RNGP - Fix build failures encounted with AGP 9.0.0-alpha05

gradle.properties

@@ -4,6 +4,13 @@ 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
 # ./gradlew <task> -PreactNativeArchitectures=x86_64

packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/AgpConfiguratorUtils.kt

@@ -100,6 +100,7 @@ internal object AgpConfiguratorUtils {
           project.extensions
               .getByType(ApplicationAndroidComponentsExtension::class.java)
               .finalizeDsl { ext ->
+                ext.buildFeatures.resValues = true
                 ext.defaultConfig.resValue(
                     "string",
                     "react_native_dev_server_ip",

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

@@ -532,11 +532,13 @@ android {
     targetCompatibility = JavaVersion.VERSION_17
   }
 
-  kotlinOptions {
-    // Using '-Xjvm-default=all' to generate default java methods for interfaces
-    freeCompilerArgs = listOf("-Xjvm-default=all")
-    // Using -PenableWarningsAsErrors=true prop to enable allWarningsAsErrors
-    kotlinOptions.allWarningsAsErrors = enableWarningsAsErrors()
+  kotlin {
+    compilerOptions {
+      // Using '-Xjvm-default=all' to generate default java methods for interfaces
+      freeCompilerArgs = listOf("-Xjvm-default=all")
+      // Using -PenableWarningsAsErrors=true prop to enable allWarningsAsErrors
+      allWarningsAsErrors = enableWarningsAsErrors()
+    }
   }
 
   defaultConfig {
@@ -637,6 +639,7 @@ android {
     prefab = true
     prefabPublishing = true
     buildConfig = true
+    resValues = true
   }
 
   prefab {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/CxxInspectorPackagerConnection.kt

@@ -22,6 +22,7 @@ import okhttp3.WebSocket
 import okhttp3.WebSocketListener
 
 /** Java wrapper around a C++ InspectorPackagerConnection. */
+@DoNotStripAny
 internal class CxxInspectorPackagerConnection(
     url: String,
     deviceName: String,