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The touch panel and the associated controller does not have that ability AFAIK.
The device driver or OS might have.
Like with the new edgeless smart phones that sometimes ignore touches on the borders.
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Jochen Arndt wrote: They require shutting down the system to clean the screen.
Not so. My touch-screen apps include a "clean" operation. It opens a full-screen window that displays a 30 second countdown and ignores mouse clicks (our touch screen hardware simulates a mouse).
Software Zen: delete this;
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Really, it depends a lot upon how lonely they are.
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Even with "pair programming"?
TOMZ_KV
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Nothing changes - one of them still just likes to watch.
| Ravings en masse^ |
|---|
| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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I find even the smallest smudge on my dev screen a huge distraction and can't get work done till it's gone (turn-off - easier to see smudges against black.)
No way I'd entertain a touch screen (and even more when there's going to be other people "helping".)
Once had an ant get in my screen behind the front layer, I figured it'd die in a day or two so first thought was just leave it. 10 minutes later I had the thing disassembled. There's now gouges in the casing (sides) from levering off the snap-on front with a screwdriver - dont care about that - as the display area is clean.)
Installing Signature...
Do not switch off your computer.
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Lopatir wrote: Once had an ant get in my screen behind the front layer
That was a real computer bug. 
TOMZ_KV
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Well, I don't have one. But ...
After I bought the WookieTab and got used to using it as a Win10 Pad, I found myself getting frustrated that my desktop screen didn't respond when I tapped it...
I could see a touchscreen dev machine being really pretty useful, but not essential. I suspect that (just like dual monitors) once you were used to it, it would really slow you down to go without.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
modified 28-Nov-17 10:21am.
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Most daily business apps, for example office apps, do not require touch interaction. Until business needs arise, a touchscreen will not be essential for developers.
TOMZ_KV
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Being contrarian, I quite enjoy using a touch screen on my laptop for scrolling, and I wish applications were designed to be more usable -- think Minority Report. Unfortunately, because my laptop is my main "desktop" platform and sits to the side of two large non-touch screen monitors, and because the whole setup is at arms length, it's quite inconvenient to touch unless its actually sitting on my lap. 
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I have two monitors too linked to my laptop that sits in a corner. I rarely touch the laptop screen.
TOMZ_KV
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My newest laptop has a touchscreen. The only time I've ever used it was when developing a web application for POS terminals, and a few times since when demoing the same application at trade shows. Honestly, I'd like to find an easy way to disable it as I have a colleague who has problems with depth perception and will occasionally tap the screen accidently! 
"Go forth into the source" - Neal Morse
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A new project for touchscreen makers: the difference between intentional and accidental touches. 
TOMZ_KV
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I have no use for one. It's (much) easier for me to use a mouse to click than tap on the screen. Same for Ctrl/Mousewheel vs. pinch to zoom.
/ravi
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Keyboard shortcuts seem to be used more often than a touchscreen.
TOMZ_KV
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/ravi
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 I had a touchscreen for development back in the late '80s. 
 What took y'all so long? 
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MacSpudster wrote: I had a touchscreen for development back in the late '80s.
Must be very expensive then.
TOMZ_KV
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$400 for a 9" touchscreen for the then Mac Classic/Classic II.
$815 in today's dollars ~ CPI Inflation Calculator[^]
The first person that replies to this comment gets $200.
(Well, actually, anyone can get "$200" via copy/paste...  )
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That is the cost of an iPad today with a similar screen size. Not as expensive as I thought.
TOMZ_KV
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Tomz_KV wrote: Are there any good reasons that developers need a touch screen dev box?
Absolutely yes. I've been developing touch-screen apps since 2000, which obviously predates smartphones. I've used far too many phone apps that fail basic touch usability metrics:
- Touch targets are too small
- Targets are placed too closely together
- Icons that indicate a target don't accurately delineate the target area
- Text used as a touch target (finger obscures needed information, plus text is weak for positioning cues)
- Target layout without regard to tasks
I attribute a lot of this to the use of emulators and the mouse in place of testing on real devices with real fingers. I know a lot of app developers can't afford to buy several devices for testing purposes, but they could at least test on a representative of each class of device: small screen smartphone, large screen smartphone, small tablet (7"), large tablet (10"), laptop.
For example: one of the apps I use on my phone every day requires that I rotate my index finger 90° in order to hit one target at the edge of the screen. A normal finger press does not work. A mouse is a high-precision pointing device. A finger is not.
Software Zen: delete this;
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 Thanks for sharing your experience!
TOMZ_KV
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You're welcome.
Software Zen: delete this;
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Gary Wheeler wrote: I attribute a lot of this to the use of emulators and the mouse in place of testing on real devices with real fingers. I know a lot of app developers can't afford to buy several devices for testing purposes, but they could at least test on a representative of each class of device: small screen smartphone, large screen smartphone, small tablet (7"), large tablet (10"), laptop.
I haven't done nywhere close to as much touch work as you have, but I fully agree.
And lest any bean counters freak out, you don't need to buy one of each of the 5 classes of test device for every developer and tester; just enough that there's at least 1 per person working on it a time and at least 1 full set available to be shared around as needed so the testers can try all form factors and the devs can have access to a problematic form factor as needed to fix things.
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies.
-- Sarah Hoyt
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I think it is not necessary Developers only need good laptop/pc. Touch screen is suitable for designer
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