Solving the S3 Amplify React Native Storage.get(image) Display Issue

Discover how to resolve the 'source.uri should not be an empty string' error in your React Native app while fetching images from S3 with AWS Amplify.
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This video is based on the question https://stackoverflow.com/q/66218974/ asked by the user 'zack azha' ( https://stackoverflow.com/u/5110112/ ) and on the answer https://stackoverflow.com/a/66219029/ provided by the user 'Guruparan Giritharan' ( https://stackoverflow.com/u/1435722/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the S3 Amplify React Native Storage.get(image) Display Issue: A Step-by-Step Guide

When working with React Native and AWS Amplify, many developers encounter challenges, especially when it comes to displaying images retrieved from S3 storage. One common error that arises is: 'source.uri should not be an empty string'. If you've been scratching your head over why your images aren't displaying as expected, you're in the right place! In this guide, we will uncover the problem, explain the underlying issues, and provide you with a clear solution.

The Problem: Empty String for Image URI

You might be trying to fetch an image from S3, but instead of seeing the desired picture displayed on your app interface, you see an error message related to an empty string in the image source URI. This can be particularly confusing if your console log indicates that the correct image URL is being set.

Understanding the Issue

The main issue at play is that during the initial render of your component, the state variable img9 is initialized to an empty string. This results in the Image component being fed an empty uri, leading to the error.

The Solution: Conditional Rendering

To resolve this issue efficiently, you need to incorporate conditional rendering in your component. This approach ensures that the Image component only attempts to render when the img9 variable has a valid value.

Step-by-Step Implementation

Update the Image Rendering Logic:
Modify your Image component's rendering logic to include a condition that checks whether img9 contains a valid URL. Here’s how you can implement this:

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

In this code snippet, the Image component will only render if img9 is truthy (i.e., not an empty string). Confident that the URL is available, this change resolves the error you've been experiencing.

Consider Adding a Loading Indicator:
To improve user experience, you might want to implement a loading indicator while the image URL is being fetched. You can introduce a state variable that manages the loading status.

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

You can also display a spinner or a placeholder while the image is being loaded, making your app feel more responsive:

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

Conclusion

By integrating conditional rendering within your React Native app, you can elegantly navigate around the source.uri should not be an empty string error when fetching images from AWS S3 using Amplify. Not only does this resolve the error, but it also enhances user experience through improved loading feedback.

If you’re finding this troubleshooting process to be helpful, be sure to share this guide with fellow developers who might face the same challenges. Happy coding!

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