QNdefMessage Class | Qt NFC | Qt 6.11.0
Description: The QNdefMessage class provides an NFC NDEF message.

- Qt 6.11
- Qt NFC
- C++ Classes
- QNdefMessage
- Qt 6.11.0 Reference Documentation

# QNdefMessage Class

The QNdefMessage class provides an NFC NDEF message. More...

Header: | `#include <QNdefMessage>`
CMake: | `find_package(Qt6 REQUIRED COMPONENTS Nfc)` `target_link_libraries(mytarget PRIVATE Qt6::Nfc)`
qmake: | `QT += nfc`
Since: | Qt 5.2

- List of all members, including inherited members

## Public Functions

| QNdefMessage()
| QNdefMessage(const int &records)
| QNdefMessage(const class QNdefMessage &message)
`(since 6.2)` QNdefMessage & | operator=(class QNdefMessage &&other)
`(since 6.2)` QNdefMessage & | operator=(const class QNdefMessage &other)

## Detailed Description

A QNdefMessage is a collection of 0 or more QNdefRecords. QNdefMessage inherits from QList<QNdefRecord> and therefore the standard QList functions can be used to manipulate the NDEF records in the message.

NDEF messages can be parsed from a byte array conforming to the NFC Data Exchange Format technical specification by using the fromByteArray() static function. Conversely QNdefMessages can be converted into a byte array with the toByteArray() function.

## Member Function Documentation

### `[constexpr noexcept]` QNdefMessage::QNdefMessage()

Constructs a new empty NDEF message.

### `[explicit]` QNdefMessage::QNdefMessage(const int &records)

Constructs a new NDEF message that contains all of the records in records.

### `[default]` QNdefMessage::QNdefMessage(const class QNdefMessage &message)

Constructs a new NDEF message that is a copy of message.

### `[default, since 6.2]` QNdefMessage &QNdefMessage::operator=(class QNdefMessage &&other)

Move assignment operator from QList<QNdefRecord>. Moves the other list of NDEF records to this NDEF record list.

After the operation, other will be empty.

This is an overloaded function.

This function was introduced in Qt 6.2.

### `[default, since 6.2]` QNdefMessage &QNdefMessage::operator=(const class QNdefMessage &other)

Copy assignment operator from QList<QNdefRecord>. Assigns the other list of NDEF records to this NDEF record list.

After the operation, other and `*this` will be equal.

This is an overloaded function.

This function was introduced in Qt 6.2.