feat: use agp9 for core

Author: hurali97

gradle.properties

@@ -4,12 +4,6 @@ org.gradle.caching=true
 
 android.useAndroidX=true
 
-# Those 2 properties are needed to make our project compatible with
-# AGP 9.0.0 for the time being. Ideally we should not opt-out of
-# builtInKotlin and newDsl once AGP 9.0.0 hits stable.
-# More on this: https://developer.android.com/build/releases/agp-preview#android-gradle-plugin-built-in-kotlin
-android.builtInKotlin=false
-android.newDsl=false
 
 # Use this property to specify which architecture you want to build.
 # You can also override it from the CLI using

packages/react-native-popup-menu-android/android/build.gradle.kts

@@ -8,7 +8,6 @@
 plugins {
   id("com.facebook.react")
   id("com.android.library")
-  id("org.jetbrains.kotlin.android")
 }
 
 android {

packages/react-native/ReactAndroid/build.gradle.kts

@@ -18,7 +18,6 @@ plugins {
   id("com.facebook.react")
   alias(libs.plugins.android.library)
   alias(libs.plugins.download)
-  alias(libs.plugins.kotlin.android)
   alias(libs.plugins.ktfmt)
 }
 
@@ -611,19 +610,17 @@ android {
       ":packages:react-native:ReactAndroid:hermes-engine:preBuild"
   )
 
-  sourceSets.getByName("main") {
-    res.setSrcDirs(
-        listOf(
-            "src/main/res/devsupport",
-            "src/main/res/shell",
-            "src/main/res/views/alert",
-            "src/main/res/views/modal",
-            "src/main/res/views/uimanager",
-            "src/main/res/views/view",
-        )
-    )
-    java.exclude("com/facebook/react/processing")
-    java.exclude("com/facebook/react/module/processing")
+  sourceSets {
+    named("main") {
+      res.srcDirs(
+          "src/main/res/devsupport",
+          "src/main/res/shell",
+          "src/main/res/views/alert",
+          "src/main/res/views/modal",
+          "src/main/res/views/uimanager",
+          "src/main/res/views/view",
+      )
+    }
   }
 
   lint {
@@ -676,6 +673,11 @@ android {
   }
 }
 
+tasks.withType<JavaCompile>().configureEach {
+  exclude("com/facebook/react/processing/**")
+  exclude("com/facebook/react/module/processing/**")
+}
+
 tasks.withType<KotlinCompile>().configureEach {
   exclude("com/facebook/annotationprocessors/**")
   exclude("com/facebook/react/processing/**")
@@ -690,6 +692,7 @@ dependencies {
   api(libs.androidx.appcompat)
   api(libs.androidx.appcompat.resources)
   api(libs.androidx.autofill)
+  api(libs.androidx.collection)
   api(libs.androidx.swiperefreshlayout)
   api(libs.androidx.tracing)
   api(libs.androidx.window)

packages/react-native/ReactAndroid/hermes-engine/build.gradle.kts

@@ -408,9 +408,11 @@ android {
     }
   }
 
-  sourceSets.getByName("main") {
-    manifest.srcFile("$hermesDir/android/hermes/src/main/AndroidManifest.xml")
-    java.srcDirs("$hermesDir/lib/Platform/Intl/java", "$hermesDir/lib/Platform/Unicode/java")
+  sourceSets {
+    named("main") {
+      manifest.srcFile("$hermesDir/android/hermes/src/main/AndroidManifest.xml")
+      java.srcDirs("$hermesDir/lib/Platform/Intl/java", "$hermesDir/lib/Platform/Unicode/java")
+    }
   }
 
   buildFeatures {

packages/react-native/gradle/libs.versions.toml

@@ -6,10 +6,11 @@ compileSdk = "36"
 buildTools = "36.0.0"
 ndkVersion = "27.1.12297006"
 # Dependencies versions
-agp = "8.12.0"
+agp = "9.2.1"
 androidx-annotation = "1.6.0"
 androidx-appcompat = "1.7.0"
 androidx-autofill = "1.3.0"
+androidx-collection = "1.4.0"
 androidx-benchmark-macro-junit4 = "1.3.3"
 androidx-profileinstaller = "1.4.1"
 androidx-swiperefreshlayout = "1.1.0"
@@ -56,6 +57,7 @@ androidx-annotation = { module = "androidx.annotation:annotation", version.ref =
 androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "androidx-appcompat" }
 androidx-appcompat-resources = { module = "androidx.appcompat:appcompat-resources", version.ref = "androidx-appcompat" }
 androidx-autofill = { module = "androidx.autofill:autofill", version.ref = "androidx-autofill" }
+androidx-collection = { module = "androidx.collection:collection", version.ref = "androidx-collection" }
 androidx-benchmark-macro-junit4 = { group = "androidx.benchmark", name = "benchmark-macro-junit4", version.ref = "androidx-benchmark-macro-junit4" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espresso-core" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidx-test-junit" }

packages/rn-tester/android/app/benchmark/build.gradle.kts

@@ -7,7 +7,6 @@
 
 plugins {
   alias(libs.plugins.android.test)
-  alias(libs.plugins.kotlin.android)
 }
 
 android {

packages/rn-tester/android/app/build.gradle.kts

@@ -10,7 +10,6 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
   id("com.facebook.react")
   alias(libs.plugins.android.application)
-  alias(libs.plugins.kotlin.android)
 }
 
 val reactNativeDirPath = "$rootDir/packages/react-native"
@@ -135,7 +134,7 @@ android {
   }
   sourceSets.named("main") {
     // SampleTurboModule.
-    java.srcDirs(
+    kotlin.srcDirs(
         "$reactNativeDirPath/ReactCommon/react/nativemodule/samples/platform/android",
     )
     res.setSrcDirs(