Questions relating to mobile computing devices, such as cell phones, tablets, and e-readers. Includes consideration for both small screen size as well as the mobile and "always on" nature of the devices.

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3
votes
2answers
193 views

The calculator app question: preventing users from entering illegal input

I know there are a number of ways to prevent users from entering illegal input: disabling buttons, showing warnings, and other solutions that fit the domain of the problem. However, the usual ...
8
votes
3answers
328 views

Is it ok for a mobile site to be a limited subset of the full site?

I'm working on yet another time-tracking web application. This application has, next to the normal site, a mobile version. Now I wonder, is it ok for the mobile version to be a limited subset of the ...
4
votes
1answer
168 views

Separate app for touch devices or one universal?

We have a web mapping application (front end is all Flex) that has been designed with the keyboard and mouse in mind. It is similar to a desktop based app, (think Photoshop) with toolbars, tables, ...
6
votes
4answers
652 views

Suggestions for a touch UI used to book seats on a bus

I am trying to design the layout for a Bus Ticket Booking App. User is allowed to choose the seats he wishes to book. Below is the layout provided to us. I am looking for some inspiration and ...
1
vote
1answer
371 views

Bus Ticket Booking Form - Mobile

While designing a Bus booking site - i was thinking on the number of inputs i will require for searching all the buses between two routes. The Web version contains these forms One Way/ Round Trip ...
14
votes
4answers
9k views

Breadcrumbs: OK to use on mobile site?

Wondering if anyone has thoughts on using breadcrumbs as a method of navigation on a mobile website (for a content site). The breadcrumbs would show the heirarchy of the site as such: Site > ...
8
votes
3answers
2k views

Are “submit” buttons important for forms on iPhone and Android apps?

When inputting text on the last text field in a form on an iPhone and Android app, the enter key can be highlighted or (on iOS anyway) renamed "done", so that tapping it will submit the form. ...
8
votes
2answers
2k views

Is switching to a selectbox navigation for mobile devices a good solution for complex menus?

An example of this functionality can be found in this site (shrink the browser viewport to see the selectbox navigation take over.) Is this a good practice? Wondering if anyone has any experience to ...
20
votes
4answers
2k views

How does use in bright sunlight affect how a web site should be designed?

We're building a mobile web site that will mainly be used outdoors in bright sunlight. What design factors should I consider?
7
votes
6answers
713 views

How do you indicate that a UI element affords sliding, without using an actual slider?

I'm designing an interface for an Android app that would allow the user to control the pitch, tempo, volume, etc. of some music playing in the background. Here's what I've sketched so far: I ...
17
votes
1answer
325 views

Is there any in-depth data on tappability of touchscreen areas?

I'm looking for statistics or other objective evidence on the tappability of different areas of handset screens. When I say tappability, I'm referring to speed, accuracy, and general ergonomic fit for ...
8
votes
5answers
614 views

Do icons need labels on mobile apps?

There have already been studies that prove labelling icons enhances usability on desktop applications. This is why Microsoft Outlook started labelling its icons. Does the same logic apply to ...
7
votes
3answers
2k views

Mobile Website: navigation at the bottom of the page with an anchor link at the top

On a mobile site I'll be putting the main navigation at the bottom of the page so that the main content is visible without having to scroll past lots of navigation options. (As per w3c ...
0
votes
1answer
244 views

Social sign in while using mobile applications

The use of social sign on buttons to get people to log into web based applications is pretty common and has become quite a norm but I am wondering if the same logic could be extended to mobile ...
1
vote
2answers
389 views

How to indicate top level menu not clickable?

Working very test example here: http://learntango.webfactional.com/ I am working to make my Argentine Tango website more friendly to new devices mobile touchpad etc I (the tango teacher) am ...
8
votes
5answers
834 views

On mobile phones why is the green (call) button at the left and red (hang) button at the right side?

Some old mobile phones have switched position of green/red buttons. Currently the green button is at the left and red button is at the right side on mobile phones. Why? That is rationale? Which ...
5
votes
4answers
501 views

One charger for all cell phones

I'm sure you all have experienced the same problem. The scenario is simple. You have forgotten to take your cell phone's charger with you, and your phone is going to be turned off, because it lacks ...
5
votes
2answers
418 views

In RTL locales, should mobile application animations be reversed?

In mobile applications, it's common to drill down with the new view animating in from the right. Going back results in the opposing animation (from the left). These are analogous to turning a page. ...
2
votes
1answer
117 views

How to present a feature in an iPhone app that is only available for certain locations

I am working on an iPhone app for a real estate client. We want to use a "look up by MLS number" feature that, due to MLS restrictions, will only be return results from the region in which the client ...
4
votes
5answers
759 views

Scrolling vs. Pagination for a Mobile Order Form

Ok here is my windows mobile application for ordering system. As client requested i added a next page button (the button after the +). This turns a page with preferences of a product. However most of ...
104
votes
19answers
8k views

How could one prevent drunk users from using a mobile application?

Consider a mobile application which for some reason needs to prevent drunk users from using it (e.g. to avoid dreaded "drunk dials" or "drunk texts"). How could "sober authentication" be executed from ...
3
votes
2answers
418 views

Need for search button next to a search box on a mobile web site

Do you need a search button next to a search box on a mobile website? On the iPhone for example the Enter button appears next to the standard ios5 ui keyboard.
2
votes
1answer
97 views

Mobile: Suggested Dual-Action for settings

We currently have the problem of having a 'setting' needing to perform 3 different actions. See below: The circled setting needs to perform these 3 actions. (A)The user needs to quickly toggle the ...
4
votes
4answers
183 views

Are “About” views necessary in applications?

I am currently assisting in the development of an app for mobile and the web. Someone recently pointed out that we haven't discussed the "About" view yet. My first reaction was, "Do we need one?" An ...
3
votes
2answers
801 views

Will users scroll the autocomplete results on a mobile device?

I am working on search functionality for a mobile website. We are using a drop down list of smart auto complete suggestions so that the user won't have to type as much. In this case, a travel app, the ...
3
votes
2answers
167 views

Where would you put the 'take' button on a touchscreen phone camera app?

Imagine a simple camera app for a touch screen phone. The app can't use any hardware buttons and needs no other controls than one button to take the picture. Some things to consider/ideas: Phone ...
3
votes
3answers
182 views

How do you convert computer users to mobile users?

How do you convince your computer users to try out your mobile app? The problems I see are: Detection - There's no way to read people's minds and figure out what phone they use based off of what ...
1
vote
3answers
1k views

Detail disclosure button for non-iOS devices

On iOS devices, Apple uses a Detail disclosure button for additional details that are aside from the main list navigation. The image below is taken from the iOS HIG. Another example of this can be ...
1
vote
3answers
1k views

Tap, Double Tap, Long Press [closed]

What are some good general principles to keep in mind when designing and developing mobile application with touch interfaces?
13
votes
4answers
388 views

What's the Best Interface for Entering Canadian Postal Codes on a Smartphone Keyboard?

Typical smartphone keyboards are modal. There is usually a basic QWERTY/Basic punctuation keyboard by default that can be switched to numeric/extended punctuation mode. This works reasonably well ...
1
vote
3answers
2k views

Tap to hover and double-tap to click?

One of the limitations in mobile design is the lack of any sort of hover state. This is especially problematic when it comes to tooltips. So why isn't the system one where: single tap = hover and ...
5
votes
3answers
1k views

Universal blog icon? [closed]

How do I tell users I'm referring them to a blog? This is within a mobile app. I realize it could be a Wordpress/Tumblr icon, but that's subject to the company's logo change and I was just wondering ...
5
votes
3answers
475 views

On Android, how do you design a very shallow navigation?

I need to create a simple account section in my mobile app with 1-level deep navigation: ___ Register / Account -- \___ Login On iPhone, I'm using a grouped table ...
6
votes
2answers
540 views

What should be the maximum length of a page on Mobile Website?

What should be the maximum length of a page on Mobile Website? I'm making a website in which some pages are long because of lengthy articles. Should I divide long pages into multiple pages? Should I ...
4
votes
2answers
462 views

Best way to handle mobile website terms and conditions?

A form I am optimising for mobile has specific references to terms and conditions in numerous times (not just at the end usual checkbox, for example "We need this detail to sometimes contact you, read ...
4
votes
4answers
2k views

Date input on mobile devices

I am designing a web form optimised for touchscreen mobile browsers, one of those fields is a date of birth entry. On the web form it is currently split into 3 select boxes (one for day, month and ...
2
votes
1answer
99 views

Predefined phone number on а mobile form

User fills out a form on mobile site (not app). Is it possible to predefine his mobile phone number in the form?
13
votes
8answers
3k views

Responsive web design Vs Separate website for Mobile

Responsive Web design is buzzword these days. which means to create a same website and optimized for all devices. There are also some website which convert the desktop websites into Mobile website ...
4
votes
5answers
342 views

Sorting photos in mobile app

We're currently developing an app for posting classified ads where the user is able to upload up to 10 photos per ad (from camera or library). The app will be available for Android and iOS (with ...
1
vote
4answers
473 views

What UI design should I use for a smartphone app?

On desktop platforms, using the system's control styling, etc. is a very common practice and changing it ("theming") is usually looked down upon unless the application specifically calls for it (like ...
0
votes
1answer
575 views

Is a fixed footer menu in a web app bad practice?

We are building a (non-native web app) that looks and behaves like a native iPhone app (using jQuery Mobile). Now the client wants a fixed footer menu which reduced the screen estate. Is a footer menu ...
9
votes
5answers
550 views

What's the best way to implement product comparison on a mobile web site?

I have found only one example of this so far (Best Buy) and it is not very well executed. I'm wondering if there are any good examples of mobile sites that allow product comparisons, or if perhaps ...
3
votes
1answer
259 views

Search input on mobile device

I'm designing an mobile-web-app (ie: not a native app) for touchscreen smartphones. When you add a search input, do we need to add the search button (for processing the search) or use the one present ...
2
votes
2answers
397 views

Alternative to “Hover For More Information” Controls

I don't like modal popups, because they force you to close them before you resume normal input -- and because they tend to dominate the screen. When I made Valence, I had a dilemma: where do I put ...
3
votes
2answers
1k views

What are some good resources for mobile form design?

I'm looking for some good resources on mobile form design. There seems to be a lot for web forms, and a lot of that translates well. But a lot translates poorly when you have restricted screen real ...
5
votes
3answers
310 views

What would this widget be called?

What is this control that is used to select an item in this screenshot called? This is also in the latest Facebook for Android update. What is it called?
7
votes
4answers
176 views

Suggested mobile approach to dual actions

Let's say that you have a list of books that you want to show in a mobile application. From that list you want someone to be able to either drill down to a chapter list, or go to a page showing book ...
14
votes
2answers
9k views

'Scrolling divs' in mobile land. Yea or nay?

An interesting problem/challenge came up this week where some mobile designs requested a part of the screen be scrollable. This is quite common on desktop sites--typically a little scrolling box for ...
2
votes
1answer
685 views

iPhone button on screen with table view: last row or outside table?

I have a table view that's showing attributes of a record, very much like Edit Info screen in the iOS Contacts app. Also like that screen, I'd like to show a "Delete Record" button at the bottom. It ...
6
votes
4answers
215 views

What's the best terminology for switching from a mobile site to the “full” website?

I've seen links to switch to the "Classic" site or the "Standard" site and I was just wondering if anyone did any testing with this. I like the sound of "full" but I have nothing to back it up. Any ...