我需要在一个屏幕中展示两个不同的底部面板。我使用一个名为
dialogType
的状态,动态更改ModalBottomSheetLayout
的sheetContent
。我隐藏High
底部面板,更改dialogType
并显示Short
。 Short
从前一个底部面板的顶部出现,而不是从屏幕底部出现。可以在这里看到:
@Composable
fun BottomSheet() {
val sheetState = rememberModalBottomSheetState(ModalBottomSheetValue.Hidden)
val scope = rememberCoroutineScope()
var dialogType by remember { mutableStateOf<BottomSheetType>(BottomSheetType.None) }
ModalBottomSheetLayout(
sheetState = sheetState,
sheetContent = {
when (dialogType) {
is BottomSheetType.High -> {
LazyColumn {
items(10) {
Text(text = "Item $it")
}
item {
Button(onClick = {
scope.launch {
sheetState.hide()
dialogType = BottomSheetType.Short
sheetState.animateTo(ModalBottomSheetValue.Expanded)
}
}) {
Text(text = "Short Bottom Sheet")
}
}
}
}
is BottomSheetType.Short -> {
Text(text = "Item 1")
}
is BottomSheetType.None -> Spacer(modifier = Modifier.size(1.dp))
}
}
) {
Box(
modifier = Modifier.fillMaxSize()
) {
Button(
onClick = {
dialogType = BottomSheetType.High
scope.launch {
sheetState.animateTo(ModalBottomSheetValue.Expanded)
}
},
modifier = Modifier.align(Alignment.Center)
) {
Text(text = "High Bottom Sheet")
}
}
}
}
sealed class BottomSheetType {
object None : BottomSheetType()
object High : BottomSheetType()
object Short : BottomSheetType()
}
在sheetState.animateTo(ModalBottomSheetValue.Expanded)
之前添加sheetState.performFling(0.1f)
,可以正确显示短的Short
底部工作表。
Compose版本为1.1.0-beta01