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Questions tagged [user-interaction]

User-interactivity is the dialog that occurs between a human being and a computer program.

326 questions
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How to make a C program stop a loop from any user input?

I would like to writing a small C program that runs an infinite loop until the user presses a key on the keyboard (ie: there is a char in the stdin buffer). I am running into trouble breaking the loop on user input. I have tried using fgetc but that…
recursion.ninja
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Creating an interactive program in Haskell

I had to write 3 functions: one to convert Fahrenheit to Celsius, one to convert Celsius to Kelvin and a third that converts Fahrenheit to Kelvin using the two first functions. I've never played with Haskell before so this took me a relatively long…
Mark Smith
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Any other option for Making a UIButton look disable?

I am trying the following code to make a UIButton look Disabled : btnYourButton.alpha = 0.6f; btnYourButton.enabled = NO; While making is enabled(and of course to look enabled) btnYourButton.alpha = 1.0f; btnYourButton.enabled = YES; Isn't there…
Krishna
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System sequence diagram - Can system request input from actor?

in uml - system sequence diagram, can the system ask input from the actor (see attached picture) In my example, the scenario is: system is prompting a confirmation input from user and user is to enter in the input. Wondering if this is the correct…
dissidia
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Android contentView disable user interaction?

I want to disable the user interaction in an activity so that the user cannot touch the view/ subviews inside the content view of the activity. Is there any way to achieve this?
Mahadevan Sreenivasan
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Swift - How to make UIButton tap Interaction only on the image attached and ignore transparent parts

I am creating buttons with different image shapes... Everything is working but if for example, a diamond shape is created, you can click on the transparent part of the button. I managed to set up the shadow to respect the shape of the button so it…
STerrier
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Detecting left and right swipes on Fragment

I am trying to get left, right, top, and bottom swipes detected on Android fragments. Using a couple online resources, such as this great answer on Stackoverflow, I now have up and down swipes being detected. However, it is not working for left…
Logan Phillips
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UISwitch within UITableViewCell not working

I have added a Prototype cell to my UITableView which has a UISwitch and an UILabel. When I run the app the UISwitch and UILabel display fine as expected, but some how I can not interact with the UISwitch. I can not toggle it between On or Off. I…
user3034944
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Core graphics and UIKit interaction

Hey all, I'm am trying to make a very interactive UI with lots of animations and effects. But I don't know if: Core graphics can support user interaction (touches, drags, etc) Core graphics supports object rotation Core graphics can interact with…
Daniel Node.js
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Prompt user for confirmation in the middle of a process

I'm looking for a good approach to sometimes pause an action (function/method call) until the user confirms that he wants to do a specific part of that action. I need to do this in an environment that doesn't allow code execution to stop…
Alin Purcaru
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Ncurses: how to refresh a menu without losing current position?

How can I reload the data in a menu without losing the current position? For example, when a user "selects" an item, and an action is performed that changes the data. (Either updating the item, removing it, or adding a new item to the menu.) I'd…
Sauce McBoss
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How to normalize sequence of numbers?

I am working user behavior project. Based on user interaction I have got some data. There is nice sequence which smoothly increases and decreases over the time. But there are little discrepancies, which are very bad. Please refer to graph below: …
Adorn
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How to detect user inactivity since last touch on a particular viewcontroller in iOS?

I need to perform a particular action in a view controller when user don't touch a particular screen for 3 seconds. How can I do that in iOS?
Rafay
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Disable user interaction for NSImageView

I have 2 sets of images. One set contains draggable ones and other is a static set. I have implemented drag-drop functionality for the draggable images. This is because the images needs to be dragged to static ones which contains matches. Now after…
Eshwar Chaitanya
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Python: Return coordinate info on mouse click

I would like to display an image in python and allow the user to click on a specific pixel. I then want to use the x and y coordinates to perform further calculations. So far, I've been using the event picker: def onpick1(event): artist =…
user3560311
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