Sticky headers in Android Kotlin - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a sticky header in Android development?

A sticky header is a UI element that stays fixed at the top of a scrolling list, so the header remains visible while the user scrolls through the content below it.

intermediate

Which Android component is commonly used to implement sticky headers in a list?

RecyclerView is commonly used with custom adapters and layout managers to implement sticky headers by detecting scroll position and updating header views accordingly.

intermediate

Name one popular library that helps implement sticky headers in Android Kotlin apps.

One popular library is 'StickyHeadersRecyclerView' which simplifies adding sticky headers to RecyclerView without complex custom code.

beginner

How does a sticky header improve user experience in a long list?

It helps users keep context by showing the current section or category at the top, so they always know which part of the list they are viewing.

advanced

What is a simple approach to create sticky headers without external libraries?

You can override RecyclerView's onScrollListener to detect the first visible item and update a separate header view fixed at the top accordingly.

What UI component is typically used to create lists with sticky headers in Android?

A ImageView

B TextView

C Button

D RecyclerView

RecyclerView is designed for efficient scrolling lists and is commonly used to implement sticky headers.

What is the main benefit of sticky headers in a scrolling list?

A They keep section titles visible

B They add animations

C They reduce app size

D They disable scrolling

Sticky headers keep section titles visible to help users understand the current list section.

Which method can be used to detect scroll position for sticky headers in RecyclerView?

A onClickListener

B onScrollListener

C onTouchListener

D onLongClickListener

onScrollListener lets you track scrolling to update sticky headers.

Which of these is NOT a way to implement sticky headers?

A Using a Button widget

B Custom onScrollListener logic

C Using a fixed header view updated on scroll

D Using a library

Button widgets are not used for sticky headers.

Sticky headers help users by:

A Making the app slower

B Hiding the list content

C Showing the current section while scrolling

D Changing the font size automatically

Sticky headers show the current section to keep users oriented.

Explain how sticky headers improve navigation in a long scrolling list.

Think about how you keep track of chapters in a book while reading.

Describe a simple way to implement sticky headers in a RecyclerView without external libraries.

Consider how you might watch the scroll and change a separate view at the top.