Database Users

Multitouch

Hey,
I'm having a tought here...
On a dual, if you press on the touchscreen with two fingers (on on each side of the screen) the touchscreen recognizes both and thinks you pressed between the two spots (sorry, might be a little confusing added pic for understanding)
Many pda's cant handle a second press on the touchscreen, so i was wondering: if a dual can handle 2 simultaneous inputs, can multitouch be able to work (like typing 2 letters or use gestures like zooming on an iphone OR, scroll with 2 fingers like the mousepad on a macbook and select things with a single finger)
Is it even possible to get it working in windows mobile?? Or has it nothing to do with the touchscreen and is it just the os your using?
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I guess not, because multitouch technology uses infrared (warmth detection).
I'm guessing that the touch dual is using resistive touch technology, which captures your position using x- and y-axis coordinates.
Than puts them together.
When you touch multiple places, the microcontroller makes an average of the two coordinates.
That function is also needed for thumb control, cause your thumb obviously has a bigger contact area than 1 pixel.
When you use your thumb to push a button the chip calculates the center of the pressure, so it will only give one coordinate.
Sorry for my somewhat hard to read (cause i'm not WWE) explanation, but I really think you shouldn't hope for it.
Edit: And the OS isn't made for multitouch usage. Try using two mouses on your windows pc, you won't see two cursors which is somewhat a non-argument ofcourse, but multitouch has to be programmed in the OS.

actually multitouch has nothing to do with the TYPE of touch pad... furthermore, if you're referring to the iPhone - it's capacitive... i.e. it uses the human body's ability to store electricity to sense the point of touch. The touch screens on most phones are resistive in that they press two plates together to create a resistance in the electrical flow.
As far as multitouch itself - that's mainly an OS thing.

wig said:
furthermore, if you're referring to the iPhone - it's capacitive...
Click to expand...
Click to collapse
You're right here is info about the iPhone's touchscreen: http://www.ipodobserver.com/story/31942
Near-infrared is used in the Microsoft Surface tables http://arstechnica.com/news.ars/pos...w-microsofts-surface-a-qa-with-microsoft.html
More info about (other kinds of) touch types: http://en.wikipedia.org/wiki/Touchscreen
But believe me when I say that resistive touch technology doesn't support multi-touch though.

soulcrusher said:
Hey,
I'm having a tought here...
On a dual, if you press on the touchscreen with two fingers (on on each side of the screen) the touchscreen recognizes both and thinks you pressed between the two spots (sorry, might be a little confusing added pic for understanding)
Many pda's cant handle a second press on the touchscreen, so i was wondering: if a dual can handle 2 simultaneous inputs, can multitouch be able to work (like typing 2 letters or use gestures like zooming on an iphone OR, scroll with 2 fingers like the mousepad on a macbook and select things with a single finger)
Is it even possible to get it working in windows mobile?? Or has it nothing to do with the touchscreen and is it just the os your using?
Click to expand...
Click to collapse
hi
http://www.flicksoftware.com/research/index_files/Page375.htm
the bad thing is it wasnt realeased yet but theres a video.
i dont think this is like iphones technology but it is multitouch

Hahaha! Okay, i'll shut up then

Cheap screen protector for bottom touch sensitive portion?

Hi, does anyone know where I can get a screen protector for the touch sensitive buttons on the bottom portion of the screen? Those buttons seem like they would get scratched easily and I just want to make sure they are protected.

have a look on ebay

!!!
Take the scrissors and make it !!!

Get an invisible shield that covers your entire phones body and you won't be sorry.
Takes some patience to install but well worth it.

I don't think this would be a good idea, as that bottom portion is capacitive wouldn't covering it with anything render it useless?

elypsar said:
I don't think this would be a good idea, as that bottom portion is capacitive wouldn't covering it with anything render it useless?
Click to expand...
Click to collapse
I have an "screen" protector over the buttons and I can tell you they still work correctly.

I have the invisible sheild installed on mine and I had no idea it was touch sensitive until blamo I zoomed in acouple days ago when Iwas sliding my thumb around so yes it still works and I recommend the invisible sheild butyou have to take your time follow the instructions and be paitent or you will hate it cause you will have funked it all up and well thats your fault then.

to be honest, the bottom section wont get scratch very easily, just the DPAD or the little inner bowl part but other than that the rest of the part seems that u have to be aggressive to it in order to see scratches, i always clean that part with an old tshirt and when it showed under the sun i dont see any of those scratch marks...sooo im guessing the finish is scratchproof or im really stupid that there is a protector on it already that i cant tell from looking at it <_<
any suggestions?

XERO_Racer said:
to be honest, the bottom section wont get scratch very easily, just the DPAD or the little inner bowl part but other than that the rest of the part seems that u have to be aggressive to it in order to see scratches, i always clean that part with an old tshirt and when it showed under the sun i dont see any of those scratch marks...sooo im guessing the finish is scratchproof or im really stupid that there is a protector on it already that i cant tell from looking at it <_<
any suggestions?
Click to expand...
Click to collapse
not entirely accurate, i accidentally put keys and my phone in the same pocket (in my jeans) one day, when the worst thing happen, the bottom area got scratched, fortunately the screen had a screen protector but the bottom part didnt , i highly suggest getting it just to be on the safe side

I went with invisibleshield for the body and martinfields for screen/bottom buttons:
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The clarity on the screen part is amazing, and the bottom section is adequately protected. (note the scratch i got on it already, haha)

hardware qwerty keyboard key slightly pop-up

Hi
Yesterday I had a bit of accident - I've caught with my fingernail one of the hardware buttons for softkey actions and it slightly pop-up. Some photos:
http://my.opera.com/lwiczek/albums/show.dml?id=780762
the problem is it hinders sliding the keyboard back (i can push it and then slide keyboard but it's damn annoying ). I've tried to push it hard back (or something) with the hope it will "glue" itself back, but that didn't work. I don't know how the keys are attached to the rest of the phone but I'd be glad for any tips on how to fix it (preferably without taking the phone apart ).

The keys are all joined together with thin plastic between the kays. They do not contact the circuit board directly. Theres is rubber membrane layer after the keys and then another white layer with metal discs that contact the board.
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It should be possible therefore to put a spot of a soft (PVA type) glue under the key and hold it down until dry, without it damaging the keyboard.
Mike

Thanks, I've pull up a bit broken key (with the whithis foil under it), put a bit of glue and it seems to be fixed (tho it doesn't click anymore and it's harder to press, but at least sliding back works now :] )
Thanks!

lwiczek said:
Thanks, I've pull up a bit broken key (with the whithis foil under it), put a bit of glue and it seems to be fixed (tho it doesn't click anymore and it's harder to press, but at least sliding back works now :] )
Thanks!
Click to expand...
Click to collapse
Probably as good as you can do. The click is made by the little metal disc moving in and out. With the little bit of glue perhaps it softens the click but so long as it works. Well done.
Mike

As it turned out I've put a bit to much glue (what is 'too much' at this amount anyhow? (; ), and key got glued to the rest of the keyboard casing and got stuck permanently. I've tried to separate it, tho with little succes. I'm looking at it from the bright sight - at least there won't be any more any accidental sending of sms, and the another key (on the main part of phone) is still working
Thanks for help eitherway!
cheer

lwiczek said:
As it turned out I've put a bit to much glue (what is 'too much' at this amount anyhow? (; ), and key got glued to the rest of the keyboard casing and got stuck permanently. I've tried to separate it, tho with little succes. I'm looking at it from the bright sight - at least there won't be any more any accidental sending of sms, and the another key (on the main part of phone) is still working
Thanks for help eitherway!
cheer
Click to expand...
Click to collapse
a spot of a soft (PVA type) glue
Click to expand...
Click to collapse
Well as you say you can work around the problem. There are keyboards for sale on various websites so if it is a real problem it could be changed.
Mike

No, it's not a problem (as I said in previous post - i still have touch screen and another button). I was just updating the post with notice of my failure (;
Probably will be changin phone in few month either way

Axis-inversion bug with multi-touch?

I've read most HTC multi-touch handsets use a bugged controller that has an axis-inversion issue. You can test this yourself on all Android handsets by downloading the Multitouch Visible Test (Battery Powered Games) application from the Android Market. The Motorola Droid doesn't have this problem, so I've read.
For example, my HTC Magic (32A) will show this axis-inversion problem after performing a diagonal pinch gesture and then pulling my fingers apart again (while still contacting the screen), although it can take several pinches to demonstrate it. The phone will usually correctly detect the position of my fingers when I pinch, but when parting my fingers again the phone will believe my fingers are retreating to the wrong corners of my screen.
Can someone with an HTC Legend please test the screen with this application for me? Cheers!

Hi,
I just tested, and yes it is like on Magic, he inversed multitouch in few seconds, but then he is back on track.
So it is a HTC bug.

Thanks. If this device ever becomes available in Australia I think I will still consider getting one.
While the bug is still there, I don't think very many (if any) multi-touch gestures care too much about exactly where your fingers are. For the pinch gesture, it really only matters where your fingers are in relation to each other.
It sucks that there's a bug, but there's nothing we can do about it. And it's really a very nice phone in every other aspect.

Well, I didnt find this bad, and I am using it big time, internet, photos and stuff , so bug can be bug, but it is not bugging me

Here is a picture which I take for review of pinch to zoom:
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beetleman said:
Well, I didnt find this bad, and I am using it big time, internet, photos and stuff , so bug can be bug, but it is not bugging me
Click to expand...
Click to collapse
No, there are no bugs in a Legend.

Multitouch is as brilliant as it is easy. When 2 points on a touch screen are pressed. You get 2 X and 2 Y coordinates. Problem is, it is impossible to know where the actual fingers are at this point. There are 4 options for each finger (2 x and 2 y combined)
As you can see in this example, the light blue dots are your fingers. The dark blue dots are the other options for the software to consider. The lines illustrate what x and y range the software will get to determine where the fingers actually are.
Luckily, it is very rare for people to put their fingers on the screen at the exact same moment. Which gives the software a hint for where your fingers actually are.
And for most gestures (like pinching) it doesn`t matter where the fingers are.
This the type of capacitive touchscreen that is used by HTC. Apple however has a far more advanced type of touchscreen that uses more sensors then just x & y. The touchpad of a MBP can detect up to 11 fingers and still is very accurate. How many the iPhone can detect I'm not sure, but it certainly uses a more advanced touchscreen then HTC Android devices.

Few problems. If anyone could advice.

My phone is stock 4.4.2 with recent updates and not rooted. No issues at all just few small issues.
1) This is a weird one, if I play a video and sometime after closing video player the screen becomes like high sharpness, the white color in the screen increases. Its hard to notice but it does. But after turning off the screen and turn on again it became normal. Also I tried taking screenshot of both condition but all looks normal in that, only visually I can see that. Anyone see this issue ever?
2) Skype is very important for me for work and in its setting > Notification > I checked Vibration but it never does. Its notification sound cant change also its very low to hear outside. Please advice.
3) Spen: I dont know if its usual for everyone as I didnt tried any other Note 3 but in my phone the Spen is not responsive mostly at the screen edges. Suppose drawing a line it ends before the screen edge and mostly same all sides. I’ve a screen protector but that is not a thicker one. Its very thin so I doubt if the screen protector could cause this.

1- I notice that all the time ur not the only one
2- try clearing the skype data and reinstall it.
3- no problems with spen on my phone. I have a pretty thick screen protector on it as well. I didnt understand by unresponsive if u meant dead spots or just slower to draw but either way no problems on my handset.
Cheers!
Sent from my SM-N900 using Tapatalk

georgesmh said:
1- I notice that all the time ur not the only one
2- try clearing the skype data and reinstall it.
3- no problems with spen on my phone. I have a pretty thick screen protector on it as well. I didnt understand by unresponsive if u meant dead spots or just slower to draw but either way no problems on my handset.
Cheers!
Sent from my SM-N900 using Tapatalk
Click to expand...
Click to collapse
Thanks for your feedback.
1) Its good to know I’m not alone, and probably a OS fault. Hope on next update this will be fixed.
2) I don’t want to clear skype data as I don’t want to lose chat histories. Somewhere I read this will require to enable Vibration 1st on setting and then it will work. But I have already enabled vib for call. Don’t know if there have any other option in setting to enable vibration.
3) By unresponsive I mean it works flawlessly but I’ve to press it little hard on the screen to write properly. With firm writing or light gentle pressure if draw a straight line across the screen it creates a line like this ------------- gap ------------- gap ------------------------
Also it was not working on a particular spot (attached image) but today I found it was due to the flip cover magnet. If I keep the magnet away it works perfectly.
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