All Namespaces

This is a list of the main namespaces in Qt.

QBinaryJson	Contains functions for converting QJsonDocument to and from JSON binary format
QBluetooth	Classes and functions related to Bluetooth
QColorConstants	Contains QColor predefined constants
QDBus	Contains miscellaneous identifiers used throughout the Qt D-Bus module
QGeoJson	Contains functions to import and export geolocated information from and to GeoJson files
QLocation	Contains miscellaneous identifiers used throughout the QtLocation module
QMqtt	Contains miscellaneous identifiers used throughout the Qt MQTT module
QNativeInterface	Contains the available native interfaces
QOpcUa	Contains miscellaneous identifiers used throughout the Qt OPC UA library
QOpcUa::NodeIds	This namespace contains enums with known node ids
QPasswordDigestor	Contains functions which you can use to generate hashes or keys
QQmlSA	Provides tools for static analysis on QML programs
QQuickOpenGLUtils	Contains utilities for Qt Quick when used with an OpenGL backend
QQuickTest	Contains all the functions and macros related to Qt Quick Test
QScxmlExecutableContent	Contains various types used to interpret executable content in state machines
QSql	Contains miscellaneous identifiers used throughout the Qt SQL module
QSsl	Declares enums common to all SSL classes in Qt Network
QTest	Contains all the functions and declarations that are related to Qt Test
QWebEngineGlobalSettings	Holds global settings of the web engine
QWebSocketProtocol	Contains constants related to the WebSocket standard
Qt	Contains miscellaneous identifiers used throughout the Qt library
Qt3DAnimation	Contains classes from the Qt3DAnimation module
Qt3DCore	Contains classes that are the foundation for Qt 3D simulation framework, as well as classes that provide the ability to render using the Qt 3D framework
Qt3DCore::Quick	Contains classes used for implementing QML functionality into Qt3D applications
Qt3DExtras	Contains classes from the Qt3DExtras module
Qt3DInput	Contains classes that enable user input
Qt3DLogic	Contains classes that enable frame synchronization
Qt3DLogic::Logic	Used to import and use the module's QML types
Qt3DRender	Contains classes that enable 2D and 3D rendering
Qt3DRender::Render	Namespace used for accessing the classes Renderer and QRenderPlugin
Qt::Literals	Inline namespace declares literal operators for Qt types
Qt::Literals::StringLiterals	Declares string literal operators for Qt types
QtAndroidPrivate	Miscellaneous functions to aid Android development
QtAudio	Contains enums used by the audio classes
QtCanBus	Some commons enums that are used in the CAN bus handling part of the QtSerialPort module
QtCoap	Contains miscellaneous identifiers used throughout the Qt CoAP module
QtConcurrent	High-level APIs that make it possible to write multi-threaded programs without using low-level threading primitives
QtFuture	Contains miscellaneous identifiers used by the QFuture class
QtLiterals	Declares literal operators for Qt types
QtProtobuf	Contains type aliases and classes needed to support Qt Protobuf
QtRemoteObjects	Contains identifiers used in the Remote Objects module, as well as some functions used from code generated by the Replica Compiler (repc)
QtSvg	Contains types used by the svg classes
QtVideo	Enumerations for camera and video functionality
QtVirtualKeyboard	Contains enums used by the virtual keyboard classes
QtWebEngineQuick	Helper functions for the Qt WebEngine (Qt Quick) module
QtWebView	Functions that makes it easier to set-up and use the WebView

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