then fire which sucks.
I have the same problem. Is this problem related with hardware?
hi everyone,
i tested this too and i noticed a certain pattern. If i turn off my phone and then turn it on and then run the multitouch tester i will get the issue you described. However if i turn it off and then turn it on and then move my finger from the left of the screen to the right of the screen 3 times(on the homescreen) and then I run the multitouch tester the issue is gone and the touch screen works perfect afterwards. Its a very weird bug. can someone confirm this on their phone also. If a programmer can develop an app that imitates 3 swipes when the phone unlocks then this annoyance is fixed.
Multitouch problem-any permament solution?
Have anyone found a permament solution?The thing is annoying.Has anyone got hardware fixing solution to this problem?Maybe the flat cable (placed at power button)?I've noticed it after 5 months of use.I haven't tried it myself with any other optimus 3d device.Could anyone confirm not having a problem?Btw, I use 2.35 official, without root or any kind of mod.Please, help.
rgunara said:
hi everyone,
(...)However if i turn it off and then turn it on and then move my finger from the left of the screen to the right of the screen 3 times(on the homescreen) and then I run the multitouch tester the issue is gone and the touch screen works perfect afterwards. (...)
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Click to collapse
Yeah, I've noticed this problem too and your three swipe solution seems to work fine. I also realised that I don't need to be on the home screen for this to work. I swiped on the tester screen itself and multitouch resumes working.
Testing with Antutu Tester I can get 10 simultaneous touches. The hard thing is to make 10 fingers fit into the screen
Sent from my LG-P920H using xda app-developers app
Related
hi,
I'm not sure when exactly this issue started on my phone, but I updated my touch pro with the chevron updater and have quite a lot of apps installed.
after several seconds workling with the phone, the touch screen stops working while the phone acts perfectly normal. I can use the keyboard and tilt the phone but I cannot use the touch screen anymore.
By turning the phone off and on it works again.
has anyone experienced a behavior like this?
I noticed my touchscreen becoming unresponsive when loading particular websites. Even had it freeze once (only time it ever froze on me)
What were you doing when it does this? Do you have the multitasking reg edit on?
exilkubaner said:
hi,
I'm not sure when exactly this issue started on my phone, but I updated my touch pro with the chevron updater and have quite a lot of apps installed.
after several seconds workling with the phone, the touch screen stops working while the phone acts perfectly normal. I can use the keyboard and tilt the phone but I cannot use the touch screen anymore.
By turning the phone off and on it works again.
has anyone experienced a behavior like this?
Click to expand...
Click to collapse
I know this is an old thread but this is the only reference to the exact same problem that I'm having. I'm having difficulty putting this down to hardware as the screen becomes responsive again when locking and unlocking which might point to software.
It could be a hardware issue that is resolved by locking then unlocking the phone but I don't know enough about the construction of it to have an opinion.
The advice I've had from htc is to wipe the 'phone and start again but I don't expect that to solve it (especially as their call handling system refers to Window Mobile 7 - the second large commercial organisation I've seen that on in recent weeks without looking too hard!).
Has anyone else seen this since the original post or @exilkubaner was a solution found to your problem?
Hi,
I have exactly the same problem. I hard reset my HTC 7 Pro, but no success, my screen doesn't respond until i lock/unlock the device.
So, any one have resolved this issue since the first post ?
Regards
Had the same issue, but I didn't have any roms installed.
Brought it in to Sprint and they found that I had a fried ribbon connecting the screen to the phone. Replaced under warranty.
It happened again, I determined that it was caused by my click in belt clip/holster. When I pull the phone out, it pulls the screen away from the keyboard a bit.
^Wow. Nice find. I'll have to be careful with mine now as I could easily run in to the same problem pulling it out like that.
I have a slight issue with my Droid Mini. It seems, that sometimes the screen is turning off on its own when I am in a app drawer mostly. I am scrolling, or moving apps, or even doing nothing and the screen shuts down sometimes instantly.
I sort of THINK that it may be because of the light/proximity sensor. Because it is happening when I am holding my phone in a left hand, and because the top bezel is so small, I think my finger is over some sensor here.
have you noticed the same issue? Or is it normal behavior?
Thanks
ArdW said:
I have a slight issue with my Droid Mini. It seems, that sometimes the screen is turning off on its own when I am in a app drawer mostly. I am scrolling, or moving apps, or even doing nothing and the screen shuts down sometimes instantly.
I sort of THINK that it may be because of the light/proximity sensor. Because it is happening when I am holding my phone in a left hand, and because the top bezel is so small, I think my finger is over some sensor here.
have you noticed the same issue? Or is it normal behavior?
Thanks
Click to expand...
Click to collapse
I've noticed this issue on 4.2.2 When i upgrade it to 4.4 all works fine) Also you can change proximity sensor distinct into build.prop
Just read it - it's simple operation.
summer.cat said:
I've noticed this issue on 4.2.2 When i upgrade it to 4.4 all works fine) Also you can change proximity sensor distinct into build.prop
Just read it - it's simple operation.
Click to expand...
Click to collapse
thank you, i solved it by installing a different launcher
When I put the device on to any insulating surface such as pillow/bed/couch/table I cannot normally operate it. Touch is being interrupted very frequently. This means in practice that I unintentionally press links while sliding through web pages, it is impossible to organize icons (since icon is dropped quickly), pinch-zoom is difficult, unlocking the device is hard, when text-typing it often doubles the letters etc.
Problems goes away as soon as I plug the charger, or take the device in my hand. This looks to me like a grounding issue, which was annoyingly present in some of OnePlus One and Nexus 7 devices in the past. Desperate users were hoping for a software update to solve the issue but it never came out.
Is anyone else experiencing similar problems with Mi 4c? I also tried flashing different MIUI versions, nothing helped.
Here is a video demonstrating the issue (you can enter hardware test menu by calling *#*#64663#*#* and try it by yourself):
I tested, mine is ok
I never really use my phone that way but out of curiosity, I tested it. Can confirm, issue is there. Touch screen goes crazy when scrolling facebook posts, chrome browser, possibly anywhere until I lift the phone up.
Just noticed that I needed to tap and scroll up/down harder than I used to otherwise I would miss it and the scroll would stop halfway through and will tap on whatever it is on the screen when it stopped.
Basically when I don't tap hard enough when doing the scrolling gesture, that's the time that the touchscreen goes crazy
works proper at my mi4c
I had the exact same problem. It is a defective screen. The problem started appear for me after 3 days of use, so I returned it to the store for an immediate exchange. I am not sure if you are in China or not, but if you are, you can just walk into the store and get a new one on the spot.
for me works perfect
Works ok on mine
Works fine here...
I can't even get the touch test started, running cm12.1, dailing *#*#*2664#*#*does nothing, as well as no other I've tried tested
Stenudd said:
I can't even get the touch test started, running cm12.1, dailing *#*#*2664#*#*does nothing, as well as no other I've tried tested
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Click to collapse
Try it with some app. For a single-touch this one is just fine: play.google.com/store/apps/details?id=com.tsaysoft.touchtest
It draws a continous line and if you lift a finger (or if you have faulty screen) the line disappears.
To test a multitouch function you can play with: play.google.com/store/apps/details?id=com.the511plus.MultiTouchTester
andrazek said:
Try it with some app. For a single-touch this one is just fine: play.google.com/store/apps/details?id=com.tsaysoft.touchtest
It draws a continous line and if you lift a finger (or if you have faulty screen) the line disappears.
To test a multitouch function you can play with: play.google.com/store/apps/details?id=com.the511plus.MultiTouchTester
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Click to collapse
Thank you, I'll try those.
---------- Post added at 09:56 AM ---------- Previous post was at 09:20 AM ----------
Mine is working as expected as well
found solution(the grounding problem is still a thing but this makes it less of an ass)
1) root the phone or just use the developer rom from xiaomi
2)then install Pimp my Rom from google play and grand root
3)go to tweaks-> touch-screen & display-> multi touch amount
and put it on 5.
Hello,
Yes. As a proud owner of one (unfortunately defunct cause I dropped) nexus 7 2013 I can confirm that the behavior is the same... Definitely a grounding problem.
When you leave the phone on a pillow or couch without holding it,bthe screen response is erratic. When you hold it or attach charger.. No problem.
Still beautiful device (the 4c), especially for the price. Snappy.
And smiu is very good made. (not a fan of miui roms...)
This happens only on 16gb version? What about using a plastic case? Does it solve the issue?
Ydraulikos said:
This happens only on 16gb version? What about using a plastic case? Does it solve the issue?
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Click to collapse
I have the 32/3. Same behavior. Not tried wit a case..
i have also found another touchscreen problem, multitouch on sides doesn't work, here the video
https://www.youtube.com/watch?v=uPC7Z2ploxc
Hello. I have an Nvidia Shield tablet k1 on lollipop 5.1.1. Everything is great about this tablet except the touch screen. It is really sensitive. Also, when I am scrolling, it "jumps" and goes faster than I actually scrolled. It scrolls faster than it should. I found this thread on xda. It helped a little with the being too sensitive issue, but scrolling is still really weird. This is my second device since the first one's micro sd card was defective. They both are like this. Is there anything I can do, or do I just have to deal with it?
http://forum.xda-developers.com/shield-tablet/general/adjust-touchscreen-sensitivity-t2963326
I was opening a thread with this exact same issue. I'm not on stock though (using the latest CM12 nightly), so I don't seem to have the 'Sensor Calibration' option.
Also the touchscreen seems to register a touch even when the finger is not touching the screen.
On the other hand, if I scroll a very small distance (like 0.5 centimetres) the list I'm scrolling doesn't move at all. This doesn't happen on other devices such as my Nexus 5 and Nexus 7 and is very annoying in some cases (some games, or moving the cursor for keyboard input).
I'll try to record a video of this behaviour.
What can we do to fix this?
Update: found a video (not mine) showing the issue I'm talking about: https://www.youtube.com/watch?v=08uPtusOJHQ
anyone else with this issue?
I also have this issue on/off sporadically on stock rom.
I'll be scrolling and itll jump back the opposite direction
Its like it looses track of the touch then catches it again.
It's irritating as my S5, Nexus 2012 have no problems scrolling smoothly.
I don't recall the original shield i tested in store to have this issue either.
Currently having amazon ship me a replacement to see if its just limited to the one I received. (QA issues)
Calibrating screen might fix the issues: go to About in settings and tap on model number until the calibration screen comes up. then hit calibrate. don't touch the screen then when it asks to reboot, reboot.
variance said:
Calibrating screen might fix the issues: go to About in settings and tap on model number until the calibration screen comes up. then hit calibrate. don't touch the screen then when it asks to reboot, reboot.
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Click to collapse
Did it fix the issue I posted the video about? I'm on Cyanogenmod now so I don't have the option to calibrate the screen, but I would consider going back to stock if it fixed this issue...
Calibration doesnt help at all , same issue at brand new k1. Nvidia says thats normal functionality lol
Yeah, very normal for a gaming tablet which would require precision...
Not trying to take up for this thing but I haven't had the first touch screen issue with it . so maybe not all is affected?? I've tried to replicate the issue but just can't everywhere I touch and slide is smooth
You mean it doesn't "jump" like the OP said? I don't seem to have that issue either.
I'm more concerned about the touchscreen's precision, as shown in the video.
Hi, i've been using the NVIDIA SHIELD K1 since january, and one thing that has always bothered me is that it doesn't recognize my fingers when i tap repeatedly, i play these rhythm games that requiere two or more fingers on screen, and losing because of the tablet not recognizing my fingers is painful, i tried rebooting and a number of stuff i thought could work, but there's no results, it even stops recognizing while i'm holding my finger (moving an app's location, for example).
This wasn't a thing in my previous one, it responded instantly with no stutters regardless of how many fingers i had on the screen, so i don't know what to do.
It's rooted with TWRP, i haven't used any ROM's as i don't feel like i requiere any, settings are always on max performance and i kill all apps that i leave and won't use so everything runs smoother, i also disconnect from internet when playing but it doesn't seem to do anything, can anybody help me with this?
Try doing a screen calibration; that worked for me.
Wayno-san said:
Try doing a screen calibration; that worked for me.
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I've tried screen calibrating, but that didn't work. Currently android 7.0 seems to make this less frequent.
Screen calibration worked here too, K1 tablet.
I accidentally found out about it yesterday btw haha