I am not a big fan of accordion in mobile development, because I believe that this behaviour is a web style user experience. ... My team suggested we design an accordion style (expand/ collapse) list for our ... lists accordion profile collapsible-panels. Using an arrow or a plus is not better than using no signifier at all. Why Users Feel Trapped in Their Devices: The Vortex, Designing Effective App Permission Requests. I don’t see too many of these horizontal accordions but they’re really cool. Design Recommendations If using accordions in your mobile menus, the caret appears to be the safest icon choice. Raluca coauthored the NN/g reports on tablet usability, mobile usability, iPad usability, and the usability of children's websites, as well as the book Mobile Usability. These screens are designed with iPhone 11 and iPhone X devices in mind. Most of its features are the same as those of ngx-bootstrap, but with the different project teams. She holds a Ph.D. from Carnegie Mellon University. Some of the ideas resemble those of Google’s Material Design language. The Telerik UI for Xamarin Accordion control is a set of collapsible content panels, which saves valuable screen space by displaying the content of only a single selected item from a bigger list, but also leaves the headlines of the rest of the items. As a result, users often stop scrolling and navigate away, missing the bits that respond to their questions simply because they are too low down the page. There can be zero expanded items, exactly one, or more than one item expanded at a time, depending on the configuration. This forces all margins and padding to be limited at the maximum width and not to add any additional pixels to box containers. Occasionally, however, accordions can generate confusion; luckily, in the browser this confusion can be easily eliminated by extending the functionality of the Back button. Raluca Budiu is Director of Research at Nielsen Norman Group, where she consults for clients from a variety of industries and presents tutorials on mobile usability, designing interfaces for multiple devices, quantitative usability methods, cognitive psychology for designers, and principles of human-computer interaction. Our study findings further support our previous recommendations that you should not use split buttons for accordions. Likewise, the foil icon was presumed to not have any association for users with opening an accordion, and this also held up. It’s a code-free and easy-to-follow mockup tool, enabling you to create or link interactive pages and components with a simple drag-and-drop option. We performed a quantitative study to find out which of these icons is the most effective at signaling that it will open an accordion. So what’s the solution? Our study had 136 participants. Now, don’t get me wrong: context matters. ng-bootstrap is still under development while ngx-bootstrap is stable. In this way, it acts much like Navigation Tabs, as menu items are collapsed when a new panel is clicked. minimalist; material design; fluent design Fluent Design Inspiration Microsoft’s Fluent Design System is the latest update in the development of Microsoft’s look-and-feel for Windows, it will replace the Metro design language. Collapsing details under an accordion is a technique that we strongly advocate on mobile and reflects the idea of deferring secondary content to secondary pages. 10 Usability Heuristics for User Interface Design, When to Use Which User-Experience Research Methods, Empathy Mapping: The First Step in Design Thinking, Between-Subjects vs. Within-Subjects Study Design, UX Mapping Methods Compared: A Cheat Sheet, User Control and Freedom (Usability Heuristic #3), Imagery Helps International Shoppers Navigate Ecommerce Sites, Flexibility and Efficiency of Use: The 7th Usability Heuristic Explained, 3 Steps for Getting Started with DesignOps, Error Handling on Mobile Devices: Showing Alerts, displaying too much content in too little screen space, App Lockers for Shared Phone Use in India, Visual Indicators to Differentiate Items in a List, List Thumbnails on Mobile: When to Use Them and Where to Place Them, Scan and Shake: A Lesson in Technology Adoption from China’s WeChat, Mobile Faceted Search with a Tray: New and Improved Design Pattern, User Interface Principles Every Designer Must Know, Omnichannel Journeys and Customer Experience, User Experience for Mobile Applications and Websites, Mobile-First Intranet at Scale: Loblaw's Design Process. Sometimes the content under an accordion can be really long, and as a result, it can be beneficial to allow quick access to the close button. Learn more about improving the usability of mobile-design elements in the recent edition of our report User Experience for Mobile Applications and Websites. Accordions work especially well on mobile interfaces or whenever vertical space is at a premium. For the standard signifiers (caret, plus, and arrow), there was no strong expectation to leave the page (as the rate of new-page expectation is not significantly different than 50%, p >0.05). Unfortunately that has the disadvantage of making the users think that they navigated to a new page. The creator has smartly combined the slider and accordions in this design to deliver …  Among all the standard signifiers, the caret has a significantly stronger expectation to stay on the page than the foil (p<0.05) or the no-icon condition (p <0.05) and the plus is significantly better than the foil (p<0.05), but not than the no-icon condition.  The arrow is not statistically different than the foil or no-icon conditions, suggesting that this icon should not be used for accordions.

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