Скачать или смотреть Understanding the No address information found for supplied coordinates Error in Flutter Geocoding

Learn why the error `No address information found for supplied coordinates` occurs in Flutter’s Geocoding and how to resolve it effectively.
---
This video is based on the question https://stackoverflow.com/q/70361550/ asked by the user 'Shaif Mohammad Reasat Dihan' ( https://stackoverflow.com/u/8523689/ ) and on the answer https://stackoverflow.com/a/71633965/ provided by the user 'Shaif Mohammad Reasat Dihan' ( https://stackoverflow.com/u/8523689/ ) 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, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Flutter Geocoding, why showing error No address information found for supplied coordinates?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding the No address information found for supplied coordinates Error in Flutter Geocoding

If you’re working with Flutter and trying to convert geographical coordinates into a physical address, you might have come across the frustrating error: No address information found for supplied coordinates. This issue can be particularly discouraging, especially when you're confident that the coordinates you're using are valid. In this guide, we’ll explore why this error occurs and how to troubleshoot it effectively.

The Problem Explained

When implementing geocoding functionality in Flutter, you might encounter the following error:

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

This message indicates that the geocoding service was unable to find any address information for the specified latitude and longitude. While this might seem confusing, there are a few potential reasons why this could happen, often dependent on the device or the environment you are working in.

Common Reasons for the Error

Invalid or Inaccessible Coordinates:

Ensure that the coordinates you pass to the geocoding service are valid and correspond to a location with address data.

Device-Specific Issues:

As noted in the user experience, this issue only occurs on specific devices; for instance, it worked on other mobile devices but not on the OnePlus 7T. Device settings or network conditions could impact the API's ability to retrieve data.

Network Issues:

Ensure that your device or emulator has internet access. Geocoding relies on network requests to retrieve address information.

API Limitations:

The Flutter Geocoding package doesn’t directly utilize Google Cloud Platform's Geocoding API. It utilizes its own integrated approach. Understanding the limitations of these services can also clarify expectations.

Solution Steps

1. Verify Coordinates

Double-check the latitude and longitude values.

You can verify them in services like Google Maps to see if they correspond to any address.

2. Test on Different Devices

Given that the issue was device-specific, try running your application on different phones or emulators to determine if the error persists across platforms.

3. Review API Keys (if applicable)

If you decide to use Google's Geocoding API, ensure that your API keys are properly configured and that your billing account is enabled, as unrestricted access nuances can also lead to failures in retrieving data.

4. Network Availability

Make sure that the device is connected to the internet. A quick ping test to a website could confirm internet connectivity.

5. Implement Error Handling

In your Flutter app, incorporate error handling when calling the geocoding function. This can help address the issue gracefully without crashing your application.

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

Conclusion

Geocoding can be a highly useful feature in your applications, but it can also present unique challenges. The No address information found for supplied coordinates error may seem daunting at first, but understanding the possible causes and solutions can help you resolve the issue successfully. By following the troubleshooting steps outlined above, you can enhance the robustness of your Flutter application’s geocoding functionality.

If you have any other questions or need further clarification, feel free to reach out!