Скачать или смотреть Resolving Firestore Database Update Issues in Flutter

Discover how to troubleshoot and fix Firestore database update issues in Flutter applications with this comprehensive guide. Learn to identify and correct common errors for seamless data storage.
---
This video is based on the question https://stackoverflow.com/q/73788758/ asked by the user 'Juan Casas' ( https://stackoverflow.com/u/17281101/ ) and on the answer https://stackoverflow.com/a/73788810/ provided by the user 'Matthew Patience' ( https://stackoverflow.com/u/1062787/ ) 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: Firestore Database not updating (flutter/dart)

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.
---
Troubleshooting Firestore Database Update Issues in Flutter

Working with Firestore in your Flutter applications can sometimes lead to unexpected challenges, including issues where the database does not seem to update as intended. If you're struggling to create collections or update data in Firestore, you're not alone! Let's dive into a common scenario and explore how to resolve this issue effectively.

The Problem: Firestore Not Updating

In one recent case, a developer encountered an issue where the database was not reflecting updates when submitting a form. Here’s the key situation:

The authentication and storage tables were updating correctly.

Firestore was not updating at all.

An error was also being thrown, indicating problems with the input being sent to the database.

The pertinent code involved the creation of a new user and storing related information in Firestore. Here's a look at the relevant portion of the submission code:

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

An error message appeared, indicating there was an "Invalid argument" related to one of the fields being sent.

Analyzing the Solution

Upon examining the relevant line:

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

It quickly becomes apparent where the problem lies. The variable _locationTextController is not being accessed correctly—it's currently sending the entire TextEditingController instance rather than the text it contains!

The Fix

To correct this, you need to extract the text from _locationTextController as follows:

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

By making this change, the program sends the text value from the TextEditingController to Firestore rather than the controller itself, resolving the error.

Updated Code Snippet

Your updated data submission code should look like this:

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

Conclusion

Issues with integrating Firebase Firestore within your Flutter application can often stem from common coding oversights. By paying attention to how you access the values from TextEditingControllers and ensuring you're submitting the correct data types, you can troubleshoot and rectify these problems efficiently.

If your Firestore tables aren't updating, always double-check your controller references! Happy coding!