Important User Interface Design Principles
Human-computer interaction includes Design, Implementation, Evaluation three aspects. It is about the communication between human and computer. The user interface is like the translator between human users and computer systems.
The user interface design I said is not most people understand illustrate icons or polish flash screens, user interface design is the overall experience of designing the using system. It is a form of interaction design. The strategy of user interface design is generally divided into two parts: one is visual design strategy, the other is structure design strategy.
User interface design of interaction system includes three parts:
- Confirm target users and information: confirm who is your user(age, gender, cultural background…), information(experience type and structure of target users’ preference, how to transfer messages), these are important.
- Confirm using setting: You should be clear about how your interaction system will be used, and where, what type of device, and how long will be used generally.
- Create experience: It is necessary to determine what type of user experience, you should determine the preference of target users. Different type of appearance and user experience provide different types of user experience. Here you should be clear that structure and navigation are as important as visual parts.
Some important user interface principles need to remember:
- Consider requirements: Only provide necessary functions, remember don’t be superfluous.
- Keep consistent: Ensure consistency when providing functions, let the user have the confidence to explore while using the product.
- Decrease user burden: Try to decrease user using load to the lowest, make user finish the task at the lowest cost.
- Lead user: A good interface can forecast what users want to do next.
- Transparent(Easy): An efficient interface should be transparent, the user should focus on what-what are doing not how to do.
Three elements user interface design should also follow ease to use:
1.Visible
Visual design acts the very important role in user interface design(visual design strategy is crucial). The visual design of high efficiency can encourage interaction behaviours between users and systems.
2.Feedbacks
When interacting with the interface, users need to get prompt feedbacks. The feedback would be conveyed through vision, sound, or touch and so on. But you need to remember that the feedback information should be kept consistent, such as the same buttons; the way of feedbacks should also be same, such as the colour change of the button.
3.Conceptual model(Metaphor and consistency)
The conceptual model is like a street map, which lets users know where they are. Some user interface has many different graphics, how to make user clear where to click, where they can’t click? The user interface itself should provide some reminders to help users understand how to interact, this can be realized through the metaphor and consistency.
- Metaphor allows users apply the real-life knowledge into user interface interaction process, the interaction systems can make real life modular. Things on the user interface behave as real things in real life(reducing study costs). Please keep in mind, do not be too much, such as the mobile phone to imitate dial phone, slide a finger to make such a smartphone interaction, in most scenarios is a simple fool.
- Metaphor exposes the conceptual interaction model of the system. The visual consistency tells us the details users do in different interface parts, let users think of things in real life, such as page turning books. In addition, it provides an interactive suggestion, for example, the cursor moves to an object to show a hand, which tells the user that the object can be moved.
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