# Package com.google.zxing.qrcode.decoder

- Class Summary
  Class | Description
  --- | ---
  Decoder | The main class which implements QR Code decoding -- as opposed to locating and extracting the QR Code from an image.
  QRCodeDecoderMetaData | Meta-data container for QR Code decoding.
  Version | See ISO 18004:2006 Annex D
  Version.ECB | Encapsulates the parameters for one error-correction block in one symbol version.
  Version.ECBlocks | Encapsulates a set of error-correction blocks in one symbol version.

- Enum Summary
  Enum | Description
  --- | ---
  ErrorCorrectionLevel | See ISO 18004:2006, 6.5.1.
  Mode | See ISO 18004:2006, 6.4.1, Tables 2 and 3.

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