Software⏱️ 2 min read📅 2026-06-03

How to Fix: android.view.InflateException: Binary XML file line #12: Error inflating class <unknown>

Android InflateException occurs when the Android system cannot inflate a layout resource. This can be caused by a variety of issues such as missing or incorrect XML files, invalid layouts, or corrupted assets.

Quick Answer: Check your layout resources for any errors or inconsistencies, and ensure that all required assets are present and correctly named. Use tools like Android Studio's built-in layout inspector to help identify the issue.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

The Android InflateException: Binary XML file line #12: Error inflating class <unknown> error occurs when the Android system cannot inflate a layout resource. This can be caused by several factors, including incorrect or missing XML tags, invalid namespace references, or corrupted layout files.

⚠️ Common Causes

  • Incorrect or missing XML tags in the layout file.
  • Invalid namespace references or references to non-existent resources.
  • Corrupted layout files due to disk errors or software issues.

🚀 How to Resolve This Issue

Method 1: Validate XML Tags

  1. Step 1: Open the layout file in a text editor and check for any missing or incorrect XML tags.
  2. Step 2: Validate the XML syntax using an XML validation tool or online resources.

Method 2: Check Namespace References

  1. Step 1: Verify that the namespace references in your layout file are correct and point to existing resources.
  2. Step 2: Check for any typos or incorrect paths in the namespace references.

💡 Conclusion

By following these steps, you should be able to resolve the Android InflateException: Binary XML file line #12: Error inflating class <unknown> error and get your app up and running smoothly.

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