class QNdefMessage#

The QNdefMessage class provides an NFC NDEF message. More…

Synopsis#

Methods#

def __init__()
def append()
def at()
def back()
def capacity()
def clear()
def constData()
def constFirst()
def constLast()
def count()
def data()
def empty()
def first()
def front()
def insert()
def isEmpty()
def isSharedWith()
def last()
def length()
def mid()
def move()
def __add__()
def __iadd__()
def __lshift__()
def __eq__()
def operator[]()
def pop_back()
def pop_front()
def prepend()
def push_back()
def push_front()
def remove()
def removeAll()
def removeAt()
def removeFirst()
def removeLast()
def removeOne()
def reserve()
def resize()
def shrink_to_fit()
def size()
def sliced()
def squeeze()
def swap()
def swapItemsAt()
def takeAt()
def toByteArray()
def toList()
def toVector()
def value()

Note

This documentation may contain snippets that were automatically translated from C++ to Python. We always welcome contributions to the snippet translation. If you see an issue with the translation, you can also let us know by creating a ticket on https:/bugreports.qt.io/projects/PYSIDE

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.

__init__(records)#

Parameters:: records – .list of QNdefRecord

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

__init__()

Constructs a new empty NDEF message.

__init__(record)

Parameters:: record – QNdefRecord

Constructs a new NDEF message containing a single record record.

__init__(message)

Parameters:: message – QNdefMessage

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

append(arg__1)#

Parameters:: arg__1 – QNdefRecord

append(l)

Parameters:: l – .list of QNdefRecord

at(i)#

Parameters:: i – int
Return type:: QNdefRecord

back()#

Return type:: QNdefRecord

capacity()#

Return type:: int

clear()#

constData()#

Return type:: QNdefRecord

constFirst()#

Return type:: QNdefRecord

constLast()#

Return type:: QNdefRecord

count()#

Return type:: int

data()#

Return type:: QNdefRecord

empty()#

Return type:: bool

first(n)#

Parameters:: n – int
Return type:: .list of QNdefRecord

first()

Return type:: QNdefRecord

static fromByteArray(message)#

Parameters:: message – QByteArray
Return type:: QNdefMessage

Returns an NDEF message parsed from the contents of message.

The message parameter is interpreted as the raw message format defined in the NFC Data Exchange Format technical specification.

If a parse error occurs an empty NDEF message is returned.

static fromList(list)#

Parameters:: list – .list of QNdefRecord
Return type:: .list of QNdefRecord

static fromVector(vector)#

Parameters:: vector – .list of QNdefRecord
Return type:: .list of QNdefRecord

front()#

Return type:: QNdefRecord

insert(arg__1, arg__2)#

Parameters:

arg__1 – int
arg__2 – QNdefRecord

isEmpty()#

Return type:: bool

isSharedWith(other)#

Parameters:: other – .list of QNdefRecord
Return type:: bool

last()#

Return type:: QNdefRecord

last(n)

Parameters:: n – int
Return type:: .list of QNdefRecord

length()#

Return type:: int

mid(pos[, len=-1])#

Parameters:

pos – int
len – int

Return type:

.list of QNdefRecord

move(from, to)#

Parameters:

from – int
to – int

__add__(l)#

Parameters:: l – .list of QNdefRecord
Return type:: .list of QNdefRecord

__iadd__(l)#

Parameters:: l – .list of QNdefRecord
Return type:: .list of QNdefRecord

__lshift__(l)#

Parameters:: l – .list of QNdefRecord
Return type:: .list of QNdefRecord

__eq__(other)#

Parameters:: other – QNdefMessage
Return type:: bool

Returns true if this NDEF message is equivalent to other; otherwise returns false.

An empty message (i.e. isEmpty() returns true) is equivalent to a NDEF message containing a single record of type Empty .

operator(i)#

Parameters:: i – int
Return type:: QNdefRecord

pop_back()#

pop_front()#

prepend(arg__1)#

Parameters:: arg__1 – QNdefRecord

push_back(arg__1)#

Parameters:: arg__1 – QNdefRecord

push_front(arg__1)#

Parameters:: arg__1 – QNdefRecord

remove(i[, n=1])#

Parameters:

i – int
n – int

removeAll(arg__1)#

Parameters:: arg__1 – QNdefRecord

removeAt(i)#

Parameters:: i – int

removeFirst()#

removeLast()#

removeOne(arg__1)#

Parameters:: arg__1 – QNdefRecord

reserve(size)#

Parameters:: size – int

resize(size)#

Parameters:: size – int

shrink_to_fit()#

size()#

Return type:: int

sliced(pos)#

Parameters:: pos – int
Return type:: .list of QNdefRecord

sliced(pos, n)

Parameters:

pos – int
n – int

Return type:

.list of QNdefRecord

squeeze()#

swap(other)#

Parameters:: other – .list of QNdefRecord

swapItemsAt(i, j)#

Parameters:

i – int
j – int

takeAt(i)#

Parameters:: i – int
Return type:: QNdefRecord

toByteArray()#

Return type:: QByteArray

Returns the NDEF message as a byte array.

The return value of this function conforms to the format defined in the NFC Data Exchange Format technical specification.

toList()#

Return type:: .list of QNdefRecord

toVector()#

Return type:: .list of QNdefRecord

value(i)#

Parameters:: i – int
Return type:: QNdefRecord