Change-Id: I02d1058593bbfa25eb7d9f2489b1960792b0e71efeature/adaptive_scaffold
Miłosz Moczkowski
1 year ago
parent
4d65946f95
commit
594e1798d9
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/*
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* Copyright 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.ui
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import androidx.compose.foundation.layout.PaddingValues
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.WindowInsets
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import androidx.compose.foundation.layout.padding
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.NavigationBar
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import androidx.compose.material3.NavigationBarDefaults
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import androidx.compose.material3.NavigationBarItem
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import androidx.compose.material3.NavigationBarItemDefaults
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import androidx.compose.material3.NavigationDrawerItem
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import androidx.compose.material3.NavigationDrawerItemDefaults
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import androidx.compose.material3.NavigationRail
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import androidx.compose.material3.NavigationRailDefaults
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import androidx.compose.material3.NavigationRailItem
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import androidx.compose.material3.NavigationRailItemDefaults
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import androidx.compose.material3.PermanentDrawerSheet
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import androidx.compose.material3.PermanentNavigationDrawer
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.ScaffoldDefaults
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import androidx.compose.material3.contentColorFor
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.platform.LocalContext
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import androidx.window.layout.WindowMetricsCalculator
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class AdaptiveScaffoldNavigationComponentColors internal constructor(
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val railContainerColor: Color,
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val drawerContainerColor: Color,
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val bottomBarContainerColor: Color,
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val contentContainerColor: Color,
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val contentColor: Color,
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val selectedIconColor: Color,
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val selectedTextColor: Color,
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val unselectedIconColor: Color,
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val unselectedTextColor: Color,
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val selectedContainerColor: Color,
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val unselectedContainerColor: Color,
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)
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object AdaptiveScaffoldNavigationComponentDefaults {
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@Composable
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fun colors(
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railContainerColor: Color = NavigationRailDefaults.ContainerColor,
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drawerContainerColor: Color = MaterialTheme.colorScheme.surface,
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bottomBarContainerColor: Color = NavigationBarDefaults.containerColor,
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contentContainerColor: Color = MaterialTheme.colorScheme.background,
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contentColor: Color = contentColorFor(contentContainerColor),
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selectedIconColor: Color = MaterialTheme.colorScheme.onSecondaryContainer,
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selectedTextColor: Color = MaterialTheme.colorScheme.onSecondaryContainer,
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unselectedIconColor: Color = MaterialTheme.colorScheme.onSurfaceVariant,
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unselectedTextColor: Color = MaterialTheme.colorScheme.onSurfaceVariant,
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selectedContainerColor: Color = MaterialTheme.colorScheme.secondaryContainer,
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unselectedContainerColor: Color = MaterialTheme.colorScheme.surface
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) = AdaptiveScaffoldNavigationComponentColors(
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railContainerColor = railContainerColor,
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drawerContainerColor = drawerContainerColor,
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bottomBarContainerColor = bottomBarContainerColor,
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contentContainerColor = contentContainerColor,
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contentColor = contentColor,
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selectedIconColor = selectedIconColor,
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selectedTextColor = selectedTextColor,
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unselectedIconColor = unselectedIconColor,
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unselectedTextColor = unselectedTextColor,
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selectedContainerColor = selectedContainerColor,
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unselectedContainerColor = unselectedContainerColor,
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)
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}
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun <T> AdaptiveScaffold(
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modifier: Modifier = Modifier,
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navigationItems: List<T>,
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navigationItemTitle: @Composable (item: T, isSelected: Boolean) -> Unit,
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navigationItemIcon: @Composable (item: T, isSelected: Boolean) -> Unit,
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isItemSelected: @Composable (item: T) -> Boolean,
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onNavigationItemClick: (item: T) -> Unit,
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topBar: @Composable () -> Unit = {},
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snackbarHost: @Composable () -> Unit = {},
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colors: AdaptiveScaffoldNavigationComponentColors = AdaptiveScaffoldNavigationComponentDefaults.colors(),
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contentWindowInsets: WindowInsets = ScaffoldDefaults.contentWindowInsets,
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content: @Composable (padding: PaddingValues) -> Unit,
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) {
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val context = LocalContext.current
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val metrics = WindowMetricsCalculator.getOrCreate().computeCurrentWindowMetrics(context)
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val widthDp = metrics.bounds.width() / context.resources.displayMetrics.density
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when {
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widthDp >= 1240f -> {
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Scaffold(
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modifier = modifier,
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topBar = topBar,
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snackbarHost = snackbarHost,
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containerColor = colors.contentContainerColor,
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contentColor = colors.contentColor,
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contentWindowInsets = contentWindowInsets,
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) { padding ->
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PermanentNavigationDrawer(
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drawerContent = {
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PermanentDrawerSheet(
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drawerContainerColor = colors.drawerContainerColor,
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) {
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navigationItems.forEach { item ->
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NavigationDrawerItem(
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label = { navigationItemTitle(item, isItemSelected(item)) },
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icon = { navigationItemIcon(item, isItemSelected(item)) },
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selected = isItemSelected(item),
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onClick = { onNavigationItemClick(item) },
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colors = NavigationDrawerItemDefaults.colors(
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selectedContainerColor = colors.selectedContainerColor,
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unselectedContainerColor = colors.unselectedContainerColor,
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selectedIconColor = colors.selectedIconColor,
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unselectedIconColor = colors.unselectedIconColor,
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selectedTextColor = colors.selectedTextColor,
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unselectedTextColor = colors.unselectedTextColor,
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),
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)
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}
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}
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},
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modifier = Modifier.padding(padding),
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) {
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content(padding)
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}
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}
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}
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widthDp >= 600f -> {
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Scaffold(
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modifier = modifier,
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topBar = topBar,
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snackbarHost = snackbarHost,
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containerColor = colors.contentContainerColor,
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contentColor = colors.contentColor,
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contentWindowInsets = contentWindowInsets,
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) { padding ->
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Row {
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NavigationRail(
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containerColor = colors.railContainerColor,
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) {
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navigationItems.forEach { item ->
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NavigationRailItem(
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label = { navigationItemTitle(item, isItemSelected(item)) },
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icon = { navigationItemIcon(item, isItemSelected(item)) },
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selected = isItemSelected(item),
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onClick = { onNavigationItemClick(item) },
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colors = NavigationRailItemDefaults.colors(
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indicatorColor = colors.selectedContainerColor,
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selectedIconColor = colors.selectedIconColor,
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unselectedIconColor = colors.unselectedIconColor,
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selectedTextColor = colors.selectedTextColor,
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unselectedTextColor = colors.unselectedTextColor,
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),
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)
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}
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}
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content(padding)
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}
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}
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}
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else -> {
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Scaffold(
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modifier = modifier,
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snackbarHost = snackbarHost,
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bottomBar = {
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NavigationBar(
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containerColor = colors.bottomBarContainerColor,
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) {
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navigationItems.forEach { item ->
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NavigationBarItem(
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label = { navigationItemTitle(item, isItemSelected(item)) },
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icon = { navigationItemIcon(item, isItemSelected(item)) },
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selected = isItemSelected(item),
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onClick = { onNavigationItemClick(item) },
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colors = NavigationBarItemDefaults.colors(
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indicatorColor = colors.selectedContainerColor,
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selectedIconColor = colors.selectedIconColor,
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unselectedIconColor = colors.unselectedIconColor,
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selectedTextColor = colors.selectedTextColor,
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unselectedTextColor = colors.unselectedTextColor,
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),
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)
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}
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}
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},
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containerColor = colors.contentContainerColor,
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contentColor = colors.contentColor,
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contentWindowInsets = contentWindowInsets,
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) { padding ->
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content(padding)
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}
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}
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}
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}
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