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SecondaryTabRow

Secondary tabs are used within a content area to further separate related content and establish hierarchy. Fixed tabs display all tabs in a set simultaneously. To navigate between fixed tabs, tap an individual tab, or swipe left or right in the content area.

A TabRow contains a row of [Tab]s, and displays an indicator underneath the currently selected tab. A Fixed TabRow places its tabs evenly spaced along the entire row, with each tab taking up an equal amount of space. See [SecondaryScrollableTabRow] for a tab row that does not enforce equal size, and allows scrolling to tabs that do not fit on screen.

Last updated:

Installation

dependencies {
   implementation("androidx.compose.material3:material3:1.3.0-beta03")
}

Overloads

@Composable
@ExperimentalMaterial3Api
fun SecondaryTabRow(
    selectedTabIndex: Int,
    modifier: Modifier = Modifier,
    containerColor: Color = TabRowDefaults.secondaryContainerColor,
    contentColor: Color = TabRowDefaults.secondaryContentColor,
    indicator: @Composable TabIndicatorScope.() -> Unit =
        @Composable {
            TabRowDefaults.SecondaryIndicator(
                Modifier.tabIndicatorOffset(selectedTabIndex, matchContentSize = false)
            )
        },
    divider: @Composable () -> Unit = @Composable { HorizontalDivider() },
    tabs: @Composable () -> Unit
)

Parameters

namedescription
selectedTabIndexthe index of the currently selected tab
modifierthe [Modifier] to be applied to this tab row
containerColorthe color used for the background of this tab row. Use [Color.Transparent] to have no color.
contentColorthe preferred color for content inside this tab row. Defaults to either the matching content color for [containerColor], or to the current [LocalContentColor] if [containerColor] is not a color from the theme.
indicatorthe indicator that represents which tab is currently selected. By default this will be a [TabRowDefaults.SecondaryIndicator], using a [TabRowDefaults.tabIndicatorOffset] modifier to animate its position. Note that this indicator will be forced to fill up the entire tab row, so you should use [TabRowDefaults.tabIndicatorOffset] or similar to animate the actual drawn indicator inside this space, and provide an offset from the start.
dividerthe divider displayed at the bottom of the tab row. This provides a layer of separation between the tab row and the content displayed underneath.
tabsthe tabs inside this tab row. Typically this will be multiple [Tab]s. Each element inside this lambda will be measured and placed evenly across the row, each taking up equal space.

Code Example

SecondaryTextTabs

@OptIn(ExperimentalMaterial3Api::class
@Sampled
@Composable
@Preview
fun SecondaryTextTabs() {
    var state by remember { mutableStateOf(0) }
    val titles = listOf("Tab 1", "Tab 2", "Tab 3 with lots of text")
    Column {
        SecondaryTabRow(selectedTabIndex = state) {
            titles.forEachIndexed { index, title ->
                Tab(
                    selected = state == index,
                    onClick = { state = index },
                    text = { Text(text = title, maxLines = 2, overflow = TextOverflow.Ellipsis) }
                )
            }
        }
        Text(
            modifier = Modifier.align(Alignment.CenterHorizontally),
            text = "Secondary tab ${state + 1} selected",
            style = MaterialTheme.typography.bodyLarge
        )
    }
}