I am searching for a Flutter package which can find the barcode of a .pdf file

  • 1 year ago
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Currently, there is no specific Flutter package available that can directly extract barcodes from a PDF file. However, you can make use of existing barcode scanning libraries in Flutter to achieve this functionality indirectly. Here's a general approach you can follow:

  1. Convert PDF to images: Use a Flutter package like pdf or pdf_image_renderer to convert the pages of the PDF file into images. These packages allow you to render PDF pages as images in Flutter.

  2. Apply barcode scanning: Once you have the images representing each page of the PDF, you can use a barcode scanning library in Flutter to scan for barcodes. The most commonly used barcode scanning package is flutter_barcode_scanner. However, note that this package is primarily designed for scanning barcodes using the device's camera and may not support scanning barcodes directly from images.

  3. Extract barcode content: After scanning the image for barcodes, you can extract the barcode content from the scanned result using the barcode scanning library. The specific method for extracting barcode content depends on the library you choose to use.

By combining these steps, you can indirectly extract barcodes from a PDF file in a Flutter application. However, note that the accuracy and reliability of barcode scanning from images depend on factors such as image quality, barcode size, barcode type, and the specific barcode scanning library you use.