ericampire/lottiefiles-app
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Pop up to the start destination of the graph to avoid building up a large stack of destinations on the back stack as users select items

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This commit is contained in:
Eric Ampire
2021-09-04 19:46:00 +02:00
parent a465fa324d
commit 74415cb2f3
1 changed files with 13 additions and 9 deletions
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app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/main/ui/MainScreen.kt
+13 -9
View File
@@ -1,23 +1,22 @@
package com.ericampire.android.androidstudycase.presentation.screen.main.ui package com.ericampire.android.androidstudycase.presentation.screen.main.ui
import androidx.compose.runtime.Composable
import androidx.navigation.compose.rememberNavController
import androidx.compose.animation.ExperimentalAnimationApi
import androidx.compose.foundation.ExperimentalFoundationApi
import androidx.compose.foundation.layout.padding import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.material.* import androidx.compose.material.*
import androidx.compose.material.icons.Icons import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.rounded.* import androidx.compose.material.icons.rounded.Escalator
import androidx.compose.runtime.* import androidx.compose.material.icons.rounded.Home
import androidx.compose.material.icons.rounded.QrCodeScanner
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.ui.Modifier import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.vector.ImageVector import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.res.stringResource import androidx.compose.ui.res.stringResource
import androidx.navigation.NavDestination.Companion.hierarchy import androidx.navigation.NavDestination.Companion.hierarchy
import androidx.navigation.NavGraph.Companion.findStartDestination
import androidx.navigation.compose.NavHost import androidx.navigation.compose.NavHost
import androidx.hilt.navigation.compose.hiltViewModel
import androidx.navigation.compose.currentBackStackEntryAsState import androidx.navigation.compose.currentBackStackEntryAsState
import androidx.navigation.compose.rememberNavController
import com.ericampire.android.androidstudycase.app.addExploreScreen import com.ericampire.android.androidstudycase.app.addExploreScreen
import com.ericampire.android.androidstudycase.app.addHomeScreen import com.ericampire.android.androidstudycase.app.addHomeScreen
import com.ericampire.android.androidstudycase.app.addPreviewScreen import com.ericampire.android.androidstudycase.app.addPreviewScreen
@@ -38,7 +37,9 @@ fun MainScreen() {
) )
Scaffold( Scaffold(
modifier = Modifier.statusBarsPadding().navigationBarsPadding(), modifier = Modifier
.statusBarsPadding()
.navigationBarsPadding(),
bottomBar = { bottomBar = {
BottomNavigation( BottomNavigation(
backgroundColor = MaterialTheme.colors.background, backgroundColor = MaterialTheme.colors.background,
@@ -61,6 +62,9 @@ fun MainScreen() {
selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true, selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true,
onClick = { onClick = {
navController.navigate(screen.route) { navController.navigate(screen.route) {
popUpTo(navController.graph.findStartDestination().id) {
saveState = true
}
launchSingleTop = true launchSingleTop = true
restoreState = true restoreState = true
} }