Top 40 UI Interview Questions and Answers

Swing control in EOT crane operation involves using the controls to move the crane horizontally.

• Swing control is used to move the crane horizontally.

• It is important to have a good understanding of the controls and their functions.

• Operators should be ...read more

Layouts in Salesforce define the arrangement of fields, related lists, and other components on a record detail or edit page.

• Layouts determine the user interface for viewing and editing records in Salesforce.

• They can be customized to display only rele...read more

Forms cells are in read only mode to prevent users from accidentally changing critical data.

• Forms cells may be in read only mode to protect important data from being altered

• Read only mode can be set by the developer to prevent accidental changes

• Certa...read more

Designing a UI landing page requires a clear understanding of the target audience and their needs.

• Identify the purpose of the landing page

• Create a visually appealing design with a clear hierarchy

• Use contrasting colors to draw attention to important e...read more

User Interface (UI) is the point of interaction between the user and a digital device or software application.

• UI includes elements such as buttons, menus, text fields, and images.

• Good UI design focuses on usability, accessibility, and aesthetics.

• Exam...read more

Some design principles for UI include simplicity, consistency, and visibility.

• Simplicity: Keep the UI clean and uncluttered, with a focus on essential elements.

• Consistency: Maintain a consistent layout, color scheme, and typography throughout the UI....read more

Yes, I can design screens quickly.

• I would first clarify the requirements and user needs.

• Then, I would sketch out some rough wireframes to get a sense of layout and functionality.

• Next, I would create high-fidelity mockups using design tools like Sketc...read more

Various applications are used for UI prototyping, including Adobe XD, Sketch, Figma, InVision, and Axure.

• Adobe XD is a popular choice for UI prototyping with its intuitive interface and interactive features.

• Sketch is widely used by designers for crea...read more

UI/UX stands for User Interface/User Experience. It involves designing the visual elements and overall experience of a digital product.

• UI focuses on the visual aspects of a product, such as layout, colors, and typography.

• UX focuses on the overall exp...read more

ATM for blind with tactile buttons, braille labels, and audio instructions.

• Include tactile buttons with different shapes for easy identification (circle for balance, square for withdrawal, etc.)

• Use braille labels for each button and on the screen for...read more

User controls can be created by creating a custom control that encapsulates the desired functionality and appearance.

• Create a new class that inherits from UserControl class in .NET framework

• Add necessary properties, methods, and events to the custom ...read more

A slider is a UI element that allows users to select a value from a range by sliding a handle along a track.

• Used in web and mobile applications for adjusting settings like volume or brightness.

• Example: A volume slider in a music app lets users contro...read more

UI principles are guidelines for designing user interfaces that enhance usability and user experience.

• UI principles focus on clarity, simplicity, and consistency in design.

• They involve using visual hierarchy, intuitive navigation, and effective use o...read more

The user interface for controlling Alexa with voice should be intuitive, responsive, and customizable.

• Include natural language processing for seamless communication with Alexa

• Provide clear feedback through voice prompts or visual cues

• Allow users to c...read more

Design a side bar with lot of elements

• Consider using a collapsible menu for better organization

• Use icons or symbols for each element to save space

• Implement a search bar for easy navigation

• Include categories or sections to group similar elements toget...read more

Yes, I have used Material UI extensively for UI development.

• I have used Material UI components such as AppBar, Button, TextField, etc.

• I have customized the theme and created my own styles using Material UI's styling solution.

• I have used Material UI's...read more

Material design is a design language developed by Google that combines principles of good design with innovation and technology.

• Developed by Google

• Focuses on clean, minimalistic design

• Uses grid-based layouts, responsive animations, and transitions

• Emp...read more

App Splash Screen is the first screen that appears when an app is launched.

• It is a graphical element that displays the app's logo or branding.

• It is displayed for a few seconds before the app's main interface appears.

• It provides users with visual feed...read more

UI/UX components are building blocks used in designing user interfaces and experiences.

• UI components are visual elements like buttons, input fields, and menus that users interact with.

• UX components focus on the overall user experience, including navi...read more

Different methods to do UI modifications

• Using CSS to modify styles

• Using JavaScript to modify DOM elements

• Using frameworks like React or Angular to create reusable UI components

• Using design tools like Sketch or Figma to create mockups and prototypes

Use CSS variables to define colors and switch between themes based on user preference.

• Define CSS variables for light and dark theme colors

• Use JavaScript to detect user preference for light or dark theme

• Switch between themes by updating CSS variables ...read more

Create a bottom navigation bar with 5 menu items for Flutter Developer interview question.

• Use BottomNavigationBar widget in Flutter

• Set items property with BottomNavigationBarItem widgets for each menu item

• Set currentIndex property to highlight the se...read more

VFL is used to visually locate faults or breaks in fiber optic cables.

• Connect the VFL to one end of the fiber optic cable

• Activate the VFL and look for any visible light leakage along the cable

• Move the VFL along the cable to locate the exact position ...read more

Use CSS property 'caret-color' to change cursor color.

• Use 'caret-color' property in CSS to change cursor color

• Specify the color value for 'caret-color' property

• Example: input { caret-color: red; }

ListView control is a graphical control element used to display a list of items in a vertical, scrollable view.

• Used in GUI applications to display a list of items

• Allows users to scroll through the list

• Can be customized with different layouts and styl...read more

Touch UI is a user interface designed for touchscreens, allowing users to interact with digital devices using touch gestures.

• Designed for touchscreens

• Allows users to interact using touch gestures

• Optimized for mobile devices

• Intuitive and user-friendly...read more

Mouse and keyboard are input devices, not operating systems.

• Mouse and keyboard are hardware devices used to input data into a computer system.

• Operating systems are software that manage computer hardware and provide a user interface.

• Examples of operat...read more