Tier 2Tier 2 · Android: tokens only. This is a stock Material 3 element, coloured by a darkColorScheme built from the token graph. It is not a build instruction.primary → --yellow-solid · surface → --app-bg · outline → --border · error → --red-solid
FABFloatingActionButtonstock · do not build
56dp with a 16dp corner, brand yellow on onPrimary. The primary action of a screen, one per screen. A snackbar pushes it up rather than covering it.
FAB
56dp, one per screen
Add transfer
Extended
when the action needs naming
size56dp
corner16dp
fill--yellow-solid
glyph24dp --primary-foreground
extendedauto width, 20dp padding, 12dp gap
with snackbarlifts to 160dp
Do not. Use more than one FAB, or put a destructive action in it. The FAB is the screen’s single most likely action.
Contract: platforms/android/DESIGN.md