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Solving ADB Reverse TCP Issues for Standalone Expo Apps with VPN Enabled on Android

Facing connection problems while using a VPN with your standalone Expo app on Android? Check out this guide for a clear resolution.
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This video is based on the question https://stackoverflow.com/q/78129762/ asked by the user 'mermaid' ( https://stackoverflow.com/u/16367515/ ) and on the answer https://stackoverflow.com/a/78156682/ provided by the user 'mermaid' ( https://stackoverflow.com/u/16367515/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, comments, revision history etc. For example, the original title of the Question was: standalone expo app with VPN turned on ( the VPN on android device ) - adb reverse tcp issue

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The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
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Solving ADB Reverse TCP Issues for Standalone Expo Apps with VPN Enabled on Android

Are you experiencing disconnection issues with your standalone Expo app while using a VPN on your Android device? You're not alone! Developers often face challenges when their applications can't connect to the Metro server while the VPN is active. This guide will dive into the problem and provide you with a straightforward solution to get your app back online.

Understanding the Problem

When you have a VPN turned on while developing a React Native app with Expo, it can disrupt the communication between your app and the Metro server, resulting in error messages like "error loading app, connection reset" or "Cannot connect to the Metro". This can be frustrating and halt your workflow.

The primary cause of this issue usually revolves around network configurations and port settings. Here’s a summary of the typical symptoms you might encounter:

Disconnection from the Metro server when the VPN is enabled.

Error messages indicating that a connection cannot be established.

Difficulties performing adb reverse commands.

Steps to Resolve the Issue

While dealing with this challenge can be complex, the steps below outline a proven method to reconnect your Expo app while using a VPN:

1. Enable USB Debugging

First, ensure USB debugging is enabled on your Android device:

Navigate to Settings > About phone.

Tap Build number seven times to unlock developer options.

Go back and select Developer options > USB debugging.

2. Connect Your Device via USB

Connect your Android device to your laptop with a USB cable. This allows for faster and more reliable communication during development.

3. Restart ADB Server

Open your command line interface and execute the following commands to restart the ADB server:

[[See Video to Reveal this Text or Code Snippet]]

You should see messages indicating that the daemon has started successfully.

4. Switch to the Correct TCP Port

Instead of port 5555, switch to port 5037 for your ADB commands by running:

[[See Video to Reveal this Text or Code Snippet]]

5. Connect to Your Device's IP Address

Next, connect your development machine to the device's IP by entering:

[[See Video to Reveal this Text or Code Snippet]]

6. Final Steps

Before launching your Expo app, it’s essential to kill the server one last time to ensure everything is clean:

[[See Video to Reveal this Text or Code Snippet]]

Now, start your Expo app with the command:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following these steps, you should be able to run your React Native standalone app without disconnecting from the VPN. The key takeaway here is to use the correct port and ensure the ADB server is appropriately configured.

If you run into challenges again, double-check your network settings and make sure your device is properly connected. Happy coding!

Видео Solving ADB Reverse TCP Issues for Standalone Expo Apps with VPN Enabled on Android канала vlogize
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