NdefFilter QML Type | Qt NFC 5.6

Qt 5.6 | Qt NFC | QML Types | NdefFilter QML Type

Qt 5.6.2 Reference Documentation

# NdefFilter QML Type

Represents a filtering constraint for NDEF message records. More...

Import Statement: | import QtNfc 5.2
Since: | Qt 5.2

- List of all members, including inherited members

## Properties

- maximum : int
- minimum : int
- type : string
- typeNameFormat : QQmlNdefRecord::TypeNameFormat

## Detailed Description

The NdefFilter type is used with the NearField type to read NDEF messages from NFC Forum tags that match a given structure.

      NearField {
          filter: [
              NdefFilter {
                  type: "urn:nfc:wkt:U"
                  minimum: 1
                  maximum: 1
              }
          ]
      }

See also NearField and QNdefFilter.

## Property Documentation

maximum : int

This property holds the maximum number of records of the given type that must be in the NDEF message for it match.

The default maximum is UINT_MAX.

See also minimum.

minimum : int

This property holds the minimum number of records of the given type that must be in the NDEF message for it match.

The default minimum is 1.

See also maximum.

type : string

This property holds the NDEF record type that the filter matches. This property must be set to the fully qualified record type, i.e. including the NIS and NSS prefixes. For example set to `urn:nfc:wkt:U` to match NFC RTD-URI records.

typeNameFormat : QQmlNdefRecord::TypeNameFormat

This property holds the NDEF record name format type