Mobile App Design Basic 2

Question 1

What is the recommended minimum touch target size for interactive elements in mobile apps according to Google's Material Design guidelines?

Accepted Answer

48x48 dp

Answer

Google's Material Design guidelines recommend a minimum touch target size of 48x48 dp to ensure usability for most users.

Question 2

Which mobile UI pattern is best suited for apps with 3-5 top-level navigation destinations?

Accepted Answer

Bottom navigation bar

Answer

A bottom navigation bar is ideal for 3-5 top-level destinations because it keeps primary navigation thumb-accessible and always visible.

Question 3

What does 'density-independent pixel' (dp) measure in Android mobile design?

Accepted Answer

A unit that scales with screen density to maintain consistent visual size

Answer

A dp is an abstract unit that scales based on screen density so UI elements appear the same physical size across different devices.

Question 4

What is 'progressive disclosure' in mobile app design?

Accepted Answer

Showing additional information or options only when needed

Answer

Progressive disclosure reduces cognitive load by presenting only essential information initially and revealing details on demand.

Question 5

Which gesture is typically used to dismiss a modal sheet in iOS apps?

Accepted Answer

Swipe down

Answer

Swiping down is the standard iOS gesture to dismiss a modal sheet, following Apple's Human Interface Guidelines.

Mobile App Design Practice Test