Class QVariant

java.lang.Object

io.qt.QtObject

io.qt.core.QVariant

All Implemented Interfaces:

QtObjectInterface, Cloneable

public class QVariant
extends QtObject
implements Cloneable

Acts like a union for the most common Qt data types

Java wrapper for Qt class QVariant

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	QVariant.Type	Deprecated. Use QMetaType::Type instead.

Field Summary

Fields

Modifier and Type	Field	Description
static final Object	INVALID	Special value representing invalid QVariant
static final Object	NULL	Special value representing QVariant(null)

Constructor Summary

Constructors

Constructor	Description
QVariant()	See QVariant::QVariant()
QVariant(boolean b)	See QVariant::QVariant(bool)
QVariant(byte [] bytearray)	Overloaded constructor for QVariant(io.qt.core.QByteArray).
QVariant(char qchar)	See QVariant::QVariant(QChar)
QVariant(double d)	See QVariant::QVariant(double)
QVariant(float f)	See QVariant::QVariant(float)
QVariant(int i)	See QVariant::QVariant(int)
QVariant(long ll)	See QVariant::QVariant(qlonglong)
QVariant(QBitArray bitarray)	See QVariant::QVariant(QBitArray)
QVariant(QByteArray bytearray)	See QVariant::QVariant(QByteArray)
QVariant(QDate date)	See QVariant::QVariant(QDate)
QVariant(QDateTime datetime)	See QVariant::QVariant(QDateTime)
QVariant(QEasingCurve easing)	See QVariant::QVariant(QEasingCurve)
QVariant(QJsonArray jsonArray)	See QVariant::QVariant(QJsonArray)
QVariant(QJsonDocument jsonDocument)	See QVariant::QVariant(QJsonDocument)
QVariant(QJsonObject jsonObject)	See QVariant::QVariant(QJsonObject)
QVariant(QJsonValue jsonValue)	See QVariant::QVariant(QJsonValue)
QVariant(QLine line)	See QVariant::QVariant(QLine)
QVariant(QLineF line)	See QVariant::QVariant(QLineF)
QVariant(QLocale locale)	See QVariant::QVariant(QLocale)
QVariant(QMetaType type)	Overloaded constructor for QVariant(io.qt.core.QMetaType, java.lang.Object) with copy = null.
QVariant(QMetaType type, Object copy)	See QVariant::QVariant(QMetaType,const void*)
QVariant(QModelIndex modelIndex)	See QVariant::QVariant(QModelIndex)
QVariant(QPersistentModelIndex modelIndex)	See QVariant::QVariant(QPersistentModelIndex)
QVariant(QPoint pt)	See QVariant::QVariant(QPoint)
QVariant(QPointF pt)	See QVariant::QVariant(QPointF)
QVariant(QRect rect)	See QVariant::QVariant(QRect)
QVariant(QRectF rect)	See QVariant::QVariant(QRectF)
QVariant(QRegularExpression re)	See QVariant::QVariant(QRegularExpression)
QVariant(QSize size)	See QVariant::QVariant(QSize)
QVariant(QSizeF size)	See QVariant::QVariant(QSizeF)
QVariant(QTime time)	See QVariant::QVariant(QTime)
QVariant(QUrl url)	See QVariant::QVariant(QUrl)
QVariant(QUuid uuid)	See QVariant::QVariant(QUuid)
QVariant(QEasingCurve.Type easing)	Overloaded constructor for QVariant(io.qt.core.QEasingCurve).
QVariant(QJsonValue.Type jsonValue)	Overloaded constructor for QVariant(io.qt.core.QJsonValue).
QVariant(QLocale.Language locale)	Overloaded constructor for QVariant(io.qt.core.QLocale).
QVariant(QMetaType.Type metaType)	See QVariant::QVariant(QMetaType,const void*)
QVariant(QMetaType.Type type, Object copy)	See QVariant::QVariant(QMetaType,const void*)
QVariant(QVariant.Type type)	Deprecated. Use the constructor taking a QMetaType instead.
QVariant(String string)	See QVariant::QVariant(QString)
QVariant(Object other)	See QVariant::QVariant(QVariant)
QVariant(Collection<? extends Object> list)	See QVariant::QVariant(QList<QVariant>)
QVariant(Map<String, ? extends Object> hash)	See QVariant::QVariant(QHash<QString,QVariant>)
QVariant(NavigableMap<String, ? extends Object> map)	See QVariant::QVariant(QMap<QString,QVariant>)

Method Summary

Modifier and Type	Method	Description
final void	assign(QVariant other)	Overloaded function for assign(java.lang.Object).
final void	assign(Object other)	See QVariant::operator=(QVariant)
final boolean	canConvert(int targetTypeId)	Deprecated.
final boolean	canConvert(QMetaType targetType)	See QVariant::canConvert(QMetaType)const
final boolean	canConvert(QMetaType.Type targetType)	See QVariant::canConvert(QMetaType)const
final boolean	canConvert(QVariant.Type targetType)	Deprecated, for removal: This API element is subject to removal in a future version.
static boolean	canConvert(Object obj, int targetType)	Deprecated, for removal: This API element is subject to removal in a future version.
static boolean	canConvert(Object obj, QMetaType type)	Convenient static function for type conversion.
static boolean	canConvert(Object obj, QMetaType.Type type)	Convenient static function for type conversion.
static boolean	canConvertToBitArray(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToBoolean(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToByteArray(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToChar(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToCollection(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToDate(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToDateTime(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToDouble(Object obj)	Convenient static function for type conversion.
static <E extends Enum<?>> boolean	canConvertToEnum(Class<E> enumClass, Object obj)	Convenient static function for type conversion.
static boolean	canConvertToFlags(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToFloat(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToInt(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToLine(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToLineF(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToList(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToLocale(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToLong(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToMap(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToPoint(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToPointF(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToRect(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToRectF(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToRegularExpression(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToSize(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToSizeF(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToString(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToStringList(Object obj)	Convenient static function for type conversion.
static boolean	canConvertToTime(Object obj)	Convenient static function for type conversion.
final void	clear()	See QVariant::clear()
QVariant	clone()	Creates and returns a copy of this object.
static int	compare(QVariant lhs, QVariant rhs)	See QVariant::compare(QVariant,QVariant)
final boolean	convert(int targetTypeId)	Deprecated.
final boolean	convert(QMetaType type)	See QVariant::convert(QMetaType)
static Object	convert(Object obj, int metaType)	Convenient static function for type conversion.
static Object	convert(Object obj, int metaType, boolean [] ok)	Convenient static function for type conversion.
static Object	convert(Object obj, QMetaType metaType)	Convenient static function for type conversion.
static Object	convert(Object obj, QMetaType metaType, boolean [] ok)	Convenient static function for type conversion.
static Object	convert(Object obj, QMetaType.Type type)	Convenient static function for type conversion.
static Object	convert(Object obj, QMetaType.Type type, boolean [] ok)	Convenient static function for type conversion.
static <T> T	convert(Object obj, Class<T> cl, QMetaType ... instantiations)	Convenient static function for type conversion.
final boolean	convert(Class<?> cl, QMetaType ... instantiations)	See QVariant::convert(QMetaType)
protected final Optional<Object>	convertTo(int type)	See QVariant::convert(int,void*)const
protected final void	create(int type, Object copy)	See QVariant::create(int,const void*)
protected final void	create(QMetaType type, Object copy)	See QVariant::create(QMetaType,const void*)
final void	detach()	See QVariant::detach()
final boolean	equals(QVariant rhs)	See operator==(QVariant,QVariant)
boolean	equals(Object other)	See operator==(QVariant,QVariant)
static QVariant	fromMetaType(QMetaType type)	Overloaded function for fromMetaType(io.qt.core.QMetaType, java.lang.Object) with copy = null.
static QVariant	fromMetaType(QMetaType type, Object copy)	See QVariant::fromMetaType(QMetaType,const void*)
static QVariant	fromMetaType(QMetaType.Type type)	Overloaded function for fromMetaType(io.qt.core.QMetaType.Type, java.lang.Object) with copy = null.
static QVariant	fromMetaType(QMetaType.Type type, Object copy)	Overloaded function for fromMetaType(io.qt.core.QMetaType, java.lang.Object).
static <T> QVariant	fromValue(T value)	See QVariant::fromValue<T>(T)
int	hashCode()	Returns the objects's hash code computed by qHash(QVariant).
final boolean	isDetached()	See QVariant::isDetached()const
final boolean	isNull()	See QVariant::isNull()const
final boolean	isValid()	See QVariant::isValid()const
static boolean	isValid(Object variant)	Deprecated, for removal: This API element is subject to removal in a future version.
final void	load(QDataStream ds)	See QVariant::load(QDataStream&)
static Object	loadObject(QDataStream stream)	Deprecated, for removal: This API element is subject to removal in a future version. Use QDataStream.readObject(Class, QMetaType...) instead.
static Object	loadObject(QDataStream stream, Boolean [] ok)	Deprecated, for removal: This API element is subject to removal in a future version. Use QDataStream.readObject(Class, QMetaType...) instead.
final QMetaType	metaType()	See QVariant::metaType()const
static QVariant.Type	nameToType(String name)	Deprecated.
static Object	nullable(Object value)	Returns value if value is not null and NULL otherwise.
static QVariant	nullVariant()	Deprecated, for removal: This API element is subject to removal in a future version. Use QVariant.NULL instead
static <T extends QtObjectInterface> T	qvariant_cast(Object object, Class<T> targetType, QMetaType ... instantiations)	See qvariant_cast<T>(QVariant)
void	readFrom(QDataStream s)	See operator>>(QDataStream&,QVariant&)
final void	save(QDataStream ds)	See QVariant::save(QDataStream&)const
static void	saveObject(QDataStream stream, Object object)	Deprecated, for removal: This API element is subject to removal in a future version. Use QDataStream.writeObject(Object) instead.
static void	saveObject(QDataStream stream, Object object, Boolean [] ok)	Deprecated, for removal: This API element is subject to removal in a future version. Use QDataStream.writeObject(Object) instead.
final void	setValue(Object avalue)	See QVariant::setValue(QVariant)
final void	swap(QVariant other)	See QVariant::swap(QVariant&)
final QBitArray	toBitArray()	See QVariant::toBitArray()const
static QBitArray	toBitArray(Object obj)	Convenient static function for type conversion.
final boolean	toBoolean()	See QVariant::toBool()const
static boolean	toBoolean(Object obj)	Convenient static function for type conversion.
final QByteArray	toByteArray()	See QVariant::toByteArray()const
static QByteArray	toByteArray(Object obj)	Convenient static function for type conversion.
final char	toChar()	See QVariant::toChar()const
static char	toChar(Object obj)	Convenient static function for type conversion.
static Collection<?>	toCollection(Object obj)	Convenient static function for type conversion.
final QDate	toDate()	See QVariant::toDate()const
static QDate	toDate(Object obj)	Convenient static function for type conversion.
final QDateTime	toDateTime()	See QVariant::toDateTime()const
static QDateTime	toDateTime(Object obj)	Convenient static function for type conversion.
final double	toDouble()	Overloaded function for toDouble(boolean[]) with ok = null.
final double	toDouble(boolean[] ok)	See QVariant::toDouble(bool*)const
static double	toDouble(Object obj)	Convenient static function for type conversion.
static double	toDouble(Object obj, boolean [] ok)	Convenient static function for type conversion.
final QEasingCurve	toEasingCurve()	See QVariant::toEasingCurve()const
static <E extends Enum<?>> E	toEnum(Class<E> enumClass, Object obj)	Convenient static function for type conversion.
static <E extends Enum<?>> E	toEnum(Class<E> enumClass, Object obj, boolean [] ok)	Convenient static function for type conversion.
static <F extends QFlags<?>> F	toFlags(Class<F> flagsClass, Object obj)	Convenient static function for type conversion.
static <F extends QFlags<?>> F	toFlags(Class<F> flagsClass, Object obj, boolean [] ok)	Convenient static function for type conversion.
final float	toFloat()	Overloaded function for toFloat(boolean[]) with ok = null.
final float	toFloat(boolean[] ok)	See QVariant::toFloat(bool*)const
static float	toFloat(Object obj)	Convenient static function for type conversion.
static float	toFloat(Object obj, boolean [] ok)	Convenient static function for type conversion.
final QHash<String,Object>	toHash()	See QVariant::toHash()const
static QHash<String,Object>	toHash(Object obj)	Convenient static function for type conversion.
final int	toInt()	Overloaded function for toInt(boolean[]) with ok = null.
final int	toInt(boolean[] ok)	See QVariant::toInt(bool*)const
static int	toInt(Object obj)	Convenient static function for type conversion.
static int	toInt(Object obj, boolean [] ok)	Convenient static function for type conversion.
final QJsonArray	toJsonArray()	See QVariant::toJsonArray()const
final QJsonDocument	toJsonDocument()	See QVariant::toJsonDocument()const
final QJsonObject	toJsonObject()	See QVariant::toJsonObject()const
final QJsonValue	toJsonValue()	See QVariant::toJsonValue()const
final QLine	toLine()	See QVariant::toLine()const
static QLine	toLine(Object obj)	Convenient static function for type conversion.
final QLineF	toLineF()	See QVariant::toLineF()const
static QLineF	toLineF(Object obj)	Convenient static function for type conversion.
final QList<Object>	toList()	See QVariant::toList()const
static QList<Object>	toList(Object obj)	Convenient static function for type conversion.
final QLocale	toLocale()	See QVariant::toLocale()const
static QLocale	toLocale(Object obj)	Convenient static function for type conversion.
final long	toLong()	Overloaded function for toLong(boolean[]) with ok = null.
final long	toLong(boolean[] ok)	See QVariant::toLongLong(bool*)const
static long	toLong(Object obj, boolean [] ok)	Convenient static function for type conversion.
final QMap<String,Object>	toMap()	See QVariant::toMap()const
static QMap<String,Object>	toMap(Object obj)	Convenient static function for type conversion.
final QModelIndex	toModelIndex()	See QVariant::toModelIndex()const
final QPersistentModelIndex	toPersistentModelIndex()	See QVariant::toPersistentModelIndex()const
final QPoint	toPoint()	See QVariant::toPoint()const
static QPoint	toPoint(Object obj)	Convenient static function for type conversion.
final QPointF	toPointF()	See QVariant::toPointF()const
static QPointF	toPointF(Object obj)	Convenient static function for type conversion.
final QRect	toRect()	See QVariant::toRect()const
static QRect	toRect(Object obj)	Convenient static function for type conversion.
final QRectF	toRectF()	See QVariant::toRectF()const
static QRectF	toRectF(Object obj)	Convenient static function for type conversion.
final QRegularExpression	toRegularExpression()	See QVariant::toRegularExpression()const
static QRegularExpression	toRegularExpression(Object obj)	Convenient static function for type conversion.
final QSize	toSize()	See QVariant::toSize()const
static QSize	toSize(Object obj)	Convenient static function for type conversion.
final QSizeF	toSizeF()	See QVariant::toSizeF()const
static QSizeF	toSizeF(Object obj)	Convenient static function for type conversion.
final String	toString()	See QVariant::toString()const
static String	toString(Object obj)	Convenient static function for type conversion.
final QStringList	toStringList()	See QVariant::toStringList()const
static QStringList	toStringList(Object obj)	Convenient static function for type conversion.
final QTime	toTime()	See QVariant::toTime()const
static QTime	toTime(Object obj)	Convenient static function for type conversion.
final QUrl	toUrl()	See QVariant::toUrl()const
final QUuid	toUuid()	See QVariant::toUuid()const
final QVariant.Type	type()	Deprecated. Use typeId() or metaType().
static int	type(Object obj)	Deprecated, for removal: This API element is subject to removal in a future version.
static <T> Object	typedNullable(T value, Class<T> type, QMetaType ... instantiations)	Returns value if value is not null and NULL otherwise.
final int	typeId()	See QVariant::typeId()const
final String	typeName()	See QVariant::typeName()const
static String	typeToName(int typeId)	Deprecated.
final int	userType()	See QVariant::userType()const
final Object	value()	See QVariant::data()const
final <T> T	value(Class<T> clazz, QMetaType ... instantiations)	See QVariant::value<T>()const
void	writeTo(QDataStream s)	See operator<<(QDataStream&,QVariant)

Methods inherited from class io.qt.QtObject

dispose, isDisposed

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

NULL

public static final Object NULL

Special value representing QVariant(null)

INVALID

public static final Object INVALID

Special value representing invalid QVariant

Constructor Details

QVariant

public QVariant()

See QVariant::QVariant()

QVariant

public QVariant(QBitArray bitarray)

See QVariant::QVariant(QBitArray)

Parameters:

bitarray -

QVariant

public QVariant(QByteArray bytearray)

See QVariant::QVariant(QByteArray)

Parameters:

bytearray -

QVariant

public QVariant(char qchar)

See QVariant::QVariant(QChar)

Parameters:

qchar -

QVariant

public QVariant(QDate date)

See QVariant::QVariant(QDate)

Parameters:

date -

QVariant

public QVariant(QDateTime datetime)

See QVariant::QVariant(QDateTime)

Parameters:

datetime -

QVariant

public QVariant(QEasingCurve easing)

See QVariant::QVariant(QEasingCurve)

Parameters:

easing -

QVariant

public QVariant(Map<String, ? extends Object> hash)

See QVariant::QVariant(QHash<QString,QVariant>)

Parameters:

hash -

QVariant

public QVariant(QJsonArray jsonArray)

See QVariant::QVariant(QJsonArray)

Parameters:

jsonArray -

QVariant

public QVariant(QJsonDocument jsonDocument)

See QVariant::QVariant(QJsonDocument)

Parameters:

jsonDocument -

QVariant

public QVariant(QJsonObject jsonObject)

See QVariant::QVariant(QJsonObject)

Parameters:

jsonObject -

QVariant

public QVariant(QJsonValue jsonValue)

See QVariant::QVariant(QJsonValue)

Parameters:

jsonValue -

QVariant

public QVariant(QLine line)

See QVariant::QVariant(QLine)

Parameters:

line -

QVariant

public QVariant(QLineF line)

See QVariant::QVariant(QLineF)

Parameters:

line -

QVariant

public QVariant(Collection<? extends Object> list)

See QVariant::QVariant(QList<QVariant>)

Parameters:

list -

QVariant

public QVariant(QLocale locale)

See QVariant::QVariant(QLocale)

Parameters:

locale -

QVariant

public QVariant(NavigableMap<String, ? extends Object> map)

See QVariant::QVariant(QMap<QString,QVariant>)

Parameters:

map -

QVariant

public QVariant(QMetaType type,
 Object copy)

See QVariant::QVariant(QMetaType,const void*)

Parameters:

type -

copy -

QVariant

public QVariant(QModelIndex modelIndex)

See QVariant::QVariant(QModelIndex)

Parameters:

modelIndex -

QVariant

public QVariant(QPersistentModelIndex modelIndex)

See QVariant::QVariant(QPersistentModelIndex)

Parameters:

modelIndex -

QVariant

public QVariant(QPoint pt)

See QVariant::QVariant(QPoint)

Parameters:

pt -

QVariant

public QVariant(QPointF pt)

See QVariant::QVariant(QPointF)

Parameters:

pt -

QVariant

public QVariant(QRect rect)

See QVariant::QVariant(QRect)

Parameters:

rect -

QVariant

public QVariant(QRectF rect)

See QVariant::QVariant(QRectF)

Parameters:

rect -

QVariant

public QVariant(QRegularExpression re)

See QVariant::QVariant(QRegularExpression)

Parameters:

re -

QVariant

public QVariant(QSize size)

See QVariant::QVariant(QSize)

Parameters:

size -

QVariant

public QVariant(QSizeF size)

See QVariant::QVariant(QSizeF)

Parameters:

size -

QVariant

public QVariant(String string)

See QVariant::QVariant(QString)

Parameters:

string -

QVariant

public QVariant(QTime time)

See QVariant::QVariant(QTime)

Parameters:

time -

QVariant

public QVariant(QUrl url)

See QVariant::QVariant(QUrl)

Parameters:

url -

QVariant

public QVariant(QUuid uuid)

See QVariant::QVariant(QUuid)

Parameters:

uuid -

QVariant

public QVariant(Object other)

See QVariant::QVariant(QVariant)

CAUTION: argument null will convert to QVariant(nullptr).

Parameters:

other -

QVariant

@Deprecated
public QVariant(QVariant.Type type)

Deprecated.

Use the constructor taking a QMetaType instead.

See QVariant::QVariant(QVariant::Type)

Parameters:

type -

QVariant

public QVariant(boolean b)

See QVariant::QVariant(bool)

Parameters:

b -

QVariant

public QVariant(double d)

See QVariant::QVariant(double)

Parameters:

d -

QVariant

public QVariant(float f)

See QVariant::QVariant(float)

Parameters:

f -

QVariant

public QVariant(int i)

See QVariant::QVariant(int)

Parameters:

i -

QVariant

public QVariant(long ll)

See QVariant::QVariant(qlonglong)

Parameters:

ll -

QVariant

public QVariant(QMetaType.Type type,
 Object copy)

See QVariant::QVariant(QMetaType,const void*)

QVariant

public QVariant(QMetaType.Type metaType)

See QVariant::QVariant(QMetaType,const void*)

QVariant

public QVariant(byte [] bytearray)

Overloaded constructor for QVariant(io.qt.core.QByteArray).

QVariant

public QVariant(QEasingCurve.Type easing)

Overloaded constructor for QVariant(io.qt.core.QEasingCurve).

QVariant

public QVariant(QJsonValue.Type jsonValue)

Overloaded constructor for QVariant(io.qt.core.QJsonValue).

QVariant

public QVariant(QLocale.Language locale)

Overloaded constructor for QVariant(io.qt.core.QLocale).

QVariant

public QVariant(QMetaType type)

Overloaded constructor for QVariant(io.qt.core.QMetaType, java.lang.Object) with copy = null.

Method Details

canConvert

@QtUninvokable
public final boolean canConvert(QMetaType targetType)

See QVariant::canConvert(QMetaType)const

Parameters:

targetType -

Returns:

Since:

This function was introduced in Qt 6.0.

canConvert

@Deprecated
@QtUninvokable
public final boolean canConvert(int targetTypeId)

Deprecated.

See QVariant::canConvert(int)const

Parameters:

targetTypeId -

Returns:

clear

@QtUninvokable
public final void clear()

See QVariant::clear()

convert

@QtUninvokable
public final boolean convert(QMetaType type)

See QVariant::convert(QMetaType)

Parameters:

type -

Returns:

Since:

This function was introduced in Qt 6.0.

convert

@Deprecated
@QtUninvokable
public final boolean convert(int targetTypeId)

Deprecated.

See QVariant::convert(int)

Parameters:

targetTypeId -

Returns:

Since:

This function was introduced in Qt 6.0.

convertTo

@QtUninvokable
protected final Optional<Object> convertTo(int type)

See QVariant::convert(int,void*)const

Parameters:

type -

Returns:

Since:

This function was introduced in Qt 6.0.

create

@QtUninvokable
protected final void create(QMetaType type,
 Object copy)

See QVariant::create(QMetaType,const void*)

Parameters:

type -

copy -

create

@QtUninvokable
protected final void create(int type,
 Object copy)

See QVariant::create(int,const void*)

Parameters:

type -

copy -

value

@QtUninvokable
public final Object value()

See QVariant::data()const

CAUTION: This method returns null in case the variant stores a null pointer and in case it is invalid.

Returns:

detach

@QtUninvokable
public final void detach()

See QVariant::detach()

isDetached

@QtUninvokable
public final boolean isDetached()

See QVariant::isDetached()const

Returns:

isNull

@QtUninvokable
public final boolean isNull()

See QVariant::isNull()const

Returns:

isValid

@QtUninvokable
public final boolean isValid()

See QVariant::isValid()const

Returns:

load

@QtUninvokable
public final void load(QDataStream ds)

See QVariant::load(QDataStream&)

Parameters:

ds -

metaType

@QtUninvokable
public final QMetaType metaType()

See QVariant::metaType()const

Returns:

Since:

This function was introduced in Qt 6.0.

writeTo

@QtUninvokable
public void writeTo(QDataStream s)

See operator<<(QDataStream&,QVariant)

Parameters:

s -

assign

@QtUninvokable
public final void assign(Object other)

See QVariant::operator=(QVariant)

CAUTION null will convert to QVariant(nullptr).

Parameters:

other -

equals

@QtUninvokable
public final boolean equals(QVariant rhs)

See operator==(QVariant,QVariant)

Parameters:

rhs -

Returns:

readFrom

@QtUninvokable
public void readFrom(QDataStream s)

See operator>>(QDataStream&,QVariant&)

Parameters:

s -

save

@QtUninvokable
public final void save(QDataStream ds)

See QVariant::save(QDataStream&)const

Parameters:

ds -

setValue

@QtUninvokable
public final void setValue(Object avalue)

See QVariant::setValue(QVariant)

CAUTION: argument null will convert to QVariant(nullptr).

Parameters:

avalue -

swap

@QtUninvokable
public final void swap(QVariant other)

See QVariant::swap(QVariant&)

Parameters:

other -

toBitArray

@QtUninvokable
public final QBitArray toBitArray()

See QVariant::toBitArray()const

Returns:

toBoolean

@QtUninvokable
public final boolean toBoolean()

See QVariant::toBool()const

Returns:

toByteArray

@QtUninvokable
public final QByteArray toByteArray()

See QVariant::toByteArray()const

Returns:

toChar

@QtUninvokable
public final char toChar()

See QVariant::toChar()const

Returns:

toDate

@QtUninvokable
public final QDate toDate()

See QVariant::toDate()const

Returns:

toDateTime

@QtUninvokable
public final QDateTime toDateTime()

See QVariant::toDateTime()const

Returns:

toDouble

@QtUninvokable
public final double toDouble(boolean[] ok)

See QVariant::toDouble(bool*)const

Parameters:

ok -

Returns:

toEasingCurve

@QtUninvokable
public final QEasingCurve toEasingCurve()

See QVariant::toEasingCurve()const

Returns:

toFloat

@QtUninvokable
public final float toFloat(boolean[] ok)

See QVariant::toFloat(bool*)const

Parameters:

ok -

Returns:

toHash

@QtUninvokable
public final QHash<String,Object> toHash()

See QVariant::toHash()const

Returns:

toInt

@QtUninvokable
public final int toInt(boolean[] ok)

See QVariant::toInt(bool*)const

Parameters:

ok -

Returns:

toJsonArray

@QtUninvokable
public final QJsonArray toJsonArray()

See QVariant::toJsonArray()const

Returns:

toJsonDocument

@QtUninvokable
public final QJsonDocument toJsonDocument()

See QVariant::toJsonDocument()const

Returns:

toJsonObject

@QtUninvokable
public final QJsonObject toJsonObject()

See QVariant::toJsonObject()const

Returns:

toJsonValue

@QtUninvokable
public final QJsonValue toJsonValue()

See QVariant::toJsonValue()const

Returns:

toLine

@QtUninvokable
public final QLine toLine()

See QVariant::toLine()const

Returns:

toLineF

@QtUninvokable
public final QLineF toLineF()

See QVariant::toLineF()const

Returns:

toList

@QtUninvokable
public final QList<Object> toList()

See QVariant::toList()const

Returns:

toLocale

@QtUninvokable
public final QLocale toLocale()

See QVariant::toLocale()const

Returns:

toLong

@QtUninvokable
public final long toLong(boolean[] ok)

See QVariant::toLongLong(bool*)const

Parameters:

ok -

Returns:

toMap

@QtUninvokable
public final QMap<String,Object> toMap()

See QVariant::toMap()const

Returns:

toModelIndex

@QtUninvokable
public final QModelIndex toModelIndex()

See QVariant::toModelIndex()const

Returns:

toPersistentModelIndex

@QtUninvokable
public final QPersistentModelIndex toPersistentModelIndex()

See QVariant::toPersistentModelIndex()const

Returns:

toPoint

@QtUninvokable
public final QPoint toPoint()

See QVariant::toPoint()const

Returns:

toPointF

@QtUninvokable
public final QPointF toPointF()

See QVariant::toPointF()const

Returns:

toRect

@QtUninvokable
public final QRect toRect()

See QVariant::toRect()const

Returns:

toRectF

@QtUninvokable
public final QRectF toRectF()

See QVariant::toRectF()const

Returns:

toRegularExpression

@QtUninvokable
public final QRegularExpression toRegularExpression()

See QVariant::toRegularExpression()const

Returns:

toSize

@QtUninvokable
public final QSize toSize()

See QVariant::toSize()const

Returns:

toSizeF

@QtUninvokable
public final QSizeF toSizeF()

See QVariant::toSizeF()const

Returns:

toString

@QtUninvokable
public final String toString()

See QVariant::toString()const

Overrides:

toString in class Object

Returns:

toStringList

@QtUninvokable
public final QStringList toStringList()

See QVariant::toStringList()const

Returns:

toTime

@QtUninvokable
public final QTime toTime()

See QVariant::toTime()const

Returns:

toUrl

@QtUninvokable
public final QUrl toUrl()

See QVariant::toUrl()const

Returns:

toUuid

@QtUninvokable
public final QUuid toUuid()

See QVariant::toUuid()const

Returns:

type

@Deprecated
@QtUninvokable
public final QVariant.Type type()

Deprecated.

Use typeId() or metaType().

See QVariant::type()const

Returns:

typeId

@QtUninvokable
public final int typeId()

See QVariant::typeId()const

Returns:

typeName

@QtUninvokable
public final String typeName()

See QVariant::typeName()const

Returns:

userType

@QtUninvokable
public final int userType()

See QVariant::userType()const

Returns:

value

@QtUninvokable
public final <T> T value(Class<T> clazz,
 QMetaType ... instantiations)

See QVariant::value<T>()const

Parameters:

clazz - target Java class the variant is converted into

instantiations - instantiations only required for generic container types

Returns:

compare

public static int compare(QVariant lhs,
 QVariant rhs)

See QVariant::compare(QVariant,QVariant)

Parameters:

lhs -

rhs -

Returns:

Since:

This function was introduced in Qt 6.0.

fromMetaType

public static QVariant fromMetaType(QMetaType type,
 Object copy)

See QVariant::fromMetaType(QMetaType,const void*)

Parameters:

type -

copy -

Returns:

Since:

This function was introduced in Qt 6.7.

fromValue

public static <T> QVariant fromValue(T value)

See QVariant::fromValue<T>(T)

CAUTION: argument null will convert to QVariant(nullptr).

Parameters:

value -

Returns:

nameToType

@Deprecated
public static QVariant.Type nameToType(String name)

Deprecated.

See QVariant::nameToType(const char*)

Parameters:

name -

Returns:

typeToName

@Deprecated
public static String typeToName(int typeId)

Deprecated.

See QVariant::typeToName(int)

Parameters:

typeId -

Returns:

equals

@QtUninvokable
public boolean equals(Object other)

See operator==(QVariant,QVariant)

Overrides:

equals in class QtObject

Parameters:

other - other object

Returns:

true if the native counterpart of the two objects are one and the same.

hashCode

@QtUninvokable
public int hashCode()

Returns the objects's hash code computed by qHash(QVariant).

Overrides:

hashCode in class Object

nullVariant

@Deprecated(forRemoval=true,
            since="6.8.2")
public static QVariant nullVariant()

Deprecated, for removal: This API element is subject to removal in a future version.

Use QVariant.NULL instead

Create a variant for the native nullptr type.

nullable

public static Object nullable(Object value)

Returns value if value is not null and NULL otherwise.

Parameters:

value -

Returns:

value or NULL

typedNullable

public static <T> Object typedNullable(T value,
 Class<T> type,
 QMetaType ... instantiations)

Returns value if value is not null and NULL otherwise.

Parameters:

value -

type - Java type of the value

instantiations - only required for generic container types

Returns:

value or NULL

type

@Deprecated(forRemoval=true,
            since="6.8.2")
public static int type(Object obj)

Deprecated, for removal: This API element is subject to removal in a future version.

Use QMetaType.fromObject(Object) instead.

convert

public static <T> T convert(Object obj,
 Class<T> cl,
 QMetaType ... instantiations)

Convenient static function for type conversion.

isValid

@Deprecated(forRemoval=true,
            since="6.8.2")
public static boolean isValid(Object variant)

Deprecated, for removal: This API element is subject to removal in a future version.

Use isValid() instead.

canConvertToEnum

public static <E extends Enum<?>> boolean canConvertToEnum(Class<E> enumClass,
 Object obj)

Convenient static function for type conversion.

canConvertToFlags

public static boolean canConvertToFlags(Object obj)

Convenient static function for type conversion.

toEnum

public static <E extends Enum<?>> E toEnum(Class<E> enumClass,
 Object obj)

Convenient static function for type conversion.

toEnum

public static <E extends Enum<?>> E toEnum(Class<E> enumClass,
 Object obj,
 boolean [] ok)

Convenient static function for type conversion.

toFlags

public static <F extends QFlags<?>> F toFlags(Class<F> flagsClass,
 Object obj)

Convenient static function for type conversion.

toFlags

public static <F extends QFlags<?>> F toFlags(Class<F> flagsClass,
 Object obj,
 boolean [] ok)

Convenient static function for type conversion.

canConvertToDouble

public static boolean canConvertToDouble(Object obj)

Convenient static function for type conversion.

toDouble

public static double toDouble(Object obj)

Convenient static function for type conversion.

toDouble

public static double toDouble(Object obj,
 boolean [] ok)

Convenient static function for type conversion.

canConvertToFloat

public static boolean canConvertToFloat(Object obj)

Convenient static function for type conversion.

toFloat

public static float toFloat(Object obj)

Convenient static function for type conversion.

toFloat

public static float toFloat(Object obj,
 boolean [] ok)

Convenient static function for type conversion.

canConvertToString

public static boolean canConvertToString(Object obj)

Convenient static function for type conversion.

toString

public static String toString(Object obj)

Convenient static function for type conversion.

canConvertToBoolean

public static boolean canConvertToBoolean(Object obj)

Convenient static function for type conversion.

toBoolean

public static boolean toBoolean(Object obj)

Convenient static function for type conversion.

canConvertToByteArray

public static boolean canConvertToByteArray(Object obj)

Convenient static function for type conversion.

toByteArray

public static QByteArray toByteArray(Object obj)

Convenient static function for type conversion.

canConvertToBitArray

public static boolean canConvertToBitArray(Object obj)

Convenient static function for type conversion.

toBitArray

public static QBitArray toBitArray(Object obj)

Convenient static function for type conversion.

canConvertToChar

public static boolean canConvertToChar(Object obj)

Convenient static function for type conversion.

toChar

public static char toChar(Object obj)

Convenient static function for type conversion.

canConvertToDate

public static boolean canConvertToDate(Object obj)

Convenient static function for type conversion.

toDate

public static QDate toDate(Object obj)

Convenient static function for type conversion.

canConvertToDateTime

public static boolean canConvertToDateTime(Object obj)

Convenient static function for type conversion.

toDateTime

public static QDateTime toDateTime(Object obj)

Convenient static function for type conversion.

canConvertToInt

public static boolean canConvertToInt(Object obj)

Convenient static function for type conversion.

toInt

public static int toInt(Object obj)

Convenient static function for type conversion.

toInt

public static int toInt(Object obj,
 boolean [] ok)

Convenient static function for type conversion.

canConvertToLine

public static boolean canConvertToLine(Object obj)

Convenient static function for type conversion.

toLine

public static QLine toLine(Object obj)

Convenient static function for type conversion.

canConvertToLineF

public static boolean canConvertToLineF(Object obj)

Convenient static function for type conversion.

toLineF

public static QLineF toLineF(Object obj)

Convenient static function for type conversion.

canConvertToLocale

public static boolean canConvertToLocale(Object obj)

Convenient static function for type conversion.

toLocale

public static QLocale toLocale(Object obj)

Convenient static function for type conversion.

canConvertToPoint

public static boolean canConvertToPoint(Object obj)

Convenient static function for type conversion.

toPoint

public static QPoint toPoint(Object obj)

Convenient static function for type conversion.

canConvertToPointF

public static boolean canConvertToPointF(Object obj)

Convenient static function for type conversion.

toPointF

public static QPointF toPointF(Object obj)

Convenient static function for type conversion.

canConvertToRect

public static boolean canConvertToRect(Object obj)

Convenient static function for type conversion.

toRect

public static QRect toRect(Object obj)

Convenient static function for type conversion.

canConvertToRectF

public static boolean canConvertToRectF(Object obj)

Convenient static function for type conversion.

toRectF

public static QRectF toRectF(Object obj)

Convenient static function for type conversion.

canConvertToRegularExpression

public static boolean canConvertToRegularExpression(Object obj)

Convenient static function for type conversion.

toRegularExpression

public static QRegularExpression toRegularExpression(Object obj)

Convenient static function for type conversion.

canConvertToSize

public static boolean canConvertToSize(Object obj)

Convenient static function for type conversion.

toSize

public static QSize toSize(Object obj)

Convenient static function for type conversion.

canConvertToSizeF

public static boolean canConvertToSizeF(Object obj)

Convenient static function for type conversion.

toSizeF

public static QSizeF toSizeF(Object obj)

Convenient static function for type conversion.

canConvertToTime

public static boolean canConvertToTime(Object obj)

Convenient static function for type conversion.

toTime

public static QTime toTime(Object obj)

Convenient static function for type conversion.

canConvertToLong

public static boolean canConvertToLong(Object obj)

Convenient static function for type conversion.

toLong

public static long toLong(Object obj,
 boolean [] ok)

Convenient static function for type conversion.

canConvertToList

public static boolean canConvertToList(Object obj)

Convenient static function for type conversion.

toList

public static QList<Object> toList(Object obj)

Convenient static function for type conversion.

canConvertToStringList

public static boolean canConvertToStringList(Object obj)

Convenient static function for type conversion.

toStringList

public static QStringList toStringList(Object obj)

Convenient static function for type conversion.

canConvertToCollection

public static boolean canConvertToCollection(Object obj)

Convenient static function for type conversion.

toCollection

public static Collection<?> toCollection(Object obj)

Convenient static function for type conversion.

canConvertToMap

public static boolean canConvertToMap(Object obj)

Convenient static function for type conversion.

toHash

public static QHash<String,Object> toHash(Object obj)

Convenient static function for type conversion.

toMap

public static QMap<String,Object> toMap(Object obj)

Convenient static function for type conversion.

qvariant_cast

@QtUninvokable
public static <T extends QtObjectInterface> T qvariant_cast(Object object,
 Class<T> targetType,
 QMetaType ... instantiations)

See qvariant_cast<T>(QVariant)

saveObject

@Deprecated(forRemoval=true,
            since="6.8.2")
public static void saveObject(QDataStream stream,
 Object object)

Deprecated, for removal: This API element is subject to removal in a future version.

Use QDataStream.writeObject(Object) instead.

saveObject

@Deprecated(forRemoval=true,
            since="6.8.2")
public static void saveObject(QDataStream stream,
 Object object,
 Boolean [] ok)

Deprecated, for removal: This API element is subject to removal in a future version.

Use QDataStream.writeObject(Object) instead.

loadObject

@Deprecated(forRemoval=true,
            since="6.8.2")
public static Object loadObject(QDataStream stream)

Deprecated, for removal: This API element is subject to removal in a future version.

Use QDataStream.readObject(Class, QMetaType...) instead.

loadObject

@Deprecated(forRemoval=true,
            since="6.8.2")
public static Object loadObject(QDataStream stream,
 Boolean [] ok)

Deprecated, for removal: This API element is subject to removal in a future version.

Use QDataStream.readObject(Class, QMetaType...) instead.

convert

public static Object convert(Object obj,
 QMetaType metaType)

Convenient static function for type conversion.

convert

public static Object convert(Object obj,
 QMetaType metaType,
 boolean [] ok)

Convenient static function for type conversion.

convert

public static Object convert(Object obj,
 int metaType)

Convenient static function for type conversion.

convert

public static Object convert(Object obj,
 int metaType,
 boolean [] ok)

Convenient static function for type conversion.

canConvert

@QtUninvokable
public final boolean canConvert(QMetaType.Type targetType)

See QVariant::canConvert(QMetaType)const

convert

public static Object convert(Object obj,
 QMetaType.Type type)

Convenient static function for type conversion.

convert

public static Object convert(Object obj,
 QMetaType.Type type,
 boolean [] ok)

Convenient static function for type conversion.

canConvert

@Deprecated(forRemoval=true,
            since="6.8.2")
@QtUninvokable
public final boolean canConvert(QVariant.Type targetType)

Deprecated, for removal: This API element is subject to removal in a future version.

See QVariant::canConvert(QMetaType)const

canConvert

public static boolean canConvert(Object obj,
 QMetaType type)

Convenient static function for type conversion.

convert

public final boolean convert(Class<?> cl,
 QMetaType ... instantiations)

See QVariant::convert(QMetaType)

canConvert

public static boolean canConvert(Object obj,
 QMetaType.Type type)

Convenient static function for type conversion.

canConvert

@Deprecated(forRemoval=true,
            since="6.8.2")
public static boolean canConvert(Object obj,
 int targetType)

Deprecated, for removal: This API element is subject to removal in a future version.

Convenient static function for type conversion.

clone

@QtUninvokable
public QVariant clone()

Creates and returns a copy of this object.

See QVariant::QVariant(QVariant)

Overrides:

clone in class Object

assign

@QtUninvokable
public final void assign(QVariant other)

Overloaded function for assign(java.lang.Object).

toDouble

@QtUninvokable
public final double toDouble()

Overloaded function for toDouble(boolean[]) with ok = null.

toFloat

@QtUninvokable
public final float toFloat()

Overloaded function for toFloat(boolean[]) with ok = null.

toInt

@QtUninvokable
public final int toInt()

Overloaded function for toInt(boolean[]) with ok = null.

toLong

@QtUninvokable
public final long toLong()

Overloaded function for toLong(boolean[]) with ok = null.

fromMetaType

public static QVariant fromMetaType(QMetaType type)

Overloaded function for fromMetaType(io.qt.core.QMetaType, java.lang.Object) with copy = null.

fromMetaType

public static QVariant fromMetaType(QMetaType.Type type)

Overloaded function for fromMetaType(io.qt.core.QMetaType.Type, java.lang.Object) with copy = null.

fromMetaType

public static QVariant fromMetaType(QMetaType.Type type,
 Object copy)

Overloaded function for fromMetaType(io.qt.core.QMetaType, java.lang.Object).