User Interface DESIGN - A brief summary.pptx

A brief explanation of the basic concepts of User interface Design

1. UI DESIGN By calvin deuke 2201200214

2. oVERVIEW Introduction Understanding User Interface Design Importance of UI Design in System Analysis Process of UI Design Interface design models Principles of Effective UI Design Tools and Technologies for UI Design Case Study: UI Design in Action Best Practices for UI Design Graphical User Interface Key points

3. INTRODUCTION User Interface(UI) : is the point of interaction between users and digital devices, systems, or applications. User interface (UI) design is the process designers use to build interfaces in software or computerized devices, focusing on looks or style. UI plays a crucial role in enhancing user experience, improving system usability, and ultimately contributing to the success of software projects.

4. Understanding User Interface Design What is User Interface Design?: User Interface Design is the process of creating interfaces for software applications or systems that focus on usability, accessibility, and user satisfaction. Components of UI Design : UI design involves various elements such as layout, navigation, visual design, interaction design, and information architecture. User-Centered Design Principles: User-centered design emphasizes designing products and systems that meet the needs, preferences, and expectations of users.

5. Understanding User Interface Design

6. Importance of UI Design in System Analysis Enhancing User Experience: Well-designed UIs enhance user satisfaction, engagement, and loyalty. Increasing Efficiency and Productivity: Intuitive UIs streamline tasks and workflows, boosting efficiency and productivity. Reducing Errors and User Frustration: Clear and consistent UIs minimize user errors and frustrations, leading to higher user satisfaction and adoption rates.

7. Process of UI Design Requirements Gathering: Understand user needs, preferences, and goals through user research and stakeholder interviews. Organize the interface: Define the basic components of the interface and how they work together to provide functionality to users. User Interface Structure Diagrams(ISD) Define Standards: Classify decisions on all key interfaces to ensure consistency e.g use standard interface icons like trashcan icon for delete, disk for save Develop prototypes : Iterate on designs based on user feedback. This can be through sketches, wireframes, HTML prototypes etc Testing and Evaluation: Conduct usability testing and gather feedback to refine and improve the UI design.

8. Requirements gathering Users will likely have different goals and intentions when using a system. Use personas to develop their various characteristics

9. Interface structure diagram( Isd )

10. Prototyping

11. Interface evaluation Heuristic evaluation: compare design to checklist Walkthrough evaluation: Team simulates movement through components Interactive evaluation: Users try out the system Formal usability testing: detailed use of special lab testing and can be expensive

12. Evaluation TECHNIQUES Questionnaires for user feedback. Video recording of system use and subsequent tape evaluation. Instrumentation of code to collect information about facility use and user errors. The provision of code in the software to collect on-line user feedback

13. tHE DESIGN PROCESS

14. INTERFACE DESIGN MODELS There are mainly four models used in Human Computer Interaction(HCI) design; The design model : expresses the software design . The user model : describes the profile of the end users . (i.e., novices vs. experts, cultural background, etc.) The user’s model : is the end users’ perception of the system The system image : is the external manifestation of the system (look and feel + documentation etc.)

15. Principles of Effective UI Design Consistency: Maintain consistency in design elements, color, terminology, and interactions throughout the UI. Clarity: Ensure that the UI elements are clear, understandable, and easy to use. Simplicity: Simplify the UI design to reduce complexity and cognitive load for users. Feedback: Provide immediate and informative feedback to users for their actions. Flexibility: Design the UI to be adaptable to different user preferences, devices, and contexts.

16. Tools and Technologies for UI Design Graphic Design Software (e.g., Adobe XD, Sketch): Create visual designs and assets for UIs. Prototyping Tools (e.g., InVision , Figma): Build interactive prototypes to demonstrate UI functionality and flow. Collaboration Platforms (e.g., Miro, Slack): Facilitate collaboration and communication among UI designers, developers, and stakeholders.

17. Case Study: UI Design in Action Overview of a Real-World Project: Provide a brief overview of a specific project where UI design played a significant role. Challenges Faced: Discuss challenges encountered during the UI design process. Solutions Implemented: Describe the solutions and strategies implemented to address these challenges. Results Achieved: Share the outcomes and impacts of the UI design efforts on the project.

18. Best Practices for UI Design Conduct User Research: Understand user needs, behaviors, and preferences to inform UI design decisions. Design for Accessibility: Ensure that the UI is accessible to users with disabilities by following accessibility guidelines and standards. Keep UI Elements Intuitive: Design UI elements and interactions that are intuitive and easy to understand for users. Prioritize Content and Functionality: Focus on prioritizing content and functionality to deliver a seamless user experience. Test and Iterate Continuously: Continuously test and iterate on UI designs based on user feedback and testing results to improve usability and effectiveness.

19. GRAPHICAL USER interface (GUI) A GUI design utilizes elements such as text, icons, menu and images, as well as components, to allow a user to easily navigate and interact with a system. It’s all about designing an engaging and intuitive visual interface that allows users to interact with the system with ease. Without a good GUI design, using a digital product can be confusing and frustrating.

20. GUI cont … Advantages Users feel in control and are less likely to be intimidated by the system User learning time is relatively short Users get immediate feedback on their actions mistakes can be quickly detected and corrected Problems Finding the right user metaphor may be difficult It can be hard to navigate efficiently in a large information space. It can be complex to program and demanding to execute

21. Direct manipulation Advantages Users feel in control and are less likely to be intimidated by the system User learning time is relatively short Users get immediate feedback on their actions mistakes can be quickly detected and corrected Demerits Finding the right user metaphor may be difficult It can be hard to navigate efficiently in a large information space. It can be complex to program and demanding to execute

22. Command interface This involves the user typing commands to give instructions to the system. May be implemented using cheap terminals Easy to process using compiler techniques Commands of arbitrary complexity can be created by command combination Concise interfaces requiring minimal typing can be created

23. Command interface cont … Advantages Allow experienced users to interact quickly with the system Commands can be scripted Demerits Users have to learn and remember a command language Not suitable for occasional or inexperienced users An error detection and recovery system is required Typing ability is required

24. Analogue vs digital presentation Digital presentation Compact i.e takes up little screen space Precise values can be communicated Analogue presentation Easier to get an 'at a glance' impression of a value Possible to show relative values Easier to see exceptional data values

25. User guidance The user guidance system is integrated with the user interface to help users when they need information about the system or when they make some kind of error. Includes System messages, including error messages Documentation provided for users On-line help

26. Help system Multiple entry points should be provided i.e the user should be able to get help from different places The help system should indicate where the user is positioned Navigation and traversal facilities must be provided

27. Error message guidelines Speak the user’s language Give constructive advice for recovering from the error Indicate negative consequences of the error (e.g., possibly corrupted files) Give an audible or visual cue Don’t make the user feel guilty

28. k ey points User interface design principles should help guide the design of user interfaces. Interaction styles include direct manipulation, menu systems form fill-in, command languages and natural language. Graphical displays should be used to present trends and approximate values. Digital displays when precision is required. Color should be used sparingly and consistent. The user interface design process involves user analysis, system prototyping and prototype evaluation. The goals of UI evaluation are to obtain feedback on how to improve the interface design and to assess if the interface meets its usability requirements

29. References Interaction Design Foundation - IxDF . (2016, June 2). What is User Interface (UI) Design?. Interaction Design Foundation - IxDF . https://www.interaction-design.org/literature/topics/ui-design Norman, D. A. (2013). The Design of Everyday Things. Basic Books. Nielsen, J., & Loranger, H. (2006). Prioritizing Web Usability. New Riders. Garrett, J. J. (2010). The Elements of User Experience: User- Centered Design for the Web and Beyond. New Riders. Shneiderman , B., & Plaisant , C. (2016). Designing the User Interface: Strategies for Effective Human-Computer Interaction. Pearson. Sommerville, I. (2004). Software Engineering.