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.@param type

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.

static boolean

canConvert(Object obj, int targetType)

Deprecated.

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 b)

See operator==(QVariant,QVariant)

boolean

equals(Object other)

See operator==(QVariant,QVariant)

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.

final void

load(QDataStream ds)

See QVariant::load(QDataStream&)

static Object

loadObject(QDataStream stream)

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

static Object

loadObject(QDataStream stream, Boolean [] ok)

Deprecated.
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.
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.
Use QDataStream.writeObject(Object) instead.

static void

saveObject(QDataStream stream, Object object, Boolean [] ok)

Deprecated.
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().@return

static int

type(Object obj)

Deprecated.

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.@param type
  
  See QVariant::QVariant(QVariant::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 b)
  
  See operator==(QVariant,QVariant)
  
  Parameters:
  
  b -
  
  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().@return
  
  See QVariant::type()const
- 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.
- 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 public static QVariant nullVariant()
  
  Deprecated.
  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 public static int type(Object obj)
  
  Deprecated.
  
  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 public static boolean isValid(Object variant)
  
  Deprecated.
  
  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 public static void saveObject(QDataStream stream, Object object)
  
  Deprecated.
  Use QDataStream.writeObject(Object) instead.
- saveObject
  
  @Deprecated public static void saveObject(QDataStream stream, Object object, Boolean [] ok)
  
  Deprecated.
  Use QDataStream.writeObject(Object) instead.
- loadObject
  
  @Deprecated public static Object loadObject(QDataStream stream)
  
  Deprecated.
  Use QDataStream.readObject(Class, QMetaType...) instead.
- loadObject
  
  @Deprecated public static Object loadObject(QDataStream stream, Boolean [] ok)
  
  Deprecated.
  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 @QtUninvokable public final boolean canConvert(QVariant.Type targetType)
  
  Deprecated.
  
  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 public static boolean canConvert(Object obj, int targetType)
  
  Deprecated.
  
  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.

Class QVariant

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class io.qt.QtObject

Methods inherited from class java.lang.Object

Field Details

NULL

INVALID

Constructor Details

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

QVariant

Method Details

canConvert

canConvert

clear

convert

convert

convertTo

create

create

value

detach

isDetached

isNull

isValid

load

metaType

writeTo

assign

equals

readFrom

save

setValue

swap

toBitArray