build.gradle

import org.apache.tools.ant.taskdefs.condition.Os

buildscript {
  ext {
    agp_version = '8.4.2'
  }

  // Buildscript is evaluated before everything else so we can't use getExtOrDefault
  def kotlin_version = rootProject.ext.has("kotlinVersion") ? rootProject.ext.get("kotlinVersion") : project.properties["RnExecutorch_kotlinVersion"]

  repositories {
    google()
    mavenCentral()
    maven { url 'https://jitpack.io' }
  }

  dependencies {
    classpath "com.android.tools.build:gradle:$agp_version"
    // noinspection DifferentKotlinGradleVersion
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
  }
}

def reactNativeArchitectures() {
  def value = rootProject.getProperties().get("reactNativeArchitectures")
  // react-native-executorch supports only these architectures. This is due to
  // Executorch not supporting anything else.
  def defaultArchitectures = ["x86_64", "arm64-v8a"]
  if(!value) {
    return defaultArchitectures
  }
  def architectures = value.split(",")
  return architectures.findAll { it in defaultArchitectures }
}

apply plugin: "com.android.library"
apply plugin: "kotlin-android"
apply plugin: "com.facebook.react"


def getExtOrDefault(name) {
  return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties["RnExecutorch_" + name]
}

def getExtOrIntegerDefault(name) {
  return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties["RnExecutorch_" + name]).toInteger()
}

def supportsNamespace() {
  def parsed = com.android.Version.ANDROID_GRADLE_PLUGIN_VERSION.tokenize('.')
  def major = parsed[0].toInteger()
  def minor = parsed[1].toInteger()

  // Namespace support was added in 7.3.0
  return (major == 7 && minor >= 3) || major >= 8
}

def safeAppExtGet(prop, fallback) {
  def appProject = rootProject.allprojects.find { it.plugins.hasPlugin('com.android.application') }
  appProject?.ext?.has(prop) ? appProject.ext.get(prop) : fallback
}

def toPlatformFileString(String path) {
  if (Os.isFamily(Os.FAMILY_WINDOWS)) {
      path = path.replace(File.separatorChar, '/' as char)
  }
  return path
}

def resolveReactNativeDirectory() {
  def reactNativeLocation = safeAppExtGet("REACT_NATIVE_NODE_MODULES_DIR", null)

  if (reactNativeLocation !== null) {
    return file(reactNativeLocation)
  }

  // Fallback to node resolver for custom directory structures like monorepos.
  def reactNativePackage = file(["node", "--print", "require.resolve('react-native/package.json')"].execute(null, rootDir).text.trim())
  if(reactNativePackage.exists()) {
      return reactNativePackage.parentFile
  }

  throw new GradleException(
      "[RnExecutorch] Unable to resolve react-native location in node_modules. You should project extension property (in `app/build.gradle`) `REACT_NATIVE_NODE_MODULES_DIR` with path to react-native."
  )
}

def reactNativeRootDir = resolveReactNativeDirectory()

android {
  if (supportsNamespace()) {
    namespace "com.swmansion.rnexecutorch"

    sourceSets {
      main {
        manifest.srcFile "src/main/AndroidManifestNew.xml"
      }
    }
  }

  buildFeatures {
    prefab true
    prefabPublishing true
    buildConfig true
  }

  prefab {
    "react-native-executorch" {
      headers "src/main/cpp"
    }
  }

  compileSdkVersion getExtOrIntegerDefault("compileSdkVersion")

  defaultConfig {
    minSdkVersion getExtOrIntegerDefault("minSdkVersion")
    targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
    externalNativeBuild {
        cmake {
          cppFlags "-O2 -frtti -fexceptions -Wall -fstack-protector-all -fopenmp -static-openmp"
          abiFilters (*reactNativeArchitectures())
          arguments "-DANDROID_STL=c++_shared",
                    "-DREACT_NATIVE_DIR=${toPlatformFileString(reactNativeRootDir.path)}",
                    "-DBUILD_DIR=${project.buildDir}",
                    "-DANDROID_TOOLCHAIN=clang"
      }
    }
  }


  externalNativeBuild {
    cmake {
      path "CMakeLists.txt"
    }
  }

  buildTypes {
    release {
      minifyEnabled false
    }
  }

  lintOptions {
    disable "GradleCompatible"
  }

  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }

}

repositories {
  mavenCentral()
  google()
  maven { url 'https://jitpack.io' }
}

def kotlin_version = rootProject.ext.has("kotlinVersion") ? rootProject.ext.get("kotlinVersion") : project.properties["RnExecutorch_kotlinVersion"]

dependencies {
  // For < 0.71, this will be from the local maven repo
  // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
  //noinspection GradleDynamicVersion
  implementation "com.facebook.react:react-android:+"
  implementation "com.facebook.react:react-native:+"
  implementation 'com.facebook.fbjni:fbjni:0.6.0'
  implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
  implementation files('libs/classes.jar')
  implementation 'org.opencv:opencv:4.10.0'
  implementation("com.squareup.okhttp3:okhttp:4.9.2")
}