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diff --git a/android/app/src/main/java/com/reactnativeapp/MainActivity.java b/android/app/src/main/java/com/reactnativeapp/MainActivity.java
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+++ b/android/app/src/main/java/com/reactnativeapp/MainActivity.java
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+package com.reactnativeapp;
+
+import com.facebook.react.ReactActivity;
+import com.facebook.react.ReactActivityDelegate;
+import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint;
+import com.facebook.react.defaults.DefaultReactActivityDelegate;
+
+public class MainActivity extends ReactActivity {
+
+  /**
+   * Returns the name of the main component registered from JavaScript. This is used to schedule
+   * rendering of the component.
+   */
+  @Override
+  protected String getMainComponentName() {
+    return "reactnativeapp";
+  }
+
+  /**
+   * Returns the instance of the {@link ReactActivityDelegate}. Here we use a util class {@link
+   * DefaultReactActivityDelegate} which allows you to easily enable Fabric and Concurrent React
+   * (aka React 18) with two boolean flags.
+   */
+  @Override
+  protected ReactActivityDelegate createReactActivityDelegate() {
+    return new DefaultReactActivityDelegate(
+        this,
+        getMainComponentName(),
+        // If you opted-in for the New Architecture, we enable the Fabric Renderer.
+        DefaultNewArchitectureEntryPoint.getFabricEnabled(), // fabricEnabled
+        // If you opted-in for the New Architecture, we enable Concurrent React (i.e. React 18).
+        DefaultNewArchitectureEntryPoint.getConcurrentReactEnabled() // concurrentRootEnabled
+        );
+  }
+}