Fix example project

README.md

@@ -255,7 +255,7 @@ public class MainActivity extends ReactActivity {
 }
 ```
 
- You can further optimize performance and pre-render pages [by providing the urls that the user is likely to open](https://developer.chrome.com/docs/android/custom-tabs/best-practices/#pre-render-content).
+You can further optimize performance and pre-render pages [by providing the urls that the user is likely to open](https://developer.chrome.com/docs/android/custom-tabs/best-practices/#pre-render-content).
 
 ```javascript
 // Do not call this every time the component render

example/.eslintrc.js

@@ -1,4 +1,16 @@
 module.exports = {
   root: true,
   extends: '@react-native-community',
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  overrides: [
+    {
+      files: ['*.ts', '*.tsx'],
+      rules: {
+        '@typescript-eslint/no-shadow': ['error'],
+        'no-shadow': 'off',
+        'no-undef': 'off',
+      },
+    },
+  ],
 };

example/.gitignore

@@ -20,6 +20,7 @@ DerivedData
 *.hmap
 *.ipa
 *.xcuserstate
+ios/.xcode.env.local
 
 # Android/IntelliJ
 #
@@ -28,6 +29,7 @@ build/
 .gradle
 local.properties
 *.iml
+*.hprof
 
 # node.js
 #
@@ -48,12 +50,14 @@ buck-out/
 # For more information about the recommended setup visit:
 # https://docs.fastlane.tools/best-practices/source-control/
 
-*/fastlane/report.xml
-*/fastlane/Preview.html
-*/fastlane/screenshots
+**/fastlane/report.xml
+**/fastlane/Preview.html
+**/fastlane/screenshots
+**/fastlane/test_output
 
 # Bundle artifact
 *.jsbundle
 
-# CocoaPods
+# Ruby / CocoaPods
 /ios/Pods/
+/vendor/bundle/

example/.prettierrc.js

@@ -1,7 +1,7 @@
 module.exports = {
+  arrowParens: 'avoid',
+  bracketSameLine: true,
   bracketSpacing: false,
-  jsxBracketSameLine: true,
   singleQuote: true,
   trailingComma: 'all',
-  arrowParens: 'avoid',
 };

example/Gemfile

@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+
+# You may use http://rbenv.org/ or https://rvm.io/ to install and use this version
+ruby '2.7.5'
+
+gem 'cocoapods', '~> 1.11', '>= 1.11.2'

example/__tests__/App-test.js → example/__tests__/App-test.tsx

@@ -4,7 +4,7 @@
 
 import 'react-native';
 import React from 'react';
-import App from '../App';
+import App from '../src/App';
 
 // Note: test renderer must be required after react-native.
 import renderer from 'react-test-renderer';

example/_bundle/config

@@ -0,0 +1,2 @@
+BUNDLE_PATH: "vendor/bundle"
+BUNDLE_FORCE_RUBY_PLATFORM: 1

example/_ruby-version

@@ -0,0 +1 @@
+2.7.5

example/android/app/build.gradle

@@ -114,40 +114,107 @@ def jscFlavor = 'org.webkit:android-jsc:+'
 /**
  * Whether to enable the Hermes VM.
  *
- * This should be set on project.ext.react and mirrored here.  If it is not set
+ * This should be set on project.ext.react and that value will be read here. If it is not set
  * on project.ext.react, JavaScript will not be compiled to Hermes Bytecode
  * and the benefits of using Hermes will therefore be sharply reduced.
  */
 def enableHermes = project.ext.react.get("enableHermes", false);
 
 /**
- * Architectures to build native code for in debug.
+ * Architectures to build native code for.
  */
-def nativeArchitectures = project.getProperties().get("reactNativeDebugArchitectures")
+def reactNativeArchitectures() {
+    def value = project.getProperties().get("reactNativeArchitectures")
+    return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
 
 android {
     ndkVersion rootProject.ext.ndkVersion
 
     compileSdkVersion rootProject.ext.compileSdkVersion
 
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
     defaultConfig {
         applicationId "com.example"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
+        buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()
+
+        if (isNewArchitectureEnabled()) {
+            // We configure the NDK build only if you decide to opt-in for the New Architecture.
+            externalNativeBuild {
+                ndkBuild {
+                    arguments "APP_PLATFORM=android-21",
+                        "APP_STL=c++_shared",
+                        "NDK_TOOLCHAIN_VERSION=clang",
+                        "GENERATED_SRC_DIR=$buildDir/generated/source",
+                        "PROJECT_BUILD_DIR=$buildDir",
+                        "REACT_ANDROID_DIR=$rootDir/../node_modules/react-native/ReactAndroid",
+                        "REACT_ANDROID_BUILD_DIR=$rootDir/../node_modules/react-native/ReactAndroid/build",
+                        "NODE_MODULES_DIR=$rootDir/../node_modules"
+                    cFlags "-Wall", "-Werror", "-fexceptions", "-frtti", "-DWITH_INSPECTOR=1"
+                    cppFlags "-std=c++17"
+                    // Make sure this target name is the same you specify inside the
+                    // src/main/jni/Android.mk file for the `LOCAL_MODULE` variable.
+                    targets "example_appmodules"
+                }
+            }
+            if (!enableSeparateBuildPerCPUArchitecture) {
+                ndk {
+                    abiFilters (*reactNativeArchitectures())
+                }
+            }
+        }
     }
+
+    if (isNewArchitectureEnabled()) {
+        // We configure the NDK build only if you decide to opt-in for the New Architecture.
+        externalNativeBuild {
+            ndkBuild {
+                path "$projectDir/src/main/jni/Android.mk"
+            }
+        }
+        def reactAndroidProjectDir = project(':ReactAndroid').projectDir
+        def packageReactNdkDebugLibs = tasks.register("packageReactNdkDebugLibs", Copy) {
+            dependsOn(":ReactAndroid:packageReactNdkDebugLibsForBuck")
+            from("$reactAndroidProjectDir/src/main/jni/prebuilt/lib")
+            into("$buildDir/react-ndk/exported")
+        }
+        def packageReactNdkReleaseLibs = tasks.register("packageReactNdkReleaseLibs", Copy) {
+            dependsOn(":ReactAndroid:packageReactNdkReleaseLibsForBuck")
+            from("$reactAndroidProjectDir/src/main/jni/prebuilt/lib")
+            into("$buildDir/react-ndk/exported")
+        }
+        afterEvaluate {
+            // If you wish to add a custom TurboModule or component locally,
+            // you should uncomment this line.
+            // preBuild.dependsOn("generateCodegenArtifactsFromSchema")
+            preDebugBuild.dependsOn(packageReactNdkDebugLibs)
+            preReleaseBuild.dependsOn(packageReactNdkReleaseLibs)
+
+            // Due to a bug inside AGP, we have to explicitly set a dependency
+            // between configureNdkBuild* tasks and the preBuild tasks.
+            // This can be removed once this is solved: https://issuetracker.google.com/issues/207403732
+            configureNdkBuildRelease.dependsOn(preReleaseBuild)
+            configureNdkBuildDebug.dependsOn(preDebugBuild)
+            reactNativeArchitectures().each { architecture ->
+                tasks.findByName("configureNdkBuildDebug[${architecture}]")?.configure {
+                    dependsOn("preDebugBuild")
+                }
+                tasks.findByName("configureNdkBuildRelease[${architecture}]")?.configure {
+                    dependsOn("preReleaseBuild")
+                }
+            }
+        }
+    }
+
     splits {
         abi {
             reset()
             enable enableSeparateBuildPerCPUArchitecture
             universalApk false  // If true, also generate a universal APK
-            include "armeabi-v7a", "x86", "arm64-v8a", "x86_64"
+            include (*reactNativeArchitectures())
         }
     }
     signingConfigs {
@@ -161,11 +228,6 @@ android {
     buildTypes {
         debug {
             signingConfig signingConfigs.debug
-            if (nativeArchitectures) {
-                ndk {
-                    abiFilters nativeArchitectures.split(',')
-                }
-            }
         }
         release {
             // Caution! In production, you need to generate your own keystore file.
@@ -195,13 +257,14 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
+
     //noinspection GradleDynamicVersion
     implementation "com.facebook.react:react-native:+"  // From node_modules
 
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.0.0"
 
     debugImplementation("com.facebook.flipper:flipper:${FLIPPER_VERSION}") {
-      exclude group:'com.facebook.fbjni'
+        exclude group:'com.facebook.fbjni'
     }
 
     debugImplementation("com.facebook.flipper:flipper-network-plugin:${FLIPPER_VERSION}") {
@@ -214,14 +277,31 @@ dependencies {
     }
 
     if (enableHermes) {
-        def hermesPath = "../../node_modules/hermes-engine/android/";
-        debugImplementation files(hermesPath + "hermes-debug.aar")
-        releaseImplementation files(hermesPath + "hermes-release.aar")
+        //noinspection GradleDynamicVersion
+        implementation("com.facebook.react:hermes-engine:+") { // From node_modules
+            exclude group:'com.facebook.fbjni'
+        }
     } else {
         implementation jscFlavor
     }
 }
 
+if (isNewArchitectureEnabled()) {
+    // If new architecture is enabled, we let you build RN from source
+    // Otherwise we fallback to a prebuilt .aar bundled in the NPM package.
+    // This will be applied to all the imported transtitive dependency.
+    configurations.all {
+        resolutionStrategy.dependencySubstitution {
+            substitute(module("com.facebook.react:react-native"))
+                    .using(project(":ReactAndroid"))
+                    .because("On New Architecture we're building React Native from source")
+            substitute(module("com.facebook.react:hermes-engine"))
+                    .using(project(":ReactAndroid:hermes-engine"))
+                    .because("On New Architecture we're building Hermes from source")
+        }
+    }
+}
+
 // Run this once to be able to run the application with BUCK
 // puts all compile dependencies into folder libs for BUCK to use
 task copyDownloadableDepsToLibs(type: Copy) {
@@ -230,3 +310,11 @@ task copyDownloadableDepsToLibs(type: Copy) {
 }
 
 apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)
+
+def isNewArchitectureEnabled() {
+    // To opt-in for the New Architecture, you can either:
+    // - Set `newArchEnabled` to true inside the `gradle.properties` file
+    // - Invoke gradle with `-newArchEnabled=true`
+    // - Set an environment variable `ORG_GRADLE_PROJECT_newArchEnabled=true`
+    return project.hasProperty("newArchEnabled") && project.newArchEnabled == "true"
+}

example/android/app/src/debug/AndroidManifest.xml

@@ -8,6 +8,6 @@
         android:usesCleartextTraffic="true"
         tools:targetApi="28"
         tools:ignore="GoogleAppIndexingWarning">
-        <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" />
+        <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" android:exported="false" />
     </application>
 </manifest>

example/android/app/src/debug/java/com/example/ReactNativeFlipper.java

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) Facebook, Inc. and its affiliates.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  *
  * <p>This source code is licensed under the MIT license found in the LICENSE file in the root
  * directory of this source tree.
@@ -19,6 +19,7 @@
 import com.facebook.flipper.plugins.network.NetworkFlipperPlugin;
 import com.facebook.flipper.plugins.react.ReactFlipperPlugin;
 import com.facebook.flipper.plugins.sharedpreferences.SharedPreferencesFlipperPlugin;
+import com.facebook.react.ReactInstanceEventListener;
 import com.facebook.react.ReactInstanceManager;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.modules.network.NetworkingModule;
@@ -51,7 +52,7 @@ public void apply(OkHttpClient.Builder builder) {
       ReactContext reactContext = reactInstanceManager.getCurrentReactContext();
       if (reactContext == null) {
         reactInstanceManager.addReactInstanceEventListener(
-            new ReactInstanceManager.ReactInstanceEventListener() {
+            new ReactInstanceEventListener() {
               @Override
               public void onReactContextInitialized(ReactContext reactContext) {
                 reactInstanceManager.removeReactInstanceEventListener(this);