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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114
votes
19answers
10k 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 ...
99
votes
3answers
5k views

Psychology behind $0.99 for paid apps, but $1.00 for donation apps?

I've noticed a trend (at least on the Google Play store) of application prices ending in x.99, while 'donation' apps usually end on the dollar. I see the reasoning behind the psychology that makes a ...
94
votes
14answers
19k views

CAPTCHA on mobile: what are the alternatives?

From a UX perspective, CAPTCHA's are bad, bad, bad. But let's say we have this as a requirement. And it's for a hybrid app (compiled app, but built upon an HTML5 platform). I'm trying to find out: ...
54
votes
10answers
5k views

Should users be forced into a responsive design (without the ability to opt out)?

There is nothing worse than getting automatically redirected to a mobile version of a site, and not having (or not easily finding) a "view normal site" link. It's not just that the mobile site is a ...
50
votes
3answers
3k views

What is the proper way to inform users that their device can't be supported for a weird reason?

Apple has disregarded W3C standards by replacing the HTML5 video player with their own full-screen only video player in all iPhone browsers. Apple even went as far as to make it impossible to ...
37
votes
14answers
6k views

Should Mobile-optimized sites allow Zooming?

Zooming is common on mobile because sites aren't designed for it; you need to zoom, generally, you don't want to zoom around. Mobile sites are supposed to not need any form of zooming, and often ...
36
votes
8answers
5k views

Should the hamburger menu close only on icon click or on click outside as well?

We are using a hamburger menu on the mobile view of our responsive website, http://edmdesigner.com There's a debate going on in the team: a) Should the hamburger menu close if you click/tap outside ...
34
votes
10answers
2k views

What's the point in electronic devices beeping on keypress?

Many electronic devices, mostly cell phones, by default beep on keypress. What's the point in that? Once a key is pressed their state is changed and that's reflected in the graphic interface anyway. ...
30
votes
5answers
23k 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 > ...
29
votes
5answers
15k views

Do material design's floating action buttons provide a bad UX?

Google's material design largely focuses on clean visuals and a good user experience, but there is one feature that I have questioned: floating action buttons. This is a large button that appears in ...
28
votes
12answers
7k views

Why don't mobile apps have a 'close' button?

I'm a fairly new user of Android and i'm annoyed by the fact that almost all apps lack a "close" button. Is there any reason why developers don't make such an option?
27
votes
4answers
13k views

How do people know to “double tap to like” in Instagram? What did Instagram do to make users aware of that feature?

I was wondering about How people know to Double Tap To Like in Instagram? I'd like to know what Instagram did to make that UX decision. I have even asked people who use Instagram "how did you know?" ...
26
votes
17answers
8k views

Tools for creating mockups for mobile device UIs [closed]

I am looking for tools that can help me to create UI mockups for different mobile phones such as iPhone, Android and Windows Phone 7 devices. Is there any application that can do this?
25
votes
2answers
1k views

Should I follow the Android guideline or keep my app's own style when porting it from iOS?

My new project is to port an iOS app to Android platform. Before get started, I'm quite confused on whether I should follow google's guideline since some big titles on Android platform still keep the ...
25
votes
5answers
3k views

Any Research on User Experience Perceptions of Native Apps vs Web or Hybrid Apps

My organization is looking at developing mobile applications, we have a wealth of web development resources. There are many factors to consider in making the decision of how to develop this ...
24
votes
7answers
21k views

Hamburger menu icons - should they be on the left or right?

Hamburger menus (the three small horizontal bars: the new menu icon). Should they be on the right or left? I'm only thinking of mobile and tablet applications. The pattern I see the most is on the ...
24
votes
9answers
5k views

Are hover states necessary?

We're having a discussion in the UX department here at work as to whether or not hover states are necessary to a UI. We're kind of divided. Here are the two arguments: Against (started the ...
23
votes
3answers
2k views

Should mobile modal popups be movable?

As I see this answer from @JDB stating I hate it when a modal dialog appears asking me to confirm an action and the only way I can confirm that, yes, this is the record I want to delete, is to ...
22
votes
7answers
4k views

Does rating on both extremes indicate UX issue? [closed]

Our App has Ratings in both extremes equally, does this mean our app has a UX issue? Some users are die hard fans of our app and others are haters, based on the reviews. We are confused on how to fix ...
22
votes
4answers
548 views

Should a mobile media app lower volume or pause?

When designing mobile media apps (specifically audio-only ones), what should they do when a notification comes in and phone volume is on? I noticed two different behaviors on my phone - Spotify will ...
22
votes
5answers
4k views

Sign up: Double opt-in still best practice? What about mobile?

Everybody knows the normal registration process: Fill in sign up form Wait for email Click confirmation link in email Done (signed in & confirmation by email) IMO this process works because ...
22
votes
4answers
3k 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?
22
votes
5answers
20k views

What are the best practices for tooltips on mobile websites?

What are the best practices for tooltips on mobile websites? I'm designing the mobile version of a website for customers' accounts (where they can see their latest bill and settings for their ...
21
votes
6answers
9k views

How to best indicate navigation menu on mobile

What's the best way to indicate the navigation menu on mobile devices? I see this three-bar icon being used a lot, but do users really understand what it means? Wouldn't a button simply saying ...
20
votes
8answers
2k views

Is shaking a device to refresh an accepted behavior?

I have an app that displays downloaded information that is cached. I could use valuable space to include a button that is used to re-download the information, or I could simply add a "shake the device ...
20
votes
4answers
4k views

Is there a better solution than breadcrumbs to cascading categories on mobile?

I am working on a mobile application (Android ICS based) where I need to show a lot of products on screen. Now the products are categorized in several categories which are on X level, where X is ...
19
votes
8answers
7k views

Should we provide “back” button for mobile website?

In mobile website for all smartphones (iPhone, Android, Blackberry, Windows phone 7), should I provide a "Back" button inside the webpage even when the browser has functionality to go to back? ...
19
votes
6answers
1k views

Custom rating slider

I have made a custom interface object to handle user rating in a take-away app I am currently building. But I am not sure if it's intuitive enough in its form. Q : Would you understand an object ...
19
votes
4answers
18k views

How should modal popups and tool tips be handled in responsive websites?

I am reviewing some website wireframes from a client and have decided to make the new site responsive. I've had pretty good luck so far with responsive theming and design from a few past projects and ...
18
votes
9answers
8k views

How to improve the smartphone keyboard layout?

I have loads of problems with the small keys on my smartphone as my fingers cover them completely. I guess most people have the same problem. The Qwerty keyboard layout was designed for ten-finger ...
18
votes
3answers
2k views

Multiple notifications for the same thing

I am not a UX expert but since I work in internet space I have some interest in it. I am slightly bothered by multiple notifications for the same thing I receive on my mobile phone (I use android). ...
18
votes
2answers
2k views

Is swiping up/down better than swiping left/right for changing months on a calendar?

I have created a custom View to display a Calendar in Android. The display is always 1 month. I'm using a swipe to the sides to switch months. Now I have seen some other Apps (including the installed ...
17
votes
6answers
2k views

Is there any evidence to back up the theory elderly people won't know how to use a smartphone?

I was discussing with my boss earlier and he mentioned that the app I am currently designing for iOS and Android will be used by elderly people. We then began to plan around the same old theory that ...
17
votes
4answers
711 views

Which UI options are suitable for a mobile search result page?

In our information dense digital world, search is crucial. So is the search result where there are a lot of help for users. But on mobile devices, the screen is very limited, which makes the use of ...
17
votes
3answers
4k views

Asking feedback/rating for a mobile app?

p;                                  ...
17
votes
1answer
401 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 ...
16
votes
2answers
798 views

Should I put “.” at the end of messages for mobile users?

Should I write "." at the end of messages displayed to the user in my mobile Android application? For example: High bandwidth required, switch to WiFi. or High bandwidth required, switch ...
16
votes
3answers
3k views

Best practices for scrolling and navigation on touch interfaces: horizontal vs vertical

It's well known that on traditional (mouse/keyboard) interfaces horizontal scrolling goes against user expectations, however in touch devices the matter is not so clear. Are there any best practices, ...
15
votes
4answers
7k views

How to design identical UI for cross platform Mobile app?

One client wants to make a native apps for iPhone, Android, Blackberry and and Windows phone. But he wants to make the look of UI identical on all devices as much possible. 1) Is it technically ...
15
votes
4answers
809 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 ...
15
votes
5answers
2k views

How to represent level of difficulty while selecting a game?

I am working on a menu to select from various (3) game variants shown from top to bottom, each variant offering different difficulty levels. The difficulty will be selected by swiping (touch input ...
14
votes
5answers
2k views

Use of TWO hamburger menus in mobile app

I have a client who INSISTS on using TWO hamburger menus in their app: one in the top left, one in the top right. This is to basically mirror functionality from two related websites: one uses the left ...
14
votes
1answer
2k views

Are there premixed Material Design color combinations I can use for prototyping?

I'm looking at this tool that allows to select material design colors and this document by Google that describes how to pick material design colors. As far as I understand, I pick 3 primary colors ...
14
votes
8answers
4k 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 ...
14
votes
7answers
1k views

Password field in cleartext

I'm building a mobile web app that will request a bunch of information from the user (name, dob, address, etc) and am trying to cut down as much fields as I can. I've noticed a new trend where mobile ...
14
votes
2answers
16k 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 ...
13
votes
8answers
3k views

eLearning: Courses on Usability, UI, UX, or XD? [closed]

Considering User Experience Stack Exchange is in itself an educational tool, creating infomation hubs geared to different personas and users is no longer a tedious task. What are the applications, ...
13
votes
8answers
2k views

Do you know any comparative resources like mobile-patterns.com [closed]

Mari Sheibley is the lead designer of foursquare and has created this awesome site comparing mobile UI patterns - for example showing how a feed page looks in different applications, etc. I've found ...
13
votes
2answers
747 views

Is showing a loader inside a button on mobile a good practice?

On many apps the "loading" state is displayed inside a blank screen. I was considering having it directly inside the touched button but I wanted to know if it's something common. I don't have example ...
13
votes
3answers
288 views

Cross-platform HIG. What do you use for html5 apps?

When designing an Andriod or an iOS app, it is clear that you should follow their respective Human Interface Guidelines (HIGs). But what do you do when designing a Html5 app? What cross platform ...