In this FlutterFlow tutorial, we'll show you how to upload binary files using an API. Follow along with our step-by-step guide to learn how to upload any file to any backend that supports multiform data. We'll be using PocketBase for this demo, but you can apply the same principles to any backend that supports multiform data for file uploading.
First, we'll set up the UI to allow the user to preview the selected photo before uploading it. Then, we'll set up the API call to upload the image to our backend using multipart-form data. We'll also show you how to notify users with a Snackbar once the upload is complete.
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