The AR (Augmented Reality) technology is constantly improving with a host of new technologies like big data, machine-learning, IOT, Artificial intelligence, etc. The digital experience has been radically transformed by coalescing the physical and digital worlds, where the user interface has extended beyond the screen with a flexible immersion level.
Jared Spool famously wrote “Good design, when it’s done well, becomes invisible. It’s only when it’s done
poorly that we notice it.”
Applications based on Augmented Reality adopt a series of well-defined user experience design principles that are generally consistent, although there are scenarios where there is a need to make design decisions according to the associated industry, style and objective of the application.
One of the biggest challenges of the UX design in an AR application is determining the environment in which the application intends to run. Some applications are built to interact with the user’s entire body, such as a retail application that allows the user to virtually try on clothes. Similarly, there are many AR applications which are meant to be used in public spaces.
The key is to keep the environment familiar and intuitive. AR provides users, experiences that traditional applications cannot. A new axis is introduced to our digital experiences — we are integrating the physical world through cameras of the various devices. Digital and physical interaction provides an opportunity to explore a dimension where the boundaries are blurred.
As such, user testing is critical in order to predict how different environmental factors will enhance or inhibit the positive user experience. Environmental factors which are pivotal for a positive user experience are the user’s vantage point, colors, sizes of objects, lighting and shadows, moving objects, living beings, and walls.
The interaction of the user with the objects, media, and the UI is in the social sphere by default. When considering how to interact with the environment, it is important to primarily consider what hardware the users will be engaging with. The interactions through mobile are different than HoloLens interactions. The interactions should always be designed to align with the goal of the immersive application’s experience.
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Developing empathy for the users enables the designer to preemptively address the limitations that certain users might encounter during their experience. By virtue of taking the time to envision the user’s needs, the designer can make the interactions holistically accessible and useful for all the users.
Presence of cues
Cues play an important part in developing a strong UX experience, as they offer direction for users. Simultaneously, cues are designed to hide or reveal certain features dependent on gestures made by users. Visual cues present the users with off-screen elements such as buttons, which the user can hover over for additional features. Cues are simple clues that inform the user what elements of the UI are designed to be interacted with, and how to interact with them.
Audio cues are useful as well, allowing users to command the application to do something just by speaking. Similarly, an application could be created to recognize certain sounds which can trigger it display hidden features.
Color and text
Vuforia Chalk app
The science of Color theory works the same way in AR, just like how it influences us in print, mobile, web, and the other elements of our life. Consider the environmental context, the culture of the users, and the psychological effects of certain colors while selecting the theme of the application. Lighting is an integral characteristic which defines the effectiveness of the immersive experience to the user, if the users are enjoying the experience or leaving them unconvinced. Projection of shadows from the objects enhance the visual effects and brings them to life. For text, it is important to ensure it is relatively large and easy to read, but not overpowering. Choosing a font that works well with the color scheme and environment is important.