Skip to content

Instantly share code, notes, and snippets.

@KatieBarnett

KatieBarnett/Scaffold.kt Secret

Created December 12, 2022 22:02
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save KatieBarnett/2807b455311b34cd577de8d090b4b1b2 to your computer and use it in GitHub Desktop.
Save KatieBarnett/2807b455311b34cd577de8d090b4b1b2 to your computer and use it in GitHub Desktop.
Download ZIP
Pinned scroll state with isScrolled check
Raw
Scaffold.kt
...
val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
val isScrolled = remember { derivedStateOf { scrollBehavior.state.contentOffset < -100f } }
val topAppBarElementColor = if (isScrolled.value) {
MaterialTheme.colorScheme.onSurface
} else {
MaterialTheme.colorScheme.onPrimary
}
...
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment