feat: add android implementation

android/CMakeLists.txt

@@ -0,0 +1,29 @@
+cmake_minimum_required(VERSION 3.4.1)
+
+set (CMAKE_VERBOSE_MAKEFILE ON)
+set (CMAKE_CXX_STANDARD 11)
+
+# set the base libsodium build directory
+set(LIBSODIUM_BUILD_DIR ${CMAKE_CURRENT_LIST_DIR}/../libsodium/build)
+
+# set the libsodium build directory depending on the target abi
+if (${ANDROID_ABI} STREQUAL arm64-v8a)
+  set(LIBSODIUM_BUILD_DIR ${LIBSODIUM_BUILD_DIR}/libsodium-android-armv8-a+crypto)
+elseif(${ANDROID_ABI} STREQUAL armeabi-v7a)
+  set(LIBSODIUM_BUILD_DIR ${LIBSODIUM_BUILD_DIR}/libsodium-android-armv7-a)
+elseif(${ANDROID_ABI} STREQUAL x86)
+  set(LIBSODIUM_BUILD_DIR ${LIBSODIUM_BUILD_DIR}/libsodium-android-i686)
+else()
+  set(LIBSODIUM_BUILD_DIR ${LIBSODIUM_BUILD_DIR}/libsodium-android-westmere)
+endif()
+
+add_library(sodium SHARED IMPORTED)
+include_directories(${LIBSODIUM_BUILD_DIR}/include/)
+set_target_properties(sodium PROPERTIES IMPORTED_LOCATION ${LIBSODIUM_BUILD_DIR}/lib/libsodium.so)
+
+# define library target "sodium-jni"
+# which will be built from the listed source files
+add_library(sodium-jni SHARED src/main/cpp/sodium-jni.c)
+
+# link the sodium lib with our library target
+target_link_libraries(sodium-jni sodium)

android/build.gradle

@@ -53,6 +53,12 @@ android {
     minSdkVersion getExtOrIntegerDefault("minSdkVersion")
     targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
 
+    buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()
+
+  }
+
+  buildFeatures {
+    buildConfig true
   }
 
   buildTypes {
@@ -61,6 +67,12 @@ android {
     }
   }
 
+  externalNativeBuild {
+    cmake {
+      path "CMakeLists.txt"
+    }
+  }
+
   lintOptions {
     disable "GradleCompatible"
   }
@@ -69,18 +81,38 @@ android {
     sourceCompatibility JavaVersion.VERSION_1_8
     targetCompatibility JavaVersion.VERSION_1_8
   }
+
+  sourceSets {
+    main {
+      if (isNewArchitectureEnabled()) {
+        java.srcDirs += [
+          "src/newarch",
+          // This is needed to build Kotlin project with NewArch enabled
+          "${project.buildDir}/generated/source/codegen/java"
+        ]
+      } else {
+        java.srcDirs += ["src/oldarch"]
+      }
+    }
+  }
 }
 
 repositories {
   mavenCentral()
   google()
 }
 
-
 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-native:+"
 }
 
+if (isNewArchitectureEnabled()) {
+  react {
+    jsRootDir = file("../src/")
+    libraryName = "SodiumReactNative"
+    codegenJavaPackageName = "com.sodiumreactnative"
+  }
+}