SingleRowTopAppBarOverrideScope

val actions: @Composable RowScope.() -> Unit

the actions displayed at the end of the top app bar. This should typically be IconButtons. The default layout here is a Row, so icons inside will be placed horizontally.

val colors: TopAppBarColors

TopAppBarColors that will be used to resolve the colors used for this top app bar in different states. See TopAppBarDefaults.topAppBarColors.

val expandedHeight: Dp

this app bar's height. When a specified scrollBehavior causes the app bar to collapse or expand, this value will represent the maximum height that the bar will be allowed to expand. This value must be specified and finite, otherwise it will be ignored and replaced with TopAppBarDefaults.TopAppBarExpandedHeight.

val modifier: Modifier

the Modifier to be applied to this top app bar

val navigationIcon: @Composable () -> Unit

the navigation icon displayed at the start of the top app bar. This should typically be an IconButton or IconToggleButton.

val scrollBehavior: TopAppBarScrollBehavior?

a TopAppBarScrollBehavior which holds various offset values that will be applied by this top app bar to set up its height and colors. A scroll behavior is designed to work in conjunction with a scrolled content to change the top app bar appearance as the content scrolls. See TopAppBarScrollBehavior.nestedScrollConnection.

val subtitle: (@Composable () -> Unit)?

a lambda for providing an optional subtitle to be displayed in the top app bar in collapsed and expanded states.

val subtitleTextStyle: TextStyle

the subtitle's text style

val title: @Composable () -> Unit

the title to be displayed in the top app bar typically be an IconButton or IconToggleButton.

val titleHorizontalAlignment: Alignment.Horizontal

the title's horizontal alignment

val titleTextStyle: TextStyle

the title's text style

val windowInsets: WindowInsets

a window insets that app bar will respect.