Develop Bugs

multi touch fix for desire?

Hey guys wondering all these Rom makers or Google/htc made any multi touch fix?
With all the custom kernels and open source roms, has any developer attempted to fix this issue?
Would like to play games without on screen keyboard issues due to multi touch, this also affects typing fast.
Thanks

Hardware not software please do some research

Thanks. So does the s-lcd have the same issues?

Ronaldo_9 said:
Thanks. So does the s-lcd have the same issues?
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the type of screen does not make a difference its the bit that lets the phone detect touch that is the issue here.
All HTC devices detect only one touch, and then detect the "size" of that touch which allows it to have pinch zoom when it detects a change in the size.
It cannot detect 2 individual touches.

please delete

bedeabc said:
Wait a minute, the Desire does have a basic multi touch digitiser... pinch to zoom in the browser etc. proves this. The EVO guys have developed a multi touch keyboard fix btw
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you obviously didn't read what I just posted then.
It cannot touch 2 different touches at one, it detects one LARGE touch when two fingers are on, and then when you "pinch" it detects the size of that LARGE touch getting bugger or smaller.

Search for "Multitouch Visible Test" in the market.
That is an app for displaying the detected finger touches.

Lennyuk said:
you obviously didn't read what I just posted then.
It cannot touch 2 different touches at one, it detects one LARGE touch when two fingers are on, and then when you "pinch" it detects the size of that LARGE touch getting bugger or smaller.
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the desire dosent have multi touch, but dual touch instead, the issues people are having with games is beacause the desire gets confused When two fingers are placed close to each other or they cross the same axis because the data points get flipped, this is because of the way dual touch works, When you touch the screen with two fingers one by one, you get three points of reference: 1) Fixed Point – location of first finger, 2) Real Point – hardware detection point when two fingers are placed and 3) Fake Point – location of second finger. Interestingly, the hardware does not ‘know’ about this position – instead it is calculated by the application.

Is this translated in a hardware level or just driver?

Lennyuk said:
you obviously didn't read what I just posted then.
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Both rude and falsely assumed.
I loaded the page a long time before you replied and only saw your reply after I had submitted mine. I edited my post immediately after seeing yours.

bedeabc said:
Both rude and falsely assumed.
I loaded the page a long time before you replied and only saw your reply after I had submitted mine. I edited my post immediately after seeing yours.
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Click to collapse
ok then, sorry

And as mentioned you are wrong, as the desire do detect 2 points/fingers. Any multitouch test app from the market will show that.

mortenmhp said:
And as mentioned you are wrong, as the desire do detect 2 points/fingers. Any multitouch test app from the market will show that.
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no, what we have said is correct, the apps show an output but its not true multitouch.
All you have to do is try any multitouch app and do a google search to see all deivces up until now (after desire) made by HTC have dual touch, not multitouch
basically speaking it can detect certain multitouch gestures but not everything.

well i can play sonic and a load of other games and snesoid on the genisoid with run and jump buttons together, which tells me it's at least dual touch, to be honest the screen isnt really big enough to get 3 or 4 fingers on it properly and see what you are doing anyway

I will record a video of the hardware limitation of the touchscreen in HTC Desire.

lollylost100 said:
I will record a video of the hardware limitation of the touchscreen in HTC Desire.
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Click to collapse
or just search on youtube, loads have been done already.

I am not on about the lack of multitouch, there is a bug with two points with two near x, or y, axis points; they join together for some strange reason.
Link to video: http://www.youtube.com/watch?v=noQBUDy-WCQ
This is why multitouch keyboards dont work and there are problems with the PSX4droid emulator when having both dpad and control buttons on top or both on bottom.

I read somewhere that there was code in Android for a that filtered the Droid's multitouch results, that results in the Droid not having the axis flipping issue (does still have the sticking issue when close). Is there any way this code can be implemented on the Desire?

I think a developer called Phhusion on the Acer liquid forum in Modaco solved this software wise.

mr.r9 said:
I think a developer called Phhusion on the Acer liquid forum in Modaco solved this software wise.
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NO...
i am reading the post but... it's a work around... and it is works quite well, quite...
It does not resolve the bug!

[Q] is this a general touch screen bug or is my desire not working ?

hello
i have a wird bug on my touch screen and i want to know if it is a general desire bug or a probleme with my device that i have to send back for repair ?
on magikmarker app when i press two points very quicly, my desire draw a line.
http://www.youtube.com/watch?v=pMyN822idH4
i thought maybe the app works like that.
so then i tried with swype and slideit
and there is exactly the same problem :
http://www.youtube.com/watch?v=gaPxeUqnCBc
anybody have the same problem ?
Thank you

This is a bug with all desires. They don't support true multi touch so glitches like that happen. Look for videos about desire multi touch on the YouTube.

Just tried it on mine and i don't get any lines.
not much more i can say on that really

If you get apps like visible multi touch test and use two points this will happen when you cross the axis too. The touchscreen can only support one touch. It uses an algorithm to work out where the 2nd point resides. HTC fixed this problem with new digitalisers in the stood incredible.

ste1164 said:
The touchscreen can only support one touch. It uses an algorithm to work out where the 2nd point resides. HTC fixed this problem with new digitalisers in the stood incredible.
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Ok I believe you but how come I can play games like NOVA fine using both my fingers at the same time if multitouch isn't supported? There must be some kind of multitouch or it wouldn't be possible.

owziee said:
Ok I believe you but how come I can play games like NOVA fine using both my fingers at the same time if multitouch isn't supported? There must be some kind of multitouch or it wouldn't be possible.
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He just told you how it works... You quoted his post with the answer...

Multi touch works but it's a very poor basic way of using it.

Desire doesn't got true multi-touch, it got half assed dual touch, and I couldn't play NOVA correctly because it wouldn't shoot when I wanted to if I had had my thumb on the joystick . Its because of the panel it uses and not because of software, so this is a hardware "problem"(Technically not a problem because HTC never advertised multi-touch, only pinch to zoom). Desire HD/Droid Incredible/Evo 4G uses newer and better touch panel with proper multi-touch.

Google Maps for Mobile v5 - Desire not supported?

http://www.engadget.com/2010/12/06/google-maps-for-mobile-5-unveiled-adds-dynamic-map-drawing-and/
It seems that the desire won't be supported, but I hope that list is not final.
There are very similar devices (eg. HTC Incredible) so maybe they just forgot about the Desire

koichirose said:
http://www.engadget.com/2010/12/06/google-maps-for-mobile-5-unveiled-adds-dynamic-map-drawing-and/
It seems that the desire won't be supported, but I hope that list is not final.
There are very similar devices (eg. HTC Incredible) so maybe they just forgot about the Desire
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I think we'll see an update, just not the full feature update. Same as the Nexus 1

I think the 3D tilt view will not be fully supported on the Desire/N1 due to the multi-touch issue. The main thing is the offline caching and we will get it.

Ye only thing is the multitouch bug that will make some of the tilting quite difficult.

Yes the Nexus one and the Desire have a poor Touch Panel, so altho it will get Google maps 5 You won't be able to rotate the Maps with a gesture (Although it SHOULD be able to do a pivot gesture according to its specification), The Droid incredible has a different Touch panel, which although still only Dual touch, handles that gesture fine without buggyness.

There is no "multitouch bug", the Desire supports pinch to zoom, not multitouch.
Working as designed.

bubble said:
There is no "multitouch bug", the Desire supports pinch to zoom, not multitouch.
Working as designed.
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+1 there is no multi touch bug because the desire has dual touch not multi touch
Sent from my HTC Desire HD using Tapatalk

AndroHero said:
+1 there is no multi touch bug because the desire has dual touch not multi touch
Sent from my HTC Desire HD using Tapatalk
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There is a bug, as the Droid Incredible is only Dual touch as well but doesn't do the same thing. Just don't call it a multitouch bug but its still a bug.

AntonyStark said:
There is a bug, as the Droid Incredible is only Dual touch as well but doesn't do the same thing. Just don't call it a multitouch bug but its still a bug.
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As you said 3 posts up, the Droid has a different touch panel and has more features. Its not a bug, its a limitation. The panel does as it was advertised to do...pinch gestures.
Yes, the axes swap and the points stick together when on close x or y, but this doesn't stop it from doing its job, pinch gestures work fine with these limitations, therefore, not a bug.

The only advertised feature is pinch to zoom, which is working as designed.
Calling the lack of multitouch support a bug is the as same as calling the lack of face camera a bug... ;-)

mercianary said:
As you said 3 posts up, the Droid has a different touch panel and has more features. Its not a bug, its a limitation. The panel does as it was advertised to do...pinch gestures.
Yes, the axes swap and the points stick together when on close x or y, but this doesn't stop it from doing its job, pinch gestures work fine with these limitations, therefore, not a bug.
Click to expand...
Click to collapse
But as I said in the same post, The touch panel in the desire is advertised to be able to do the gestures needed (both Pivot and rotate) and to close proximity, the phone is incapable of doing these and exhibits strange behaviours when you do them, thats bugginess to me, at worst its a defect, not a limitation.

bubble said:
The only advertised feature is pinch to zoom, which is working as designed.
Calling the lack of multitouch support a bug is the as same as calling the lack of face camera a bug... ;-)
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Its not working as designed, it was designed to do more, it cant for one reason or another, HTC messed up by putting it in the Nexus one and the Desire, thats why we have touch sensitive screen or Pitch to Zoom in brackets, but I'm talking about what the Digitizer manufacturers say it can do.
In your scenario it would be a phone having a camera and a flash in your phone, but to take a picture with a flash doesn't work, then calling it a video light....

I agree that not having real multitouch support is annoying, but you bought this device knowing this.
If you didn't know, you should probably take the habit to read some reviews before buying something...

bubble said:
I agree that not having real multitouch support is annoying, but you bought this device knowing this.
If you didn't know, you should probably take the habit to read some reviews before buying something...
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Click to collapse
I wasn't complaining, I was just spelling out why it isn't supported, with more background. Maybe you should take the habit to read before posting something....

AntonyStark said:
I wasn't complaining, I was just spelling out why it isn't supported, with more background. Maybe you should take the habit to read before posting something....
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Click to collapse
I was actually using the ""Impersonal You"

Where is here the problem? The list is so short that not only the Desire is missing but many other devices which also have or not any multitouch bug

The whole thing bugs me, so it must be a bug...

its so sad that desire isn't in the list ...

Calm down, someone will make it work, whether it comes to the Desire officially or not.
The Desire's touch panel has an issue where it gets confused if you cross an axis with two fingers at once.
This means the rotating gesture will not work reliably, because if you cross an axis with two fingers at the same time, the map will rotate in the wrong direction.
Everything else should work and I think the issue is a rather small one, so most likely all we need is the .apk (if it doesn't get released for the Desire anyway).

There are apps out that show you what the touch sensor is seeing, where it will register multiple touched locations, but only two actually do anything at the same time. If you put three fingers on it, it will show all three, but if you try to move, only two will show the sliders for each finger moving.
Also, if you try to use two fingers, one at 2 o'clock and one at 7 o'clock, and rotate them clockwise, when they are at the 12/6 or 9/3 axis, the circles at your fingers switch with each other and it acts up.
I agree how some see it as a bug, but I would have to say it is just a limitation due to what our device was designed with. (A black and white TV can't show color picture, it's a hardware limitation, not a bug)
I wonder if something along the lines of the hack that allows single-touch displays to be able to use dual-touch would work to allow dual-touch to use multi-touch...thereby allowing GM5 to work without issue?

[help] Disabling multi touch - it is possiable?

Hello,
My desire has some touch related problems, the screen acts like I toching on the top right of the screen (notification bar area) and then he gets crazy, make me to lose my mind many times....
A new touch screen + intallation cost in my country like 100$, and I dont think its worth for such an old device...
There is any way to disable multi touch or and other method that can help me fix this?
Thanks alot,
Daniel.

dan_l2 said:
Hello,
My desire has some touch related problems, the screen acts like I toching on the top right of the screen (notification bar area) and then he gets crazy, make me to lose my mind many times....
A new touch screen + intallation cost in my country like 100$, and I dont think its worth for such an old device...
There is any way to disable multi touch or and other method that can help me fix this?
Thanks alot,
Daniel.
Click to expand...
Click to collapse
Frankly, it s quite a known issue t the Desire has a faulty touchscreen and you should know that by having used the search button with lots of occurences.
First thing first: The HTC Desire has a dual- touch screen type and not multitouch. The means it has been designed mainly to support pinch to zoom actions. Therefore only two fingers can be recognized "fine",on the screen.
Why "fine"? Because it actually takes the real position of the first finger and calculate the virtual position of the second finger. This touchscreen configuration has created an issue that is well known as Axis swapping and stickiness. Search this on the Desire and you should get more information that, I hope, will help you very well
________________________________
Please press thanks if I helped you in anyway.
Sent from my HTC Desire using the xda app.

Sheiji said:
Frankly, it s quite a known issue t the Desire has a faulty touchscreen and you should know that by having used the search button with lots of occurences.
First thing first: The HTC Desire has a dual- touch screen type and not multitouch. The means it has been designed mainly to support pinch to zoom actions. Therefore only two fingers can be recognized "fine",on the screen.
Why "fine"? Because it actually takes the real position of the first finger and calculate the virtual position of the second finger. This touchscreen configuration has created an issue that is well known as Axis swapping and stickiness. Search this on the Desire and you should get more information that, I hope, will help you very well
________________________________
Please press thanks if I helped you in anyway.
Sent from my HTC Desire using the xda app.
Click to expand...
Click to collapse
Thanks about the fast awnser =]
I searched about touch related issues, but this is not the problem Iam talking about...
I cant use the phone in avarage use, I getting crazy from using it every day,
Its hardware related issue...

Up, help please

Assuming you can disable multitouch. Your screen acts like it's always touching the top right side of the screen, then you wont even be able to swipe your finger as that top right screen bug will always make use of the touch functionality.
You determined it's a hardware issue then go replace the screen.

Touchscreen delay - anyone else experience this?

Running the latest global beta 7.6.1 ROM just updated tonight... was same on 7.5.16 too
My Google pixel does not experience this.. It is really bad on games too - like Pixel Gun and Minecraft PE

I have similar stuff happening on 7.5.19 Xiaomi EU ROM. But it doesn't bother me.
Basically, I think the ROM gives some tolerance on how far should the initial movement has gone to unlock the pointer from the initial position. Definitely not a hardware problem.

Does anyone else have this issue? I am thinking about returning my MI6.. can anyone else take a video using the multitouch tester like me, and doing a touch and fine movement on the screen without making the circle move? please help! I really need to know if this is just the phone, or whether mine is faulty. thanks so much in advance

cheetah2k said:
Does anyone else have this issue? I am thinking about returning my MI6.. can anyone else take a video using the multitouch tester like me, and doing a touch and fine movement on the screen without making the circle move? please help! I really need to know if this is just the phone, or whether mine is faulty. thanks so much in advance
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Click to collapse
Actually the touch is very sensitive, just the way they decide that if you put down the finger like that, no mistouch (no movement is recorded). Whenever I play game, just push enough and move your finger and I have no problem with that (as a habit of gamers, I don't stiched my fingers on the screen that much).
Actually if you put the finger down and move it a little, it move the circle. But if you hard push for longer, slightly move don't move the circle. Hope you can sort it out.
Sent from my MI 6 using Tapatalk

That's what I have suggested to him too.
There shouldn't be a problem if you immediately move your finger upon touch. It's just if you don't move, it'll create some threshold in order to the cursor to be movable from the initial position.

Does the multitouch works good when you are not holding the phone in the hand? try putting the phone on a pilliow and try using 5 fingers on the screen with this multitouch tester app and see if it recognize all 5 fingers.
I had the nexus 7 2013 and it had that problem :/

someone261 said:
Does the multitouch works good when you are not holding the phone in the hand? try putting the phone on a pilliow and try using 5 fingers on the screen with this multitouch tester app and see if it recognize all 5 fingers.
I had the nexus 7 2013 and it had that problem :/
Click to expand...
Click to collapse
There's actually no problems at all touching the screen. its only when I touch then drag, I need to move my finger greater than 5mm for it to recognise the finger is moving - if moving the finger slow... Watch the video I posted in first post and you understand.
In a game, for example. playing a FPS game like Minecraft - you select the block you want to remove and then you swipe your finger from that block to the next its very jerky, because the pointer does not unlock with small finger movement. takes big movement then its unlocked. once unlocked its fine - the whole time I don't lift my finger from the screen..
So its really annoying playing games - because I have to touch the screen, then swipe to unlock the pointer, then I can aim and shoot at the enemy or remove blocks in minecraft.
Some have said its the game, but you can also try with the stock launcher - going between screens of apps, you swipe left or right, it takes 5mm finger movement before the screen starts to move to the next..
I tried the inbuilt Finger touch sensor tester, and the touch and move finger 5mm is represented as 2 pixel dots - instead of a line. so something is farked up in the software. I have 2 x MI6 (bought another to test) and both seems the same... Xiaomi need to fix...

Well my Mi 6 is on the way from GearBest China and when i will get it i will install the Global Rom and will try to do this test with this app and will see if i have the same problem as you.

Purchased mine on Gearbest aswell (international rom), came with 8.0.2.0 upgradeable to 8.2.2.0, I upgraded and I have not this problem at all.

Maybe they fixed it with the latest update?

someone261 said:
Maybe they fixed it with the latest update?
Click to expand...
Click to collapse
I'm on 8.2.2.0 stable global. nup..

someone261 said:
Does the multitouch works good when you are not holding the phone in the hand? try putting the phone on a pilliow and try using 5 fingers on the screen with this multitouch tester app and see if it recognize all 5 fingers.
I had the nexus 7 2013 and it had that problem :/
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Click to collapse
I also have Nexus 7 2013. The problem was jittery touch when you do multi-touch. It's kinda different problem.
But the case in Nexus 7 2013, it can be fixed by pushing the fix via ADB.

Same here.
But i think the developers want it.
I think it is a feature, not a bug. For better usebility.

Yes lol, a feature that we don't really want exactly like the notification light new feature which is that it only have one color - white.

Hmmm.. Maybe I'll order the OnePlus5 when its out... and use the MI6 as a spare

cheetah2k said:
Hmmm.. Maybe I'll order the OnePlus5 when its out... and use the MI6 as a spare
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Some googling suggests that's it possible to to calibrate the touch screen, did you try that?
https://www.reddit.com/r/Xiaomi/comments/37umy0/tip_calibrate_your_xiaomis_touchscreen/

-Zteam- said:
Some googling suggests that's it possible to to calibrate the touch screen, did you try that?
https://www.reddit.com/r/Xiaomi/comments/37umy0/tip_calibrate_your_xiaomis_touchscreen/
Click to expand...
Click to collapse
There's no "Touch calibration" option in my Xiaomi.eu ROM. Only "pass" or "fail"

-Zteam- said:
Some googling suggests that's it possible to to calibrate the touch screen, did you try that?
https://www.reddit.com/r/Xiaomi/comments/37umy0/tip_calibrate_your_xiaomis_touchscreen/
Click to expand...
Click to collapse
There's no way to calibrate the screen... a few apps on play store do nothing..

ArcOnFire said:
There's no "Touch calibration" option in my Xiaomi.eu ROM. Only "pass" or "fail"
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cheetah2k said:
There's no way to calibrate the screen... a few apps on play store do nothing..
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Okey, I don't own this device so I had no way to check, if it was possible or nor, I do consider buying this device myself, but that touch issue, sounds really annoying....

-Zteam- said:
Okey, I don't own this device so I had no way to check, if it was possible or nor, I do consider buying this device myself, but that touch issue, sounds really annoying....
Click to expand...
Click to collapse
I tested this, on a friends Xiaomi Rednote 4, the touch delay wasn't there as far as we could see, so it doesen't seem to a feature of MIUI, maybe it's a bug or something.
It was running MIUI 8.1 I believe.
If it is a bug, you should ask Xiaomi to fix it.