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BottomDrawer

Common

Bottom navigation drawers are modal drawers that are anchored to the bottom of the screen instead of the left or right edge. They are only used with bottom app bars.

Bottom drawer image

Last updated:

Installation

dependencies {
   implementation("androidx.compose.material:material:1.7.0-beta04")
}

Overloads

@Composable
@OptIn(ExperimentalMaterialApi::class
fun BottomDrawer(
    drawerContent: @Composable ColumnScope.() -> Unit,
    modifier: Modifier = Modifier,
    drawerState: BottomDrawerState = rememberBottomDrawerState(Closed),
    gesturesEnabled: Boolean = true,
    drawerShape: Shape = DrawerDefaults.shape,
    drawerElevation: Dp = DrawerDefaults.Elevation,
    drawerBackgroundColor: Color = DrawerDefaults.backgroundColor,
    drawerContentColor: Color = contentColorFor(drawerBackgroundColor),
    scrimColor: Color = DrawerDefaults.scrimColor,
    content: @Composable () -> Unit
)

Parameters

namedescription
drawerContentcomposable that represents content inside the drawer
modifieroptional [Modifier] for the entire component
drawerStatestate of the drawer
gesturesEnabledwhether or not drawer can be interacted by gestures
drawerShapeshape of the drawer sheet
drawerElevationdrawer sheet elevation. This controls the size of the shadow below the drawer sheet
drawerBackgroundColorbackground color to be used for the drawer sheet
drawerContentColorcolor of the content to use inside the drawer sheet. Defaults to either the matching content color for [drawerBackgroundColor], or, if it is not a color from the theme, this will keep the same value set above this Surface.
scrimColorcolor of the scrim that obscures content when the drawer is open. If the color passed is [Color.Unspecified], then a scrim will no longer be applied and the bottom drawer will not block interaction with the rest of the screen when visible.
contentcontent of the rest of the UI

Code Example

BottomDrawerSample

@OptIn(ExperimentalMaterialApi::class
@Composable
@Sampled
fun BottomDrawerSample() {
    val (gesturesEnabled, toggleGesturesEnabled) = remember { mutableStateOf(true) }
    val scope = rememberCoroutineScope()
    Column {
        Row(
            modifier = Modifier.fillMaxWidth().toggleable(
                value = gesturesEnabled,
                onValueChange = toggleGesturesEnabled
            )
        ) {
            Checkbox(gesturesEnabled, null)
            Text(text = if (gesturesEnabled) "Gestures Enabled" else "Gestures Disabled")
        }
        val drawerState = rememberBottomDrawerState(BottomDrawerValue.Closed)
        BottomDrawer(
            gesturesEnabled = gesturesEnabled,
            drawerState = drawerState,
            drawerContent = {
                Button(
                    modifier = Modifier.align(Alignment.CenterHorizontally).padding(top = 16.dp),
                    onClick = { scope.launch { drawerState.close() } },
                    content = { Text("Close Drawer") }
                )
                LazyColumn {
                    items(25) {
                        ListItem(
                            text = { Text("Item $it") },
                            icon = {
                                Icon(
                                    Icons.Default.Favorite,
                                    contentDescription = "Localized description"
                                )
                            }
                        )
                    }
                }
            },
            content = {
                Column(
                    modifier = Modifier.fillMaxSize().padding(16.dp),
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    val openText = if (gesturesEnabled) "▲▲▲ Pull up ▲▲▲" else "Click the button!"
                    Text(text = if (drawerState.isClosed) openText else "▼▼▼ Drag down ▼▼▼")
                    Spacer(Modifier.height(20.dp))
                    Button(onClick = { scope.launch { drawerState.open() } }) {
                        Text("Click to open")
                    }
                }
            }
        )
    }
}