universal_barcode_scanner library
Barcode and QR code scanner for Flutter, on Android, iOS, Linux, macOS, web and Windows.
One entry point, UniversalBarcodeScanner. Use its static UniversalBarcodeScanner.scan to open the scanner as a route and get a code back, UniversalBarcodeScanner.stream to keep reading, or the widget itself to embed the camera in your own layout on Android and iOS.
final String? code = await UniversalBarcodeScanner.scan(context);
Classes
- ContactContent
- A person or a business, from a vCard or a MECARD.
- EmailContent
- An e-mail to write.
- EventContent
-
An event for the calendar, from an iCalendar
VEVENT. - GeoContent
- A place on the map.
- PhoneContent
- A phone number to call.
- ScanContent
- What the text of a code means, where it follows a format phones know: a link, a Wi-Fi network, a contact, an e-mail, a phone number, a text message, a place or an event.
- ScanFrame
- A frame of the camera, in grey: what the scan window shows, for an app that reads the picture itself, such as the text of a document.
- ScannerBar
- A bar above the web, Windows and Linux scanner: a title, and a back button.
- ScannerButtonStyle
-
How the buttons over the camera look: the group asked for with
buttons, and the close button of a scanner with no bar. - ScannerController
- Drives an embedded scanner: torch, pause, resume, zoom.
- ScannerLabels
-
The words the scanner shows or says: its buttons, for screen readers, what
the web, Windows and Linux page writes when the camera will not start, and
what it says of a code the
validatorrefuses. - ScanResult
- A code read: its text, and the symbology it was printed in.
- SmsContent
- A text message to send.
- UniversalBarcodeScanner
- UrlContent
- A web address.
- WifiContent
- A Wi-Fi network to join.
Enums
- BarcodeFormat
- The symbology of a code read.
- CameraFace
- Which camera to open.
- ScanFormat
- Which symbologies the scanner accepts, on every platform.
- ScannerButton
- A button over the camera, drawn by Flutter wherever the scanner is a Flutter page or view.
- ScannerErrorCode
- Why the scanner could not open or had to stop.
- ScanWindow
- Shape of the scan window.
- WifiSecurity
- How a Wi-Fi network is secured.
Typedefs
- ScannerCreatedCallback = void Function(ScannerController controller)
- Called once the embedded scanner exists, with the controller that drives it.
- ScanValidator = bool Function(ScanResult result)
- Barcode and QR code scanner.
Exceptions / Errors
- ScannerException
-
Thrown by
UniversalBarcodeScanner.scan, emitted on the stream ofUniversalBarcodeScanner.stream, and handed to the embedded view'sonError, when the scanner cannot do its job.