Fixing the Deep-Linking Not Working Issue in React Native Expo Apps

Learn how to troubleshoot deep-linking issues in React Native Expo apps after production, with step-by-step guidance for both Android and iOS platforms.
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This video is based on the question https://stackoverflow.com/q/73361789/ asked by the user 'fatma mahmoud' ( https://stackoverflow.com/u/15969219/ ) and on the answer https://stackoverflow.com/a/73406398/ provided by the user 'Moustaoui Salaheddine' ( https://stackoverflow.com/u/14724559/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Troubleshooting Deep-Linking Issues in React Native Expo Apps

Deep-linking allows your app to open a specific page using a URL, making user navigation seamless. However, you might encounter issues with deep-linking when your app goes live. If you've found that your deep-links work in development but fail in production, you're not alone. Many developers using React Native Expo face this problem, especially when transitioning to a deployed application.

In this guide, we’ll delve into the common reasons deep-linking might not be working and guide you through effective solutions for both Android and iOS.

Understanding the Deep-Linking Structure

Before we jump into the troubleshooting steps, let’s look at the basic structure of your React Native Expo app's app.json for handling deep-links.

Here's an excerpt from your app.json file:

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

This configuration is crucial for allowing your app to handle specific URLs, but we need to ensure everything is set up correctly for both platforms.

Steps to Fix Deep-Linking

1. Update Your Android Intent Filters

To ensure your deep-linking functions in production on Android, modify the intentFilters in your app.json as follows:

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

This adjustment enables your app to open for any host, reducing the chance of mismatches causing the deep-link to fail.

Your updated app.json should look like this:

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

2. Verify on iOS

For iOS, once you have built the .ipa file, test the links by using myapp:// in your browser on a device where the app is installed.

3. Testing on Android

After building the .apk, send the URL as a message through emails or applications like WhatsApp. This allows you to click the link directly and verify that the app opens as expected after installation.

Conclusion

Deep-linking can be a tricky feature to implement, especially when moving from development to production. However, by following these structured steps, you should be able to resolve any issues you encounter. With the right filters and thorough testing on both Android and iOS, your users will enjoy seamless navigation within your app.

By ensuring that your app handles links appropriately, you enhance user experience and engagement, making your application more robust and user-friendly.

If you have further questions about deep-linking or any related topics, feel free to comment below!

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