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Diffstat (limited to 'examples/nfc/poster/doc/src/poster.qdoc')
| -rw-r--r-- | examples/nfc/poster/doc/src/poster.qdoc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/examples/nfc/poster/doc/src/poster.qdoc b/examples/nfc/poster/doc/src/poster.qdoc index a569f47a..26320f56 100644 --- a/examples/nfc/poster/doc/src/poster.qdoc +++ b/examples/nfc/poster/doc/src/poster.qdoc @@ -31,7 +31,7 @@ \brief A QML example about reading and displaying NFC Data Exchange Format (NDEF) messages. The QML Poster example displays the contents of specifically formatted NFC Data -Exchange Format (NDEF) messages read from an NFC Tag. The NDEF message should +Exchange Format (NDEF) messages read from an NFC Tag. The NDEF message must contain a URI record, an optional \c image/* MIME record, and one or more localized Text records. @@ -39,5 +39,24 @@ localized Text records. \include examples-run.qdocinc +\section1 Applying NDEF Filters + +The example is designed to display the content of a very specific type of NFC tag. +The tag must contain at least one URI record and one text record. If those two +record types do not exist, nothing will happen. Such filtering is applied via the +\l NearField type's filter property. The property accepts a list of \l NdefFilter objects. + +\snippet poster/poster.qml QML NDEF filtering + +\section1 Processing Found NDEF Messages + +Once an appropriate tag is found, the \l NearField::messageRecords property reflects the content. +It transports the list of found NDEF records. The QML snippet below +demonstrates how these records can be accessed: + +\snippet poster/poster.qml messageRecordsChanged 1 +\snippet poster/poster.qml messageRecordsChanged 2 +\snippet poster/poster.qml messageRecordsChanged 3 + \sa {Qt NFC} */ |