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Questions tagged [touchscreen]

A touchscreen is an electronic visual display that can detect the presence and location of a touch within the display area. (Wikipedia)

A touchscreen is an electronic visual display that can detect the presence and location of a touch within the display area. Wikipedia

Newer touchscreen electronics are generally capacitive whereas older less expensive designs are resistive. Resistive screens need physical contact and are more prone to wear.

See also:

  • for issues in programming touch interfaces.
  • for issues with multiple touch interfaces.
  • for question about different finger/stylus motion in a UI.
  • for question about using the touch hardware to recognize a gesture.
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Why does google.com look different on blackberry & phonegap vs. blackberry & browser

I'm tyring to get phonegap up and running on blackberry storm (9530 simulator). I had been testing my webapp from withing BB's built in browser, and it was looking ok, but then it totally bit once I tried to look at the some code from within…
JJ Rohrer
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How to get raw touchscreen data?

I know I can get touch events in my iPhone app. But these touch events are filtered for me. If I press the device against my face, it filters out these touch events because it can detect its not a finger. How would I get the raw touch events, not…
Isaac Waller
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Portrait screen touch vertical rotation on Ubuntu 20.04 doesn't work

I have an ubuntu 20.04 system, so if I change my screen to portrait vertical, touch doesn't work well. It seems to be X and Y inverted. Does anybody know what's happening?
Cris
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WPF Resize Windows

I maintain a touch screen application that I'm re-writing into .Net. Through the years the resolution of the touch screens has increased greatly. Not only is the resolution higher, but the pixels are also much more dense making it harder to…
Jeff
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Android fake touch screen

Is it possible to generate a fake touch at a particular point (say (x,y)) on the screen from the code? There is a button on my activity and I dont want to click it through touch screen? Is there any way to achieve this?
user785461
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Smallest button size on a touchscreen

I'm involved in writing a touchscreen application for a medical device. The program is kiosk-like, in that the start menu, etc, will not be accessible to the user, and the user will use an onscreen keyboard to type any text in the rare event that…
mmr
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Framework recommendation for interactive multitouch application

We are currently developing a multitouch multiuser application which runs on a big touchscreen table. Obviously the application has a lot of animations and transformations included, i.e. moving and rotating UI elements around using touch gestures,…
C0dR
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Android multi-touch headaches

I've getting a real problem trying to deal with multi-touch events. Basically I need to detect if someone has released a finger while touching the screen elsewhere. According to this previously answered question, I should be using…
Kevin
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Qt::Popup breaks QScroller kinetic scroll?

First of all my problem is reproducible only on device with touch screen, with PC/mouse all works fine. The problem that if I use QTableView + QScroller as standalone window all works fine - I move finger from bottom to top content scrolls down,…
user1244932
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Disable pinch zoom and multi touch gestures in windows 10?

I hooked up a LG 23ET63 multi-touch monitor to my windows pc Windows 10 looking to run a site on Chrome in kiosk mode. But currently I have facing some problems trying to disable pinch zooming on every browser I've tried. I've tried the following…
wsgg
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Android device detects only 2 fingers max but feature JAZZHAND exists

I need to detect 3 fingers in my app but some devices can only detect 2 touches max. But all multitouch features are present when I check: hasSystemFeature ( "FEATURE_TOUCHSCREEN_MULTITOUCH" ); >> TRUE hasSystemFeature (…
Benoît Freslon
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iPad: touchesBegan not being called when dragging finger from upper screen border

I am writing an ipad application where you can drag around the screen with 1 or 2 fingers. I use the touchesBegan, touchesMoved and touchesEnded methods to recognize the touches. I have multipletouches enabled for the view. Now I have recognized one…
Andreas Scholl
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Anyone have pointers on how to access a touchscreen on Raspberry Pi with Android Things?

This question is broken into two parts: Are there guides on which touchscreens 'work out of the box' with Raspberry Pi3 + Android Things? Its easy enough to stick HDMI screen on get output, but touchscreen is not so clear. I'm reading conflicting…
Bernard
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Touchscreen calibration for Raspberry Pi in JavaFX is not working

I am using: Raspberry Pi Model B (Rev 1.0, 256Mb); cat /proc/cpuinfo returns for Revision 0002, Raspbian Jessie with PIXEL (Version: November 2016, Release date: 2016-11-25, Kernel version: 4.4), Java is preinstalled with Raspbian Jessie (java…
Ladislav Török
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Windows XP - monitor process & relaunch process if it crashes

This is my first windows question so apologies if this is obvious or badly worded. I have a touch screen station that runs Opera in Kisokmode (http://www.opera.com/support/mastering/kiosk/) which is great and works perfectly. I want to be able to…
Jake N
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