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Скачать или смотреть How to Update State When Returning to a Previous Page in React Native

  • vlogize
  • 2025-10-10
  • 0
How to Update State When Returning to a Previous Page in React Native
Update state when returning to previous pagereactjsreact nativegraphqlapollo
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Описание к видео How to Update State When Returning to a Previous Page in React Native

Learn how to effectively manage state in your React Native application by updating the profile description when navigating between pages. This guide covers useful strategies, including callback functions and best practices.
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This video is based on the question https://stackoverflow.com/q/68328334/ asked by the user 'EmilMalmsten' ( https://stackoverflow.com/u/15479032/ ) and on the answer https://stackoverflow.com/a/68328428/ provided by the user 'tuan nguyen' ( https://stackoverflow.com/u/4069030/ ) 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: Update state when returning to previous page

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.
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Managing State in React Native: Updating the Profile Description

Navigating within your React Native application can sometimes lead to challenges, especially when it comes to maintaining updated state. A common problem arises when users edit content on one page and expect the changes to reflect when they return to the previous page. Let's explore how you can keep your state synchronized and ensure that updates happen seamlessly in your React Native application.

The Challenge: Static Profiles After Editing

Imagine a user is on their Profile page, where they see their description. When they click an Edit button, they are taken to the EditProfile page. After making their edits and pressing submit, they expect the previous Profile page to show the new description. However, the description displayed has not updated. This can confuse users and lead to frustration.

The Solution: Using Callback Functions for State Updates

To resolve this problem, we can employ a simple solution involving callback functions that allow the EditProfile component to inform the Profile component of changes made. Let’s break down the implementation step by step.

Step 1: Passing a Callback Function

When navigating from the Profile page to the EditProfile page, you can pass a callback function as part of the navigation parameters. This function will allow the EditProfile page to inform the Profile page of any changes. Here's how you can implement this:

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

Step 2: Using the Callback Function in EditProfile

In the EditProfile page, after the user successfully edits the description and submits their changes, you will call the passed callback function. Here's how to implement this:

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

Example Code: The Complete Integration

Let’s see how the full implementation looks for both components, Profile and EditProfile:

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

Conclusion: Keeping Your UI in Sync

By utilizing callback functions, you can effectively manage state updates when navigating between pages in your React Native application. This approach not only ensures that your users see the most current information but also enhances the overall user experience. Now, your application can confidently handle updates, keeping all components in sync!

Call to Action

If you have further questions about managing state in React Native or need assistance with a specific use case, feel free to reach out in the comments below!

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