Coding⏱️ 2 min read📅 2026-06-03

How to Fix: React Native : Error: Duplicate resources - Android

React Native Duplicate Resource Error when creating release APK with PNG image

Quick Answer: When creating a release APK in React Native, ensure that the PNG image is not duplicated across different assets folders or configurations.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 💡 Conclusion

In React Native, when you create a release APK file and encounter the 'Duplicate Resource' error, it's essential to understand what causes this issue. This error occurs due to the presence of duplicate resources in your project's assets folder.

🔍 Why This Happens

  • The problem arises when you have multiple PNG images with the same name in your assets folder. Android's build process can't differentiate between them, leading to this error.

🔧 Proven Troubleshooting Steps

Method 1: Organize Assets Folder

  1. Step 1: Move all PNG images to a subfolder within the assets folder, e.g., images/.

Method 2: Rename Duplicate Images

  1. Step 1: Open Android Studio, navigate to the project's assets/ folder, and identify the duplicate PNG images.

💡 Conclusion

By implementing these steps, you should be able to resolve the 'Duplicate Resource' error and successfully create a release APK file.

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