Switch

Composable Component

Switch provides an animated switch for use as a toggle control in ToggleChip or SplitToggleChip.

Android

@Composable
public fun Switch(
    checked: Boolean,
    modifier: Modifier = Modifier,
    colors: SwitchColors = SwitchDefaults.colors(),
    enabled: Boolean = true,
    onCheckedChange: ((Boolean) -> Unit)? = null,
    interactionSource: MutableInteractionSource? = null,
): Unit

Parameters


checked	Boolean flag indicating whether this switch is currently toggled on.
modifier	Modifier to be applied to the switch. This can be used to provide a content description for accessibility.
colors	`SwitchColors` from which the colors of the thumb and track will be obtained.
enabled	Boolean flag indicating the enabled state of the `Switch` (affects the color).
onCheckedChange	Callback to be invoked when Switch is clicked. If null, then this is passive and relies entirely on a higher-level component to control the state (such as `ToggleChip` or `SplitToggleChip`).
interactionSource	When also providing `onCheckedChange`, an optional hoisted `MutableInteractionSource` for observing and emitting `Interaction`s for this switch. You can use this to change the switch's appearance or preview the switch in different states. Note that if `null` is provided, interactions will still happen internally.

Code Examples

ToggleChipWithSwitch

@Composable
fun ToggleChipWithSwitch() {
    var checked by remember { mutableStateOf(true) }
    // The primary label should have a maximum 3 lines of text
    // and the secondary label should have max 2 lines of text.
    ToggleChip(
        label = { Text("SwitchIcon", maxLines = 3, overflow = TextOverflow.Ellipsis) },
        secondaryLabel = {
            Text("With secondary label", maxLines = 2, overflow = TextOverflow.Ellipsis)
        },
        checked = checked,
        // For Switch  toggle controls the Wear Material UX guidance is to set the
        // unselected toggle control color to ToggleChipDefaults.switchUncheckedIconColor()
        // rather than the default.
        colors =
            ToggleChipDefaults.toggleChipColors(
                uncheckedToggleControlColor = ToggleChipDefaults.SwitchUncheckedIconColor
            ),
        toggleControl = { Switch(checked = checked, enabled = true) },
        onCheckedChange = { checked = it },
        appIcon = {
            Icon(
                painter = painterResource(id = R.drawable.ic_airplanemode_active_24px),
                contentDescription = "airplane",
                modifier = Modifier.size(24.dp).wrapContentSize(align = Alignment.Center),
            )
        },
        enabled = true,
    )
}

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