google_mlkit_barcode_scanning 0.4.0

A Flutter plugin to use Google's ML Kit Barcode Scanning to read data encoded using most standard barcode formats.

Google's ML Kit Barcode Scanning for Flutter

A Flutter plugin to use Google's ML Kit Barcode Scanning to read data encoded using most standard barcode formats.

Getting Started

Before you get started read about the requirements and known issues of this plugin here.

Usage

Barcode scanning

Create an instance of InputImage

Create an instance of InputImage as explained here.

final InputImage inputImage;

Create an instance of BarcodeScanner

final List<BarcodeFormat> formats = [BarcodeFormat.all, ...];
final barcodeScanner = BarcodeScanner(formats: formats);

Process image

final List<Barcode> barcodes = await barcodeScanner.processImage(inputImage);

for (Barcode barcode in barcodes) {
  final BarcodeType type = barcode.type;
  final Rect boundingBox = barcode.boundingBox;
  final String displayValue = barcode.displayValue;
  final String rawValue = barcode.rawValue;

  // See API reference for complete list of supported types
  switch (type) {
    case BarcodeType.wifi:
      BarcodeWifi barcodeWifi = barcode.value;
      break;
    case BarcodeValueType.url:
      BarcodeUrl barcodeUrl = barcode.value;
      break;
  }
}

Release resources with close()

barcodeScanner.close();

Example app

Find the example app here.

Contributing

Contributions are welcome. In case of any problems look at existing issues, if you cannot find anything related to your problem then open an issue. Create an issue before opening a pull request for non trivial fixes. In case of trivial fixes open a pull request directly.