QrCode class

A QR code captured from images (e.g. the frames of a camera stream), with its location and content.

Constructors

QrCode({int contentCacheLimit = 10})

Initializes a new QR code. contentCacheLimit is the number of times the content is kept as valid when decoding fails.

Properties

content → QrContent?

The content of the QR code.

no setter

contentCacheLimit → int

The number the number of times the content is kept as valid when decoding fails.

final

hashCode → int

The hash code for this object.

no setter, inherited

location → QrLocation?

The location of the QR code.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

scanBitMatrix(BitMatrix matrix, {bool invalidateContent = false, bool ignoreIfUnreadable = false, bool perfectQrCode = false}) → dynamic

Scan a BitMatrix to update QR code content and location.

scanImage(Image? image) → dynamic

scanImageBytes(Uint8List bytes) → dynamic

Scan an encoded image in any format supported by the dart image library to update QR code and location

scanRgbaBytes(Uint8List bytes, int width, int height, {bool ignoreIfUnreadable = false}) → dynamic

Scan an image encoded as a Uint8List of RGBA values to update QR code content and location.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited