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manager: Update the bottom bar navigation logic(#254)

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close #232
This commit is contained in:
TinyHai
2023-02-20 10:37:40 +08:00
committed by GitHub
parent ebf6a52237
commit 93bcd78f89
1 changed files with 17 additions and 12 deletions
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29
manager/app/src/main/java/me/weishu/kernelsu/ui/MainActivity.kt
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@@ -6,8 +6,9 @@ import androidx.activity.compose.setContent
import androidx.compose.animation.ExperimentalAnimationApi
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.dp
@@ -52,31 +53,35 @@ class MainActivity : ComponentActivity() {
@Composable
private fun BottomBar(navController: NavHostController) {
val currentDestination: Destination = navController.appCurrentDestinationAsState().value
val topDestination: Destination = navController.appCurrentDestinationAsState().value
?: NavGraphs.root.startAppDestination
var topDestination by rememberSaveable { mutableStateOf(currentDestination.route) }
LaunchedEffect(currentDestination) {
val queue = navController.backQueue
if (queue.size == 2) topDestination = queue[1].destination.route!!
else if (queue.size > 2) topDestination = queue[2].destination.route!!
val bottomBarRoutes = remember {
BottomBarDestination.values().map { it.direction.route }
}
NavigationBar(tonalElevation = 8.dp) {
BottomBarDestination.values().forEach { destination ->
NavigationBarItem(
selected = topDestination == destination.direction.route,
selected = topDestination.route == destination.direction.route,
onClick = {
val firstRoute = navController.backQueue.reversed().first {
it.destination.route in bottomBarRoutes
}.destination.route
navController.navigate(destination.direction.route) {
popUpTo(navController.graph.findStartDestination().id) {
saveState = true
saveState = firstRoute != destination.direction.route
}
launchSingleTop = true
restoreState = true
}
},
icon = {
if (topDestination == destination.direction.route) Icon(destination.iconSelected, stringResource(destination.label))
else Icon(destination.iconNotSelected, stringResource(destination.label))
if (topDestination.route == destination.direction.route) {
Icon(destination.iconSelected, stringResource(destination.label))
} else {
Icon(destination.iconNotSelected, stringResource(destination.label))
}
},
label = { Text(stringResource(destination.label)) },
alwaysShowLabel = false