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OneSignal is a leading Push Communication API provider that enables developers to send notifications across various platforms, including mobile and web. It is widely used for its robust features and ease of integration, allowing applications to engage users effectively through timely notifications.
One common issue developers encounter is the notification image not displaying as expected. This can be frustrating, especially when images are crucial for the message's impact and engagement.
The primary symptom is that the image intended to accompany a notification does not appear. Instead, users might see a blank space or a default icon. This issue often arises due to incorrect image URLs or accessibility problems.
There are a few common reasons why this issue might occur:
Ensure that the image URL used in the notification payload is correct. Double-check for any typos or errors in the URL. You can test the URL by pasting it directly into a web browser to see if the image loads correctly.
Make sure the image is hosted on a server that allows public access. If the image is stored on a private server, adjust the server settings to make the image publicly accessible. For example, if using AWS S3, ensure the bucket policy allows public read access. Refer to AWS S3 Documentation for more details.
Ensure that the image URL uses HTTPS rather than HTTP, as many platforms require secure connections for loading external resources. Update the URL if necessary.
Use the OneSignal dashboard to send a test notification with the image URL. This can help verify if the issue persists and if the image displays correctly. Refer to the OneSignal Documentation for guidance on sending test notifications.
By following these steps, you should be able to resolve the issue of notification images not displaying in OneSignal. Ensuring correct URLs and public accessibility are key factors in resolving this problem. For further assistance, consider reaching out to OneSignal Support.
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