Create first sample for WSC L and XL

WindowSizeClassSample/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+/.idea/
+/.kotlin/

WindowSizeClassSample/app/.gitignore

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+/build

WindowSizeClassSample/app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
+}
+
+android {
+    namespace = "com.google.sample.wsc.lxl"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "com.google.sample.wsc.lxl"
+        minSdk = 24
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.material3.adaptive)
+    implementation(libs.androidx.material3.wsc)
+    implementation(libs.androidx.window)
+    implementation(libs.androidx.window.core)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}

WindowSizeClassSample/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

WindowSizeClassSample/app/src/androidTest/java/com/google/sample/wsc/lxl/ExampleInstrumentedTest.kt

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+package com.google.sample.wsc.lxl
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.google.sample.wsc.lxl", appContext.packageName)
+    }
+}

WindowSizeClassSample/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.WindowSizeClassSample">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.WindowSizeClassSample">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

WindowSizeClassSample/app/src/main/java/com/google/sample/wsc/lxl/MainActivity.kt

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+package com.google.sample.wsc.lxl
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.ui.Modifier
+import com.google.sample.wsc.lxl.ui.Content
+import com.google.sample.wsc.lxl.ui.theme.WindowSizeClassSampleTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            WindowSizeClassSampleTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Content(
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}

WindowSizeClassSample/app/src/main/java/com/google/sample/wsc/lxl/ui/Content.kt

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+package com.google.sample.wsc.lxl.ui
+
+import androidx.activity.compose.LocalActivity
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.GridItemSpan
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.PreviewScreenSizes
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.google.sample.wsc.lxl.utils.Height
+import com.google.sample.wsc.lxl.utils.Width
+import com.google.sample.wsc.lxl.utils.calculateColumns
+import com.google.sample.wsc.lxl.utils.calculateColumnsForTitles
+import com.google.sample.wsc.lxl.utils.material
+import com.google.sample.wsc.lxl.utils.windowManager
+
+@PreviewScreenSizes
+@Composable
+fun Content(modifier: Modifier = Modifier) {
+
+    val wm = LocalActivity.current!!.windowManager()
+    val material = material()
+    val numberOfColumns = calculateColumns(wm.first)
+    val numberOfColumnsForTitles = calculateColumnsForTitles(wm.first)
+
+    LazyVerticalGrid(
+        columns = GridCells.Fixed(numberOfColumns), modifier = modifier.fillMaxSize()
+    ) {
+        item(span = { GridItemSpan(numberOfColumnsForTitles) }) {
+            Title()
+        }
+        item(span = { GridItemSpan(numberOfColumnsForTitles) }) {
+            Subtitle("WindowManager")
+        }
+        item {
+            WidthComposable(width = wm.first)
+        }
+        item {
+            HeightComposable(height = wm.second)
+        }
+
+        if (numberOfColumns < 3) {
+            item(span = { GridItemSpan(numberOfColumnsForTitles) }) {
+                HorizontalDivider(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(vertical = 8.dp, horizontal = 24.dp),
+                    thickness = 4.dp,
+                    color = MaterialTheme.colorScheme.onPrimaryFixedVariant
+                )
+            }
+        }
+
+        item(span = { GridItemSpan(numberOfColumnsForTitles) }) {
+            Subtitle("Material")
+        }
+        item {
+            WidthComposable(material.first)
+        }
+        item {
+            HeightComposable(material.second)
+        }
+    }
+}
+
+@Composable
+private fun Title() {
+    Text(
+        text = "WindowSizeClass Sample",
+        modifier = Modifier
+            .fillMaxSize()
+            .background(color = MaterialTheme.colorScheme.inverseOnSurface)
+            .padding(vertical = 16.dp),
+        style = MaterialTheme.typography.headlineLarge,
+        textAlign = TextAlign.Center
+    )
+}
+
+@Composable
+private fun Subtitle(text: String) {
+    Text(
+        text = text,
+        modifier = Modifier
+            .fillMaxSize()
+            .background(color = MaterialTheme.colorScheme.onPrimaryContainer)
+            .padding(vertical = 16.dp),
+        color = MaterialTheme.colorScheme.onPrimary,
+        style = MaterialTheme.typography.headlineSmall,
+        textAlign = TextAlign.Center
+    )
+}
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+private fun WidthComposable(width: Width) {
+    Column {
+        DimensionTitle(title = "Width")
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(top = 4.dp),
+            horizontalArrangement = Arrangement.SpaceEvenly
+        ) {
+            for (w in Width.entries) {
+                Indicator(label = w.label, isSelected = w == width)
+            }
+        }
+    }
+}
+
+@Composable
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+private fun DimensionTitle(title: String) {
+    Text(
+        text = title, modifier = Modifier
+            .fillMaxSize()
+            .background(color = MaterialTheme.colorScheme.tertiaryContainer)
+            .padding(vertical = 8.dp),
+        color = MaterialTheme.colorScheme.onTertiaryContainer,
+        style = MaterialTheme.typography.bodyMediumEmphasized,
+        textAlign = TextAlign.Center
+    )
+}
+
+@Composable
+private fun RowScope.Indicator(label: String, isSelected: Boolean) {
+    val backgroundColor = if (isSelected) {
+        MaterialTheme.colorScheme.primaryContainer
+    } else {
+        MaterialTheme.colorScheme.secondaryContainer
+    }
+    val borderWidth = if (isSelected) {
+        2.dp
+    } else {
+        0.dp
+    }
+    val textColor = if (isSelected) {
+        MaterialTheme.colorScheme.onPrimaryContainer
+    } else {
+        MaterialTheme.colorScheme.onSecondaryContainer
+    }
+    Box(
+        modifier = Modifier
+            .padding(horizontal = 2.dp)
+            .weight(1f)
+            .height(200.dp)
+            .background(color = backgroundColor, shape = MaterialTheme.shapes.medium)
+            .border(
+                width = borderWidth,
+                color = MaterialTheme.colorScheme.onPrimaryContainer,
+                shape = MaterialTheme.shapes.medium
+            ),
+        contentAlignment = Alignment.BottomCenter
+    ) {
+        Text(
+            text = label,
+            color = textColor,
+            modifier = Modifier.padding(all = 4.dp),
+            fontSize = 12.sp
+        )
+    }
+}
+
+@Composable
+private fun HeightComposable(height: Height) {
+    Column {
+        DimensionTitle(title = "Height")
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(top = 4.dp),
+            horizontalArrangement = Arrangement.SpaceEvenly
+        ) {
+            for (h in Height.entries) {
+                Indicator(label = h.label, isSelected = h == height)
+            }
+        }
+    }
+}

WindowSizeClassSample/app/src/main/java/com/google/sample/wsc/lxl/ui/theme/Color.kt

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+package com.google.sample.wsc.lxl.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)