Tagged Questions

3
votes
3answers
135 views

When filling out a form to what extent should validation be done while the user is still typing?

I'm working on a registration form and it validates some parts while the user is still typing. For example, the username is being checked after each character is entered to see if it is available or ...
1
vote
1answer
134 views

iOS and UITableViewCell: best practices when requesting user input as a form

Firstly, I'd like to make a general question regarding table view cells' customization: are there any restrictions about the controls they can cointain, and/or its number? I read in iOS HIG iOS Human ...
2
votes
3answers
170 views

What is the best approach to disallow an empty search?

I want to disallow users from searching without a query string (at least one character). To achieve this, I tried to disable the search submit button when the search box is empty, and restoring the ...
3
votes
2answers
120 views

Automatically limiting or correcting numeric input field values

The application interface I am working on has an slider to select a number, but offers a text input field next to it. This allows reading the currently selected value, but also supports keyboard ...
2
votes
1answer
1k views

Required field validation error message – Next to field vs. in a Popup

In our application, we mark all the required fields with an asterisk and when user tries to perform an action without providing values for all the required fields, we display an error message next to ...
5
votes
4answers
387 views

Should URL input fields automatically prepend http:// if the user leaves it off?

If I ask a user for a URL, and they type in something like 'www.google.com', should I assume they meant http://www.google.com?
4
votes
2answers
130 views

Validating Phonewords/Vanity Numbers

I am redesigning a system where the user can enter various contact details for associates via a personal details form. In this form there is a phone number input field. After a phone number is ...
17
votes
3answers
1k views

Character limits on fields - pros and cons and best practices?

Some of our form fields have character limits. We're debating whether we should reflect the current size of data entry, or to simply hard-limit and inhibit data entry beyond that size. In HTML, ...