Compatibility with the old arch

Author: j-piasecki

android/build.gradle

@@ -29,6 +29,43 @@ def getVersionOrDefault(String flagName, String defaultVersion) {
     rootProject.hasProperty(flagName) ? rootProject.properties[flagName] : defaultVersion
 }
 
+def resolveReactNativeDirectory() {
+    def reactNativeLocation = safeExtGet("REACT_NATIVE_NODE_MODULES_DIR", null)
+    if (reactNativeLocation != null) {
+        return file(reactNativeLocation)
+    }
+
+    // monorepo workaround
+    // react-native can be hoisted or in project's own node_modules
+    def reactNativeFromProjectNodeModules = file("${rootProject.projectDir}/../node_modules/react-native")
+    if (reactNativeFromProjectNodeModules.exists()) {
+        return reactNativeFromProjectNodeModules
+    }
+
+    def reactNativeFromNodeModulesWithReanimated = file("${projectDir}/../../react-native")
+    if (reactNativeFromNodeModulesWithReanimated.exists()) {
+        return reactNativeFromNodeModulesWithReanimated
+    }
+
+    throw new Exception(
+            "[react-native-async-storage] Unable to resolve react-native location in " +
+                    "node_modules. You should add project extension property (in app/build.gradle) " +
+                    "`REACT_NATIVE_NODE_MODULES_DIR` with path to react-native."
+    )
+}
+
+def getReactNativeMinorVersion() {
+    def REACT_NATIVE_DIR = resolveReactNativeDirectory()
+
+    def reactProperties = new Properties()
+    file("$REACT_NATIVE_DIR/ReactAndroid/gradle.properties").withInputStream { reactProperties.load(it) }
+
+    def REACT_NATIVE_VERSION = reactProperties.getProperty("VERSION_NAME")
+    def REACT_NATIVE_MINOR_VERSION = REACT_NATIVE_VERSION.startsWith("0.0.0-") ? 1000 : REACT_NATIVE_VERSION.split("\\.")[1].toInteger()
+
+    return REACT_NATIVE_MINOR_VERSION
+}
+
 def isNewArchitectureEnabled() {
     // To opt-in for the New Architecture, you can either:
     // - Set `newArchEnabled` to true inside the `gradle.properties` file
@@ -128,6 +165,10 @@ android {
             } else {
                 srcDirs += 'src/javaPackage/java'
             }
+
+            if (!isNewArchitectureEnabled()) {
+                srcDirs += 'src/paper/java'
+            }
         }
     }
 }
@@ -174,5 +215,9 @@ dependencies {
     }
 
     //noinspection GradleDynamicVersion
-    implementation 'com.facebook.react:react-native:+'  // From node_modules
+    if (isNewArchitectureEnabled() && getReactNativeMinorVersion() < 71) {
+        implementation project(":ReactAndroid")
+    } else {
+        implementation 'com.facebook.react:react-native:+' // from node_modules
+    }
 }

android/src/paper/java/com/reactnativecommunity/asyncstorage/NativeAsyncStorageModuleSpec.java

@@ -0,0 +1,52 @@
+
+/**
+ * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
+ *
+ * Do not edit this file as changes may cause incorrect behavior and will be lost
+ * once the code is regenerated.
+ *
+ * @generated by codegen project: GenerateModuleJavaSpec.js
+ *
+ * @nolint
+ */
+
+package com.reactnativecommunity.asyncstorage;
+
+import com.facebook.proguard.annotations.DoNotStrip;
+import com.facebook.react.bridge.Callback;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.bridge.ReactModuleWithSpec;
+import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.turbomodule.core.interfaces.TurboModule;
+
+public abstract class NativeAsyncStorageModuleSpec extends ReactContextBaseJavaModule implements ReactModuleWithSpec, TurboModule {
+  public NativeAsyncStorageModuleSpec(ReactApplicationContext reactContext) {
+    super(reactContext);
+  }
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void multiGet(ReadableArray keys, Callback callback);
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void multiSet(ReadableArray kvPairs, Callback callback);
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void multiRemove(ReadableArray keys, Callback callback);
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void multiMerge(ReadableArray kvPairs, Callback callback);
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void getAllKeys(Callback callback);
+
+  @ReactMethod
+  @DoNotStrip
+  public abstract void clear(Callback callback);
+}