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Designing anything for use in the public space presents considerable challenges - catering for a wide demographic, unpredictable behaviour, and a short, time-pressured user experience, with little time or patience for learning how to use new technologies.
Whilst users may well see benefits in a touchless public kiosk, and be willing to try one, it is important to ensure every possible step is taken to make their first experience a smooth one. For almost everyone this will be a brand new way to interact with kiosks, which they have never tried before.
If implemented correctly, the first experience with a touchless kiosk can be quick, engaging, and intuitive for most users. Ultraleap strongly recommend paying attention to the following considerations to ensure your users’ first touchless kiosk experience is a good one.
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The cursors come with 4 default colour modes to suit different user interfaces, as well as the option to customize the colour and opacity of each graphic element in the cursor. These can be changed in the User Interface Settings screen of the TouchFree application.
It is key that the right cursor colours are selected for different user interfaces. At all times, the cursor should be clearly visible and stand out against the UI, with strong visual contrast.
- Light mode - Suitable for interfaces which are fairly light, or have a white background.
- Dark mode - Suitable for interfaces which are fairly dark, using black or strong colours in the background.
- Light and dark high contrast modes - Suitable for interfaces which feature a lot of photography, complex visual elements, and a mixture of light and dark areas.
In TouchFree you can choose between two interaction types - Air Push and Hover & Hold - in the User Interface Settings screen. Be aware that each interaction - and the cursor that comes with each - can be further customized with settings on this screen.
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These default settings are based on research and testing with diverse users and we recommend taking a cautious approach to changing the parameters from the recommended defaults.
TouchFree runs invisibly on top of any touchscreen kiosk user interface. However, there are some minimum requirements in order for users to have the best TouchFree experience.
The interface should have:
Minimum button size between 20 x 20mm (75 x 75 px) and 30 x 30mm (115 x 115 px)
Spacing between buttons minimum of 5 mm (20 px)
If the interface does not meet these minimum requirements then users will still be able to operate buttons, but may experience additional difficulty and some frustration.
TouchFree can retrofit the following UI controls:
- Button pressing, tapping
- Dragging, scrolling, swiping - for example carousel controls or rotatable 3D objects
When operating a kiosk with touchless technology, users benefit from additional feedback on their actions - for example, confirmation that a button has been successfully pressed.
Both Air Push and Hover & Hold cursors animate upon successful pressing off a button to aid with this. If you are able, consider making further changes to the visual and audio feedback to give users this additional reassurance.
- Colour changes on button release
- Button micro-animations on button release
- Audio cues to signal button release
Create instructional content to provide end users with confidence
Research shows that customers are willing and enthusiastic to try TouchFree-driven experiences, motivated by the hygienic benefits.
However, there is a small learning curve to consider and it is important that the first-time user experience is stress free. There is a risk that a negative first experience may deter users from using it again in the future.
In the public space people want things to work quickly and intuitively. The challenge is to help users overcome the learning curve that is introduced by using a new technology.
Clear instructional information is essential to provide users with confidence to use TouchFree. We recommend implementing the following in your kiosk experiences where possible:
- On screen animation
- Footprint stickers on the floor
- Instructional panel
- Text to indicate the kiosk is touchless
See our detailed recommendations on: