Optimizing compose compiler config

androidApp/build.gradle.kts

@@ -1,9 +1,9 @@
 import java.util.Properties
 
 plugins {
-  alias(libs.plugins.android.application)
-  kotlin("android")
+  alias(libs.plugins.android.application.compose)
   alias(libs.plugins.compose.compiler)
+  kotlin("android")
 }
 
 android {
@@ -65,11 +65,6 @@ android {
   }
 }
 
-composeCompiler {
-  enableStrongSkippingMode = true
-  reportsDestination = layout.buildDirectory.dir("compose_compiler")
-}
-
 dependencies {
   implementation(projects.shared)
   // implementation(projects.sharedCompose)

build-logic/convention/build.gradle.kts

@@ -29,20 +29,30 @@ dependencies {
   compileOnly(libs.gradlePlugin.kotlin) {
     exclude(group = "org.ow2.asm")
   }
-  implementation(libs.bundles.asm)
+  compileOnly(libs.bundles.asm)
   implementation(libs.gradlePlugin.spotless)
+  implementation(libs.gradlePlugin.compose.compiler)
 }
 
 gradlePlugin {
   plugins {
     val prefix = "com.jithub.gradle"
-    register("build-logic") {
+    register("buildLogic") {
       id = "$prefix.build-logic"
       implementationClass = "BuildLogic"
     }
-    register("build-support") {
+    register("buildSupport") {
       id = "$prefix.build-support"
       implementationClass = "BuildSupportPlugin"
     }
+
+    register("androidApplicationCompose") {
+      id = "com.android.application.compose"
+      implementationClass = "AndroidApplicationComposeConventionPlugin"
+    }
+    register("androidLibraryCompose") {
+      id = "com.android.library.compose"
+      implementationClass = "AndroidLibraryComposeConventionPlugin"
+    }
   }
 }

build-logic/convention/src/main/kotlin/AndroidApplicationComposeConventionPlugin.kt

@@ -0,0 +1,36 @@
+import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.getByType
+
+/**
+ * Android application compose convention plugin
+ *
+ * If compose is required, then:
+ * ```
+ * plugins {
+ *   id("com.android.application.compose")
+ * }
+ * ```
+ *
+ * If not required:
+ * ```
+ * plugins {
+ *   id("com.android.application")
+ * }
+ * ```
+ *
+ * @constructor Create empty Android application compose convention plugin
+ */
+class AndroidApplicationComposeConventionPlugin : BasePlugin() {
+  override fun apply(target: Project) {
+    log("apply target: ${target.displayName}")
+    with(target) {
+      if (!plugins.hasPlugin("com.android.application")) {
+        pluginManager.apply("com.android.application")
+      }
+      extensions.getByType<BaseAppModuleExtension>().apply {
+        configureAndroidCompose(this)
+      }
+    }
+  }
+}

build-logic/convention/src/main/kotlin/AndroidLibraryComposeConventionPlugin.kt

@@ -0,0 +1,36 @@
+import com.android.build.gradle.LibraryExtension
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.getByType
+
+/**
+ * Android library compose convention plugin
+ *
+ * If compose is required, then:
+ * ```
+ * plugins {
+ *   id("com.android.library.compose")
+ * }
+ * ```
+ *
+ * If not required:
+ * ```
+ * plugins {
+ *   id("com.android.library")
+ * }
+ * ```
+ *
+ * @constructor Create empty Android library compose convention plugin
+ */
+class AndroidLibraryComposeConventionPlugin : BasePlugin() {
+  override fun apply(target: Project) {
+    log("apply target: ${target.displayName}")
+    with(target) {
+      if (!plugins.hasPlugin("com.android.library")) {
+        pluginManager.apply("com.android.library")
+      }
+      extensions.getByType<LibraryExtension>().apply {
+        configureAndroidCompose(this)
+      }
+    }
+  }
+}

build-logic/convention/src/main/kotlin/BuildSupportPlugin.kt

@@ -302,13 +302,4 @@ class BuildSupportPlugin : BasePlugin() {
       }
     }
   }
-
-  private fun lintConfigure(): Lint.() -> Unit = {
-    abortOnError = true
-    warningsAsErrors = false
-    ignoreTestSources = true
-    checkDependencies = true
-    checkReleaseBuilds = false // Full lint runs as part of 'build' task.
-    htmlReport = true
-  }
 }

build-logic/convention/src/main/kotlin/ProjectExt.kt

@@ -0,0 +1,46 @@
+import com.android.build.api.dsl.CommonExtension
+import com.android.build.api.dsl.Lint
+import org.gradle.api.Project
+import org.gradle.api.plugins.PluginContainer
+import org.gradle.kotlin.dsl.configure
+import org.jetbrains.kotlin.compose.compiler.gradle.ComposeCompilerGradlePluginExtension
+
+internal fun Project.lintConfigure(): Lint.() -> Unit = {
+  abortOnError = true
+  warningsAsErrors = false
+  ignoreTestSources = true
+  checkDependencies = true
+  checkReleaseBuilds = false // Full lint runs as part of 'build' task.
+  htmlReport = true
+  // baseline = rootProject.file("lint-config/lint-baseline.xml")
+  // lintConfig = rootProject.file("lint-config/lint-default.xml")
+}
+
+internal fun PluginContainer.hasKotlinComposePlugin() = hasPlugin("org.jetbrains.kotlin.plugin.compose")
+
+/**
+ * Configure Compose-specific options
+ *
+ * @param commonExtension
+ * @param hasRedwood Is Redwood used?
+ */
+fun Project.configureAndroidCompose(
+  commonExtension: CommonExtension<*, *, *, *, *>,
+  hasRedwood: Boolean = true
+) {
+  if (!plugins.hasKotlinComposePlugin()) {
+    pluginManager.apply("org.jetbrains.kotlin.plugin.compose")
+  }
+
+  commonExtension.apply {
+    if (!hasRedwood) {
+      // If you are using Redwood, you do not need to set this parameter.
+      buildFeatures.compose = true
+    }
+  }
+
+  extensions.configure<ComposeCompilerGradlePluginExtension> {
+    enableStrongSkippingMode.set(true)
+    reportsDestination.set(layout.buildDirectory.dir("compose_compiler"))
+  }
+}

gradle/libs.versions.toml

@@ -19,6 +19,7 @@ junit = "4.13.2"
 gradlePlugin-android = { module = "com.android.tools.build:gradle", version.ref = "agp" }
 gradlePlugin-kotlin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
 gradlePlugin-spotless = "com.diffplug.spotless:spotless-plugin-gradle:6.25.0"
+gradlePlugin-compose-compiler = { module = "org.jetbrains.kotlin:compose-compiler-gradle-plugin", version.ref = "kotlin" }
 
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "androidx-core-ktx" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "androidx-appcompat" }
@@ -63,13 +64,18 @@ androidx-test-junit = { group = "androidx.test.ext", name = "junit", version.ref
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 
 [plugins]
+compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+
+android-application-compose = { id = "com.android.application.compose" }
+android-library-compose = { id = "com.android.library.compose" }
+
 android-application = { id = "com.android.application", version.ref = "agp" }
 android-library = { id = "com.android.library", version.ref = "agp" }
+
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 kotlin-cocoapods = { id = "org.jetbrains.kotlin.native.cocoapods", version.ref = "kotlin" }
-jetbrains-compose = { id = "org.jetbrains.compose", version.ref = "jbr-compose" }
 
-compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+jetbrains-compose = { id = "org.jetbrains.compose", version.ref = "jbr-compose" }
 
 [bundles]
 asm = []

shared/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
   alias(libs.plugins.kotlin.multiplatform)
   alias(libs.plugins.kotlin.cocoapods)
   alias(libs.plugins.compose.compiler)
-  alias(libs.plugins.android.library)
+  alias(libs.plugins.android.library.compose)
   id("dev.icerock.mobile.multiplatform-resources")
 }