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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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Can a MouseMove EventHandler be triggerd with use of touchscreen?

I write a WindowsForms-GUI for a touchscreen and used the auto-logout Code from How can I trigger an auto-logout within a Windows Forms Application? but i'm wondering if a tochscreen can trigger a MouseMoveEvent(Dont have a touchscreen to test). I…
mono
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Overriding onTouchEvent with Flixel (Android port)

So I followed Mathew Casperson's Making Games on Android Tutorial and got a small game running a few days ago, now I am trying to switch the controls to touchscreen instead of the D-pad. I am running into some problems and was wondering if anyone…
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How to scroll ListBoxes naturally on the touch-screens in WPF application?

I am developing WPF application which will be executing on the 21-inch touch-screen. Along with ListBoxes in my application I have vertical scroll-bars for each of them. What I want is to get rid of those scroll-bars and just allow user to scroll…
Peter17
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How to make the Windows OSK open when a TextBox gets focus, instead of requiring users to tap a keyboard icon?

We are working on a WPF application in .NET 4 that will be used with a touch screen. We are trying to use the built-in Windows OSK for our input, and the last remaining issue is to get the keyboard to open up as soon as a text box gets focus. …
Valerie
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Drag-and-drop and touch events not available in Chrome with a touchscreen on a Windows PC

The following code logs all keyboard, mouse, touch events. On a Windows PC (tested: both Win10 + Win7), with a touchscreen (Samsung), I noticed that: drag-and-drop works on the Desktop (Windows Explorer: you can select files) with a touch tap +…
Basj
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How to prevent a HID device from being claimed by Windows so that it can be opened in .NET code for direct access

I am trying to prevent a USB HID Digitizer device ( touchscreen ) from being claimed by Windows 10 as an active HID device so that I can open the device using C# to access it directly through code. There are 3 goals: Prevent Windows from reacting…
user1689175
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How can I modify event data on dev/input/event#?

I want to modify event touchscreen data from dev/input/event# by doing following, but not success. Can any help? Open dev/input/event# with RDWR permission Use ioctl with EVIOCGRAB to grab event data Read data from /dev/input/event#. Everything is…
Thai Nguyen
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On-screen keyboard for Windows apps (C++/C#) with touch-screen capability

Going to make an applications wich will be used on a device without a physical keyboard Looking for best practices for touch-screen applications. Which commercial/free on-screen keyboard or on-screen numeric keypads do you use on Windows devices? Or…
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Android Studio Emulator no more considering Swipes on Notebook Touchscreens as Input

I upgraded to Android Studio Bumblebee 2021.1.1 and realized that I cannot fully control the emulator with the touchscreen of my notebook anymore. Press events on the touchscreen (like mouse clicks) are still recognized correctly, but when I swipe…
Sniffit
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Why does right click not work on ChromeBook?

I try to code an application with C++/Qt which runs on Windows, Mac, Chrome OS ... On my ChromeBook, the Right Click (to show the default context menus on lineEdits (copy/paste...) or to show custom context menus) does have the same comportment than…
a.hammouten.GT
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How to manually trigger the mouseleave event on a mobile device

I want to change a link color to orange on hover. On a mobile device, when the user touches the link, it becomes orange and will remain orange until the user clicks away. So I want to manually trigger the mouseout event so that the link looses it's…
Hooman Bahreini
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Read coordinates of a 4-wired-resistive touchscreen

I connected my 4-wires-Touchscreen with an Arduino Mega2560. I used the guide from: https://www.instructables.com/Resistive-Touch-Screen-on-the-DP32/. But the coordinates I'm getting from the output of my touchscreen arent't exactly enough. While…
futurepi
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How can I force Pygame 2.0.0 to use the latest version of SDL?

your help on the below would be highly appreciated. I am working on a python project for a RPi touch screen application. This comes with some issues on SDL 2.0.9, but are supposed to be solved in later versions. I have installed 2.0.14 through…
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Confused with android.hardware.touchscreen

I'm going to support Android devices not equipped with touch screens putting in manifest But still I do have some doubts. E.g. essential part of my application UI…
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Accessing raw capacitive touchscreen data

I wanted to get access to the raw capacitive touchscreen data on my android app. I noticed the following link walks through the steps to do this. http://huyle.de/2019/02/12/accessing-capacitive-images/ However, it uses LG Nexus 5 phone and requires…
Jeff Boker
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