msb-public
/
nowinandroid
mirror of https://github.com/android/nowinandroid.git
1
0
Code Issues Projects Releases Wiki Activity

Fix background composable

Browse Source 
Change-Id: I548612191b0b99620777c3e2ad0ace56b228d27d
dt/gradient-color-class
Alex Vanyo 2 years ago
parent 7903f87dcc
commit 54757e9371
1 changed files with 101 additions and 90 deletions
Show Stats Download Patch File Download Diff File

191
app/src/main/java/com/google/samples/apps/nowinandroid/ui/NiaApp.kt
Unescape View File

@ -66,6 +66,7 @@ import com.google.samples.apps.nowinandroid.core.designsystem.component.NiaTopAp
import com.google.samples.apps.nowinandroid.core.designsystem.icon.Icon.DrawableResourceIcon
import com.google.samples.apps.nowinandroid.core.designsystem.icon.Icon.ImageVectorIcon
import com.google.samples.apps.nowinandroid.core.designsystem.icon.NiaIcons
import com.google.samples.apps.nowinandroid.core.designsystem.theme.LocalGradientColors
import com.google.samples.apps.nowinandroid.feature.settings.R as settingsR
import com.google.samples.apps.nowinandroid.feature.settings.SettingsDialog
import com.google.samples.apps.nowinandroid.navigation.NiaNavHost
@ -86,109 +87,119 @@ fun NiaApp(
windowSizeClass = windowSizeClass
),
) {
val background: @Composable (@Composable () -> Unit) -> Unit =
when (appState.currentTopLevelDestination) {
TopLevelDestination.FOR_YOU -> {
content ->
NiaGradientBackground(content = content)
}
else -> { content -> NiaBackground(content = content) }
}
val showGradientBackground = appState.currentTopLevelDestination == TopLevelDestination.FOR_YOU
background {
NiaBackground {
NiaGradientBackground(
topColor = if (showGradientBackground) {
LocalGradientColors.current.top
} else {
Color.Unspecified
},
bottomColor = if (showGradientBackground) {
LocalGradientColors.current.bottom
} else {
Color.Unspecified
},
containerColor = if (showGradientBackground) {
LocalGradientColors.current.container
} else {
Color.Unspecified
},
) {
val snackbarHostState = remember { SnackbarHostState() }
val snackbarHostState = remember { SnackbarHostState() }
Scaffold(
modifier = Modifier.semantics {
testTagsAsResourceId = true
},
containerColor = Color.Transparent,
contentColor = MaterialTheme.colorScheme.onBackground,
contentWindowInsets = WindowInsets(0, 0, 0, 0),
snackbarHost = { SnackbarHost(snackbarHostState) },
topBar = {
// Show the top app bar on top level destinations.
val destination = appState.currentTopLevelDestination
if (destination != null) {
NiaTopAppBar(
// When the nav rail is displayed, the top app bar will, by default
// overlap it. This means that the top most item in the nav rail
// won't be tappable. A workaround is to position the top app bar
// behind the nav rail using zIndex.
modifier = Modifier.zIndex(-1F),
titleRes = destination.titleTextId,
actionIcon = NiaIcons.Settings,
actionIconContentDescription = stringResource(
id = settingsR.string.top_app_bar_action_icon_description
),
colors = TopAppBarDefaults.centerAlignedTopAppBarColors(
containerColor = Color.Transparent
),
onActionClick = { appState.setShowSettingsDialog(true) }
)
}
},
bottomBar = {
if (appState.shouldShowBottomBar) {
NiaBottomBar(
destinations = appState.topLevelDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier.testTag("NiaBottomBar")
)
}
}
) { padding ->
Scaffold(
modifier = Modifier.semantics {
testTagsAsResourceId = true
},
containerColor = Color.Transparent,
contentColor = MaterialTheme.colorScheme.onBackground,
contentWindowInsets = WindowInsets(0, 0, 0, 0),
snackbarHost = { SnackbarHost(snackbarHostState) },
topBar = {
// Show the top app bar on top level destinations.
val destination = appState.currentTopLevelDestination
if (destination != null) {
NiaTopAppBar(
// When the nav rail is displayed, the top app bar will, by default
// overlap it. This means that the top most item in the nav rail
// won't be tappable. A workaround is to position the top app bar
// behind the nav rail using zIndex.
modifier = Modifier.zIndex(-1F),
titleRes = destination.titleTextId,
actionIcon = NiaIcons.Settings,
actionIconContentDescription = stringResource(
id = settingsR.string.top_app_bar_action_icon_description
),
colors = TopAppBarDefaults.centerAlignedTopAppBarColors(
containerColor = Color.Transparent
),
onActionClick = { appState.setShowSettingsDialog(true) }
val isOffline by appState.isOffline.collectAsStateWithLifecycle()
// If user is not connected to the internet show a snack bar to inform them.
val notConnected = stringResource(R.string.not_connected)
LaunchedEffect(isOffline) {
if (isOffline) snackbarHostState.showSnackbar(
message = notConnected,
duration = Indefinite
)
}
},
bottomBar = {
if (appState.shouldShowBottomBar) {
NiaBottomBar(
destinations = appState.topLevelDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier.testTag("NiaBottomBar")
if (appState.shouldShowSettingsDialog) {
SettingsDialog(
onDismiss = { appState.setShowSettingsDialog(false) }
)
}
}
) { padding ->
val isOffline by appState.isOffline.collectAsStateWithLifecycle()
// If user is not connected to the internet show a snack bar to inform them.
val notConnected = stringResource(R.string.not_connected)
LaunchedEffect(isOffline) {
if (isOffline) snackbarHostState.showSnackbar(
message = notConnected,
duration = Indefinite
)
}
Row(
Modifier
.fillMaxSize()
.windowInsetsPadding(
WindowInsets.safeDrawing.only(
WindowInsetsSides.Horizontal
)
)
) {
if (appState.shouldShowNavRail) {
NiaNavRail(
destinations = appState.topLevelDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier
.testTag("NiaNavRail")
.safeDrawingPadding()
)
}
if (appState.shouldShowSettingsDialog) {
SettingsDialog(
onDismiss = { appState.setShowSettingsDialog(false) }
)
}
NiaNavHost(
navController = appState.navController,
onBackClick = appState::onBackClick,
Row(
Modifier
.fillMaxSize()
.windowInsetsPadding(
WindowInsets.safeDrawing.only(
WindowInsetsSides.Horizontal
)
)
) {
if (appState.shouldShowNavRail) {
NiaNavRail(
destinations = appState.topLevelDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier
.testTag("NiaNavRail")
.safeDrawingPadding()
.padding(padding)
.consumedWindowInsets(padding)
)
}
NiaNavHost(
navController = appState.navController,
onBackClick = appState::onBackClick,
modifier = Modifier
.padding(padding)
.consumedWindowInsets(padding)
)
// TODO: We may want to add padding or spacer when the snackbar is shown so that
// content doesn't display behind it.
// TODO: We may want to add padding or spacer when the snackbar is shown so that
// content doesn't display behind it.
}
}
}
}

Write Preview
Loading…
Cancel
Save