Support AGP 9.0.0-alpha01 and improve compatibility handling for AGP < 8.10 (JetBrains#5391)

- Updated Gradle to support version 9.0.0.  
- Improved Compose resource configuration to handle AGP versions below
8.10 with a fallback implementation.
- Bumped Kotlin to 2.2.0 release and updated related dependencies.  
- Adjusted tests to reflect changes in AGP-specific behavior and
logging.

Fixes https://youtrack.jetbrains.com/issue/CMP-8771

## Release Notes
### Fixes - Gradle Plugin
- Support `AGP 9.0.0`

Author: terrakok

.github/workflows/gradle-plugin.yml

@@ -17,8 +17,8 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-24.04', 'macos-14', 'windows-2022']
-        gradle: ['8.7', '8.13']
-        agp: ['8.6.0', '8.9.0']
+        gradle: ['8.7', '9.0.0']
+        agp: ['8.6.0', '8.9.0', '9.0.0-alpha01']
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4

gradle-plugins/compose/build.gradle.kts

@@ -57,8 +57,7 @@ dependencies {
 
     compileOnly(gradleApi())
     compileOnly(localGroovy())
-    //the version supports XCFramework with resources https://youtrack.jetbrains.com/issue/KT-75823
-    compileOnly(kotlin("gradle-plugin", "2.2.0-RC2"))
+    compileOnly(kotlin("gradle-plugin"))
     compileOnly(kotlin("native-utils"))
     compileOnly(libs.plugin.android)
     compileOnly(libs.plugin.android.api)

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/resources/AndroidResources.kt

@@ -20,6 +20,7 @@ import org.gradle.api.tasks.InputFiles
 import org.gradle.api.tasks.Optional
 import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
+import org.jetbrains.compose.internal.Version
 import org.jetbrains.compose.internal.utils.registerTask
 import org.jetbrains.compose.internal.utils.uppercaseFirstChar
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
@@ -90,30 +91,61 @@ private fun Project.getAndroidComponentComposeResources(
     }
 })
 
+private const val AGP_8_10 = "8.10"
+
 @Suppress("UnstableApiUsage")
 private fun Project.configureAndroidComposeResources(
     kotlinExtension: KotlinMultiplatformExtension,
     androidComponents: KotlinMultiplatformAndroidComponentsExtension,
     moduleResourceDir: Provider<File>?
 ) {
-    logger.info("Configure compose resources with KotlinMultiplatformAndroidComponentsExtension")
-    androidComponents.onVariant { variant ->
-        val variantAssets = getAndroidKmpComponentComposeResources(kotlinExtension, variant.name)
-        configureGeneratedAndroidComponentAssets(
-            variant.name,
-            variant.sources,
-            variantAssets,
-            moduleResourceDir
-        )
 
-        variant.androidTest?.let { androidTest ->
-            val androidTestAssets = getAndroidKmpComponentComposeResources(kotlinExtension, androidTest.name)
+    // AGP 8.10 introduced new onVariantS {} API
+    // AGP 9.0.0-alpha01 removed onVariant {} API
+    // https://github.com/JetBrains/compose-multiplatform/pull/5385
+
+    val agpVersion = Version.fromString(androidComponents.pluginVersion.version)
+    if (agpVersion >= Version.fromString(AGP_8_10)) {
+        logger.info("Configure compose resources with KotlinMultiplatformAndroidComponentsExtension")
+        androidComponents.onVariants { variant ->
+            val variantAssets = getAndroidKmpComponentComposeResources(kotlinExtension, variant.name)
+            configureGeneratedAndroidComponentAssets(
+                variant.name,
+                variant.sources,
+                variantAssets,
+                moduleResourceDir
+            )
+
+            variant.androidTest?.let { androidTest ->
+                val androidTestAssets = getAndroidKmpComponentComposeResources(kotlinExtension, androidTest.name)
+                configureGeneratedAndroidComponentAssets(
+                    androidTest.name,
+                    androidTest.sources,
+                    androidTestAssets,
+                    moduleResourceDir
+                )
+            }
+        }
+    } else {
+        logger.info("Configure compose resources with outdated KotlinMultiplatformAndroidComponentsExtension < 8.10")
+        androidComponents.onVariant { variant ->
+            val variantAssets = getAndroidKmpComponentComposeResources(kotlinExtension, variant.name)
             configureGeneratedAndroidComponentAssets(
-                androidTest.name,
-                androidTest.sources,
-                androidTestAssets,
+                variant.name,
+                variant.sources,
+                variantAssets,
                 moduleResourceDir
             )
+
+            variant.androidTest?.let { androidTest ->
+                val androidTestAssets = getAndroidKmpComponentComposeResources(kotlinExtension, androidTest.name)
+                configureGeneratedAndroidComponentAssets(
+                    androidTest.name,
+                    androidTest.sources,
+                    androidTestAssets,
+                    moduleResourceDir
+                )
+            }
         }
     }
 }

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/tests/integration/ResourcesTest.kt

@@ -334,11 +334,17 @@ class ResourcesTest : GradlePluginTestBase() {
     @Test
     fun testNewAgpResources() {
         Assumptions.assumeTrue(defaultTestEnvironment.parsedGradleVersion >= GradleVersion.version("8.10.2"))
-        Assumptions.assumeTrue(Version.fromString(defaultTestEnvironment.agpVersion) >= Version.fromString("8.8.0-alpha08"))
+
+        val agpVersion = Version.fromString(defaultTestEnvironment.agpVersion)
+        Assumptions.assumeTrue(agpVersion >= Version.fromString("8.8.0-alpha08"))
 
         with(testProject("misc/newAgpResources", defaultTestEnvironment)) {
             gradle(":appModule:assembleDebug").checks {
-                check.logContains("Configure compose resources with KotlinMultiplatformAndroidComponentsExtension")
+                if (agpVersion >= Version.fromString("8.10")) {
+                    check.logContains("Configure compose resources with KotlinMultiplatformAndroidComponentsExtension")
+                } else {
+                    check.logContains("Configure compose resources with outdated KotlinMultiplatformAndroidComponentsExtension < 8.10")
+                }
 
                 val resourcesFiles = sequenceOf(
                     "composeResources/newagpresources.appmodule.generated.resources/values/strings.commonMain.cvr",
@@ -684,7 +690,7 @@ class ResourcesTest : GradlePluginTestBase() {
         with(
             testProject(
                 "misc/appleResources",
-                defaultTestEnvironment.copy(kotlinVersion = "2.1.0"))
+                defaultTestEnvironment.copy(kotlinVersion = "2.1.21"))
         ) {
             file("build.gradle.kts").modify { content ->
                 """

gradle-plugins/gradle.properties

@@ -10,16 +10,16 @@ dev.junit.parallel=false
 # Default version of Compose Libraries used by Gradle plugin
 compose.version=1.9.0-alpha02
 # The latest version of Kotlin compatible with compose.tests.compiler.version. Used only in tests/CI.
-compose.tests.kotlin.version=2.2.0-Beta1
+compose.tests.kotlin.version=2.2.0
 # __SUPPORTED_GRADLE_VERSIONS__
 # Don't forget to edit versions in .github/workflows/gradle-plugin.yml as well
 # and Publish.Subtasks.buildTypes.gradle.GradlePluginTestKt#gradleVersions in the TC config
 # minimal and current gradle version
-compose.tests.gradle.versions=8.7, 8.13
-compose.tests.agp.versions=8.6.0, 8.9.0
+compose.tests.gradle.versions=8.7, 9.0.0
+compose.tests.agp.versions=8.6.0, 8.9.0, 9.0.0-alpha01
 # gradle and agp versions should be compatible:
 # https://developer.android.com/build/releases/gradle-plugin#updating-plugin
-compose.tests.gradle-agp.exclude=8.7/8.9.0
+compose.tests.gradle-agp.exclude=8.7/8.9.0, 8.7/9.0.0-alpha01
 
 # A version of Gradle plugin, that will be published,
 # unless overridden by COMPOSE_GRADLE_PLUGIN_VERSION env var.

gradle-plugins/gradle/libs.versions.toml

@@ -1,8 +1,8 @@
 [versions]
-kotlin = "2.2.0-RC2"
+kotlin = "2.2.0"
 gradle-download-plugin = "5.5.0"
 kotlin-poet = "2.1.0"
-plugin-android = "8.9.1"
+plugin-android = "8.10.1"
 shadow-jar = "8.1.1"
 publish-plugin = "1.2.1"