Extract sample shared KMP code into :sample:shared submodule

iosApp/iosApp.xcodeproj/project.pbxproj

@@ -152,7 +152,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "if [ \"YES\" = \"$OVERRIDE_KOTLIN_BUILD_IDE_SUPPORTED\" ]; then\n  echo \"Skipping Gradle build task invocation due to OVERRIDE_KOTLIN_BUILD_IDE_SUPPORTED environment variable set to \\\"YES\\\"\"\n  exit 0\nfi\nif [ -z \"$JAVA_HOME\" ] || [ ! -d \"$JAVA_HOME\" ]; then\n  export JAVA_HOME=$(/usr/libexec/java_home -v 21 2>/dev/null || /usr/libexec/java_home 2>/dev/null)\nfi\ncd \"$SRCROOT/..\"\n./gradlew :sample:embedAndSignAppleFrameworkForXcode\n";
+			shellScript = "if [ \"YES\" = \"$OVERRIDE_KOTLIN_BUILD_IDE_SUPPORTED\" ]; then\n  echo \"Skipping Gradle build task invocation due to OVERRIDE_KOTLIN_BUILD_IDE_SUPPORTED environment variable set to \\\"YES\\\"\"\n  exit 0\nfi\nif [ -z \"$JAVA_HOME\" ] || [ ! -d \"$JAVA_HOME\" ]; then\n  export JAVA_HOME=$(/usr/libexec/java_home -v 21 2>/dev/null || /usr/libexec/java_home 2>/dev/null)\nfi\ncd \"$SRCROOT/..\"\n./gradlew :sample:shared:embedAndSignAppleFrameworkForXcode\n";
 		};
 /* End PBXShellScriptBuildPhase section */
 
@@ -300,7 +300,7 @@
 				ENABLE_PREVIEWS = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
-					"$(SRCROOT)/../sample/build/xcode-frameworks/$(CONFIGURATION)/$(SDK_NAME)",
+					"$(SRCROOT)/../sample/shared/build/xcode-frameworks/$(CONFIGURATION)/$(SDK_NAME)",
 				);
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = iosApp/Info.plist;
@@ -333,7 +333,7 @@
 				ENABLE_PREVIEWS = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
-					"$(SRCROOT)/../sample/build/xcode-frameworks/$(CONFIGURATION)/$(SDK_NAME)",
+					"$(SRCROOT)/../sample/shared/build/xcode-frameworks/$(CONFIGURATION)/$(SDK_NAME)",
 				);
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = iosApp/Info.plist;

sample/android-app/build.gradle.kts

@@ -40,7 +40,7 @@ android {
 }
 
 dependencies {
-    implementation(project(":sample"))
+    implementation(project(":sample:shared"))
     implementation(project(":featured-debug-ui"))
     implementation(project(":featured-platform"))
     implementation(libs.androidx.activity.compose)

sample/desktop/build.gradle.kts

@@ -0,0 +1,33 @@
+import org.jetbrains.compose.desktop.application.dsl.TargetFormat
+
+plugins {
+    alias(libs.plugins.kotlinMultiplatform)
+    alias(libs.plugins.composeMultiplatform)
+    alias(libs.plugins.composeCompiler)
+}
+
+kotlin {
+    jvmToolchain(21)
+    jvm()
+
+    sourceSets {
+        jvmMain.dependencies {
+            implementation(compose.desktop.currentOs)
+            implementation(libs.kotlinx.coroutinesSwing)
+            implementation(project(":sample:shared"))
+        }
+    }
+}
+
+compose.desktop {
+    application {
+        mainClass = "dev.androidbroadcast.featured.MainDesktop"
+
+        nativeDistributions {
+            targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
+            packageName = "dev.androidbroadcast.featured"
+            // Matches versionName in :sample:android-app
+            packageVersion = "1.0.0"
+        }
+    }
+}

sample/src/jvmMain/kotlin/dev/androidbroadcast/featured/Main.Desktop.kt → sample/desktop/src/jvmMain/kotlin/dev/androidbroadcast/featured/Main.Desktop.kt

@@ -14,7 +14,7 @@ fun main() {
             onCloseRequest = ::exitApplication,
             title = "Featured",
         ) {
-            FeaturedSample(configValues = configValues)
+            SampleApp(configValues = configValues)
         }
     }
 }

sample/build.gradle.kts → sample/shared/build.gradle.kts

@@ -1,4 +1,3 @@
-import org.jetbrains.compose.desktop.application.dsl.TargetFormat
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
@@ -54,22 +53,5 @@ kotlin {
             implementation(project(":core"))
             implementation(project(":featured-registry"))
         }
-
-        jvmMain.dependencies {
-            implementation(compose.desktop.currentOs)
-            implementation(libs.kotlinx.coroutinesSwing)
-        }
-    }
-}
-
-compose.desktop {
-    application {
-        mainClass = "dev.androidbroadcast.featured.MainDesktop"
-
-        nativeDistributions {
-            targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
-            packageName = "dev.androidbroadcast.featured"
-            packageVersion = "1.0.0"
-        }
     }
 }

sample/src/commonMain/kotlin/dev/androidbroadcast/featured/SampleViewModel.kt → sample/shared/src/commonMain/kotlin/dev/androidbroadcast/featured/SampleViewModel.kt

@@ -11,17 +11,8 @@ import kotlinx.coroutines.launch
 public class SampleViewModel(
     private val configValues: ConfigValues,
 ) : ViewModel() {
-    // --- @LocalFlag: main_button_red ---
-
     public val flagActive: StateFlow<Boolean> =
-        configValues
-            .observe(SampleFeatureFlags.mainButtonRed)
-            .map { it.value }
-            .stateIn(
-                initialValue = SampleFeatureFlags.mainButtonRed.defaultValue,
-                scope = viewModelScope,
-                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5_000L),
-            )
+        configValues.asStateFlow(SampleFeatureFlags.mainButtonRed, viewModelScope)
 
     public val mainButtonColor: StateFlow<MainButtonColor> =
         flagActive
@@ -39,53 +30,26 @@ public class SampleViewModel(
         }
     }
 
-    // --- @LocalFlag: new_feature_section_enabled (isEnabled guard pattern) ---
-
     /**
      * Controls visibility of the "New Feature" section.
      * Demonstrates the [ConfigParam.isEnabled] guard pattern for entry-point gating.
      */
     public val newFeatureSectionEnabled: StateFlow<Boolean> =
-        configValues
-            .observe(SampleFeatureFlags.newFeatureSectionEnabled)
-            .map { it.value }
-            .stateIn(
-                initialValue = SampleFeatureFlags.newFeatureSectionEnabled.defaultValue,
-                scope = viewModelScope,
-                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5_000L),
-            )
-
-    // --- @RemoteFlag: promo_banner_enabled ---
+        configValues.asStateFlow(SampleFeatureFlags.newFeatureSectionEnabled, viewModelScope)
 
     /**
      * Whether the promotional banner should be shown.
      * In production this would be driven by Firebase Remote Config.
      */
     public val promoBannerEnabled: StateFlow<Boolean> =
-        configValues
-            .observe(SampleFeatureFlags.promoBannerEnabled)
-            .map { it.value }
-            .stateIn(
-                initialValue = SampleFeatureFlags.promoBannerEnabled.defaultValue,
-                scope = viewModelScope,
-                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5_000L),
-            )
-
-    // --- @RemoteFlag: checkout_variant ---
+        configValues.asStateFlow(SampleFeatureFlags.promoBannerEnabled, viewModelScope)
 
     /**
      * The active checkout variant, driven remotely.
      * Demonstrates multivariate enum flags resolved from a remote provider.
      */
     public val checkoutVariant: StateFlow<CheckoutVariant> =
-        configValues
-            .observe(SampleFeatureFlags.checkoutVariant)
-            .map { it.value }
-            .stateIn(
-                initialValue = SampleFeatureFlags.checkoutVariant.defaultValue,
-                scope = viewModelScope,
-                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5_000L),
-            )
+        configValues.asStateFlow(SampleFeatureFlags.checkoutVariant, viewModelScope)
 
     public sealed interface MainButtonColor {
         public data object Red : MainButtonColor

sample/src/iosMain/kotlin/dev/androidbroadcast/featured/MainViewController.kt → sample/shared/src/iosMain/kotlin/dev/androidbroadcast/featured/MainViewController.kt

@@ -10,6 +10,6 @@ import platform.UIKit.UIViewController
 public fun MainViewController(): UIViewController {
     val configValues = ConfigValues(localProvider = InMemoryConfigValueProvider())
     return ComposeUIViewController {
-        FeaturedSample(configValues = configValues)
+        SampleApp(configValues = configValues)
     }
 }

settings.gradle.kts

@@ -37,8 +37,9 @@ plugins {
 }
 
 include(":featured-gradle-plugin")
-include(":sample")
+include(":sample:shared")
 include(":sample:android-app")
+include(":sample:desktop")
 include(":core")
 include(":featured-compose")
 include(":featured-registry")