Introduction
When you upload files to Firebase Storage, you want to see how much has uploaded so far. Upload progress monitoring shows you the current upload status in real time. This helps users know if the upload is working and how long it might take.
When you want to show a progress bar while uploading images to Firebase Storage.
When uploading large videos and you want to inform users about the upload status.
When you want to retry or handle errors based on upload progress events.
When you want to log upload speed or time taken for analytics.
When you want to disable UI elements until the upload finishes.