diff --git a/packages/SystemUI/compose/core/src/com/android/systemui/compose/theme/AndroidColorScheme.kt b/packages/SystemUI/compose/core/src/com/android/systemui/compose/theme/AndroidColorScheme.kt
index 4d5014cdbba77..b8639e64e0020 100644
--- a/packages/SystemUI/compose/core/src/com/android/systemui/compose/theme/AndroidColorScheme.kt
+++ b/packages/SystemUI/compose/core/src/com/android/systemui/compose/theme/AndroidColorScheme.kt
@@ -37,7 +37,7 @@ val LocalAndroidColorScheme =
* Important: Use M3 colors from MaterialTheme.colorScheme whenever possible instead. In the future,
* most of the colors in this class will be removed in favor of their M3 counterpart.
*/
-class AndroidColorScheme internal constructor(private val context: Context) {
+class AndroidColorScheme internal constructor(context: Context) {
val colorPrimary = getColor(context, R.attr.colorPrimary)
val colorPrimaryDark = getColor(context, R.attr.colorPrimaryDark)
val colorAccent = getColor(context, R.attr.colorAccent)
diff --git a/packages/SystemUI/compose/gallery/Android.bp b/packages/SystemUI/compose/gallery/Android.bp
index bddc1e63fee8f..40504dc30c338 100644
--- a/packages/SystemUI/compose/gallery/Android.bp
+++ b/packages/SystemUI/compose/gallery/Android.bp
@@ -34,6 +34,7 @@ android_library {
],
static_libs: [
+ "SystemUI-core",
"SystemUIComposeCore",
"SystemUIComposeFeatures",
diff --git a/packages/SystemUI/compose/gallery/AndroidManifest.xml b/packages/SystemUI/compose/gallery/AndroidManifest.xml
index 4fcce0bf6968b..2f30651a6acf9 100644
--- a/packages/SystemUI/compose/gallery/AndroidManifest.xml
+++ b/packages/SystemUI/compose/gallery/AndroidManifest.xml
@@ -16,7 +16,40 @@
-->
+
+
+
+
+
+
+
+
+
diff --git a/packages/SystemUI/compose/gallery/app/AndroidManifest.xml b/packages/SystemUI/compose/gallery/app/AndroidManifest.xml
index e7d496c2cb355..1f3fd8c312d9e 100644
--- a/packages/SystemUI/compose/gallery/app/AndroidManifest.xml
+++ b/packages/SystemUI/compose/gallery/app/AndroidManifest.xml
@@ -16,6 +16,7 @@
-->
+ android:theme="@style/Theme.SystemUI.Gallery"
+ tools:replace="android:icon,android:theme,android:label">
-
-
-
-
\ No newline at end of file
diff --git a/packages/SystemUI/compose/gallery/res/values/themes.xml b/packages/SystemUI/compose/gallery/res/values/themes.xml
index 6e5e99832f094..45fa1f5dfb5ca 100644
--- a/packages/SystemUI/compose/gallery/res/values/themes.xml
+++ b/packages/SystemUI/compose/gallery/res/values/themes.xml
@@ -15,7 +15,10 @@
limitations under the License.
-->
-
-
\ No newline at end of file
+
diff --git a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/ConfigurationControls.kt b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/ConfigurationControls.kt
index 06bdad8a67351..990d060207df1 100644
--- a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/ConfigurationControls.kt
+++ b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/ConfigurationControls.kt
@@ -9,11 +9,12 @@ import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.LazyRow
import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.BrightnessHigh
-import androidx.compose.material.icons.filled.BrightnessLow
+import androidx.compose.material.icons.filled.DarkMode
import androidx.compose.material.icons.filled.FormatSize
import androidx.compose.material.icons.filled.FormatTextdirectionLToR
import androidx.compose.material.icons.filled.FormatTextdirectionRToL
+import androidx.compose.material.icons.filled.InvertColors
+import androidx.compose.material.icons.filled.LightMode
import androidx.compose.material.icons.filled.Smartphone
import androidx.compose.material.icons.filled.Tablet
import androidx.compose.material3.Button
@@ -44,12 +45,13 @@ enum class FontScale(val scale: Float) {
/** A configuration panel that allows to toggle the theme, font scale and layout direction. */
@Composable
fun ConfigurationControls(
- isDarkTheme: Boolean,
+ theme: Theme,
fontScale: FontScale,
layoutDirection: LayoutDirection,
onChangeTheme: () -> Unit,
onChangeLayoutDirection: () -> Unit,
onChangeFontScale: () -> Unit,
+ modifier: Modifier = Modifier,
) {
// The display we are emulating, if any.
var emulatedDisplayName by rememberSaveable { mutableStateOf(null) }
@@ -84,18 +86,26 @@ fun ConfigurationControls(
// TODO(b/231131244): Fork FlowRow from Accompanist and use that instead to make sure that users
// don't miss any available configuration.
- LazyRow {
+ LazyRow(modifier) {
// Dark/light theme.
item {
TextButton(onChangeTheme) {
val text: String
val icon: ImageVector
- if (isDarkTheme) {
- icon = Icons.Default.BrightnessHigh
- text = "Dark"
- } else {
- icon = Icons.Default.BrightnessLow
- text = "Light"
+
+ when (theme) {
+ Theme.System -> {
+ icon = Icons.Default.InvertColors
+ text = "System"
+ }
+ Theme.Dark -> {
+ icon = Icons.Default.DarkMode
+ text = "Dark"
+ }
+ Theme.Light -> {
+ icon = Icons.Default.LightMode
+ text = "Light"
+ }
}
Icon(icon, null)
diff --git a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryActivity.kt b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryActivity.kt
index d18b454bc78fb..bb2d2feba39fa 100644
--- a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryActivity.kt
+++ b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryActivity.kt
@@ -16,6 +16,8 @@
package com.android.systemui.compose.gallery
+import android.app.UiModeManager
+import android.content.Context
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
@@ -23,7 +25,7 @@ import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.runtime.SideEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.setValue
import androidx.compose.ui.graphics.Color
import androidx.core.view.WindowCompat
@@ -33,22 +35,46 @@ class GalleryActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
WindowCompat.setDecorFitsSystemWindows(window, false)
+ val uiModeManager = getSystemService(Context.UI_MODE_SERVICE) as UiModeManager
setContent {
- val isSystemInDarkTheme = isSystemInDarkTheme()
- var isDarkTheme by remember { mutableStateOf(isSystemInDarkTheme) }
- val onChangeTheme = { isDarkTheme = !isDarkTheme }
+ var theme by rememberSaveable { mutableStateOf(Theme.System) }
+ val onChangeTheme = {
+ // Change to the next theme for a toggle behavior.
+ theme =
+ when (theme) {
+ Theme.System -> Theme.Dark
+ Theme.Dark -> Theme.Light
+ Theme.Light -> Theme.System
+ }
+ }
+ val isSystemInDarkTheme = isSystemInDarkTheme()
+ val isDark = theme == Theme.Dark || (theme == Theme.System && isSystemInDarkTheme)
+ val useDarkIcons = !isDark
val systemUiController = rememberSystemUiController()
- val useDarkIcons = !isDarkTheme
SideEffect {
systemUiController.setSystemBarsColor(
color = Color.Transparent,
darkIcons = useDarkIcons,
)
+
+ uiModeManager.setApplicationNightMode(
+ when (theme) {
+ Theme.System -> UiModeManager.MODE_NIGHT_AUTO
+ Theme.Dark -> UiModeManager.MODE_NIGHT_YES
+ Theme.Light -> UiModeManager.MODE_NIGHT_NO
+ }
+ )
}
- GalleryApp(isDarkTheme, onChangeTheme)
+ GalleryApp(theme, onChangeTheme)
}
}
}
+
+enum class Theme {
+ System,
+ Dark,
+ Light,
+}
diff --git a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryApp.kt b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryApp.kt
index 0ac3a63aa9972..c341867bfb591 100644
--- a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryApp.kt
+++ b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/GalleryApp.kt
@@ -23,36 +23,38 @@ import androidx.compose.ui.unit.Density
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
import androidx.navigation.compose.rememberNavController
import com.android.systemui.compose.theme.SystemUITheme
-enum class Screen {
- Home,
- Typography,
- MaterialColors,
- AndroidColors,
- ExampleFeature,
+/** The gallery app screens. */
+object GalleryAppScreens {
+ val Typography = ChildScreen("typography") { TypographyScreen() }
+ val MaterialColors = ChildScreen("material_colors") { MaterialColorsScreen() }
+ val AndroidColors = ChildScreen("android_colors") { AndroidColorsScreen() }
+ val ExampleFeature = ChildScreen("example_feature") { ExampleFeatureScreen() }
+
+ val Home =
+ ParentScreen(
+ "home",
+ mapOf(
+ "Typography" to Typography,
+ "Material colors" to MaterialColors,
+ "Android colors" to AndroidColors,
+ "Example feature" to ExampleFeature,
+ )
+ )
}
-/** The main content of the app, that shows the [HomeScreen] by default. */
+/** The main content of the app, that shows [GalleryAppScreens.Home] by default. */
@Composable
private fun MainContent() {
Box(Modifier.fillMaxSize()) {
val navController = rememberNavController()
NavHost(
navController = navController,
- startDestination = Screen.Home.name,
+ startDestination = GalleryAppScreens.Home.identifier,
) {
- composable(Screen.Home.name) {
- HomeScreen(
- onScreenSelected = { navController.navigate(it.name) },
- )
- }
- composable(Screen.Typography.name) { TypographyScreen() }
- composable(Screen.MaterialColors.name) { MaterialColorsScreen() }
- composable(Screen.AndroidColors.name) { AndroidColorsScreen() }
- composable(Screen.ExampleFeature.name) { ExampleFeatureScreen() }
+ screen(GalleryAppScreens.Home, navController)
}
}
}
@@ -63,7 +65,7 @@ private fun MainContent() {
*/
@Composable
fun GalleryApp(
- isDarkTheme: Boolean,
+ theme: Theme,
onChangeTheme: () -> Unit,
) {
val systemFontScale = LocalDensity.current.fontScale
@@ -98,14 +100,14 @@ fun GalleryApp(
LocalDensity provides density,
LocalLayoutDirection provides layoutDirection,
) {
- SystemUITheme(isDarkTheme) {
+ SystemUITheme {
Surface(
Modifier.fillMaxSize(),
color = MaterialTheme.colorScheme.background,
) {
Column(Modifier.fillMaxSize().systemBarsPadding().padding(16.dp)) {
ConfigurationControls(
- isDarkTheme,
+ theme,
fontScale,
layoutDirection,
onChangeTheme,
diff --git a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/HomeScreen.kt b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/HomeScreen.kt
deleted file mode 100644
index b1869da981367..0000000000000
--- a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/HomeScreen.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.compose.gallery
-
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-
-/** The home screen shown when starting the app. */
-@Composable
-fun HomeScreen(onScreenSelected: (Screen) -> Unit) {
- LazyColumn(
- verticalArrangement = Arrangement.spacedBy(8.dp),
- ) {
- Screen.values()
- .filter { it != Screen.Home }
- .forEach { screen ->
- item {
- Surface(
- Modifier.fillMaxWidth(),
- color = MaterialTheme.colorScheme.secondaryContainer,
- shape = CircleShape,
- ) {
- Column(
- Modifier.clickable { onScreenSelected(screen) }.padding(16.dp),
- horizontalAlignment = Alignment.CenterHorizontally,
- ) {
- Text(screen.name)
- }
- }
- }
- }
- }
-}
diff --git a/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/Screen.kt b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/Screen.kt
new file mode 100644
index 0000000000000..467dac044b79c
--- /dev/null
+++ b/packages/SystemUI/compose/gallery/src/com/android/systemui/compose/gallery/Screen.kt
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.compose.gallery
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.navigation
+
+/**
+ * A screen in an app. It is either an [ParentScreen] which lists its child screens to navigate to
+ * them or a [ChildScreen] which shows some content.
+ */
+sealed class Screen(val identifier: String)
+
+class ParentScreen(
+ identifier: String,
+ val children: Map,
+) : Screen(identifier)
+
+class ChildScreen(
+ identifier: String,
+ val content: @Composable (NavController) -> Unit,
+) : Screen(identifier)
+
+/** Create the navigation graph for [screen]. */
+fun NavGraphBuilder.screen(screen: Screen, navController: NavController) {
+ when (screen) {
+ is ChildScreen -> composable(screen.identifier) { screen.content(navController) }
+ is ParentScreen -> {
+ val menuRoute = "${screen.identifier}_menu"
+ navigation(startDestination = menuRoute, route = screen.identifier) {
+ // The menu to navigate to one of the children screens.
+ composable(menuRoute) { ScreenMenu(screen, navController) }
+
+ // The content of the child screens.
+ screen.children.forEach { (_, child) -> screen(child, navController) }
+ }
+ }
+ }
+}
+
+@Composable
+private fun ScreenMenu(
+ screen: ParentScreen,
+ navController: NavController,
+) {
+ LazyColumn(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+ screen.children.forEach { (name, child) ->
+ item {
+ Surface(
+ Modifier.fillMaxWidth(),
+ color = MaterialTheme.colorScheme.secondaryContainer,
+ shape = CircleShape,
+ ) {
+ Column(
+ Modifier.clickable { navController.navigate(child.identifier) }
+ .padding(16.dp),
+ horizontalAlignment = Alignment.CenterHorizontally,
+ ) {
+ Text(name)
+ }
+ }
+ }
+ }
+ }
+}