Compose Multiplatform Material3/androidx.compose.material3/FloatingActionButton

FloatingActionButton

@Composable
fun FloatingActionButton(onClick: () -> Unit, modifier: Modifier = Modifier, shape: Shape = FloatingActionButtonDefaults.shape, containerColor: Color = FloatingActionButtonDefaults.containerColor, contentColor: Color = contentColorFor(containerColor), elevation: FloatingActionButtonElevation = FloatingActionButtonDefaults.elevation(), interactionSource: MutableInteractionSource? = null, content: @Composable () -> Unit)

Material Design floating action button.

The FAB represents the most important action on a screen. It puts key actions within reach.

FAB image

FAB typically contains an icon, for a FAB with text and an icon, see ExtendedFloatingActionButton.

Parameters

onClick

called when this FAB is clicked

modifier

the Modifier to be applied to this FAB

shape

defines the shape of this FAB's container and shadow (when using elevation)

containerColor

the color used for the background of this FAB. Use Color.Transparent to have no color.

contentColor

the preferred color for content inside this FAB. Defaults to either the matching content color for containerColor, or to the current LocalContentColor if containerColor is not a color from the theme.

elevation

FloatingActionButtonElevation used to resolve the elevation for this FAB in different states. This controls the size of the shadow below the FAB. Additionally, when the container color is ColorScheme.surface, this controls the amount of primary color applied as an overlay. See also: Surface.

interactionSource

an optional hoisted MutableInteractionSource for observing and emitting Interactions for this FAB. You can use this to change the FAB's appearance or preview the FAB in different states. Note that if null is provided, interactions will still happen internally.

content

the content of this FAB, typically an Icon

Samples

androidx.compose.material3.samples.FloatingActionButtonSample