Mobile App Design Basic 3

Question 1

What is 'onboarding' in the context of mobile app design?

Accepted Answer

The user experience of being introduced to an app's features for the first time

Answer

Onboarding is the flow that introduces new users to an app's value, core features, and required setup steps.

Question 2

Which color contrast ratio does WCAG 2.1 AA require for normal text on mobile to meet accessibility standards?

Accepted Answer

4.5:1

Answer

WCAG 2.1 Level AA requires a minimum contrast ratio of 4.5:1 for normal text to ensure readability for users with visual impairments.

Question 3

What does 'skeleton screen' refer to in mobile app UI design?

Accepted Answer

A placeholder layout shown while content is loading

Answer

Skeleton screens display a gray placeholder mimicking the content layout while data loads, reducing perceived wait time.

Question 4

What is the purpose of a 'floating action button' (FAB) in Material Design?

Accepted Answer

To represent the single most important action on a screen

Answer

The FAB promotes the primary action of a screen, such as composing a new message or adding a new item.

Question 5

What is 'haptic feedback' in mobile app design?

Accepted Answer

Tactile vibrations that provide physical confirmation of interactions

Answer

Haptic feedback uses device vibrations to give users a physical confirmation of taps, swipes, or system events.

Mobile App Design Practice Test