A concrete subclass of CIBarcode
that represents a square QR code symbol.
SDKs
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
Framework
- Core Image
Declaration
class CIQRCodeDescriptor : CIBarcode Descriptor
Overview
ISO/IEC 18004 defines versions from 1 to 40, where a higher symbol version indicates a larger data-carrying capacity.
QR codes can encode text, vCard contact information, or Uniform Resource Identifiers (URI).