- Qt 6.6
- All Overviews
- Qt 6.6.2 Reference Documentation

# All Overviews

## Overviews

Introduction to Qt

## Programming Languages

You can develop Qt applications using one or a combination of the following languages:

Qt Languages

- C++
- QML
- Python
- JavaScript

### QML and C++

- Best Practices for QML and Qt Quick
- Important Concepts In Qt Quick - Positioning
- Overview - QML and C++ Integration
- QML Applications
- Scope and Naming Resolution
- Use Case - Positioners and Layouts In QML

## Platforms

Develop Qt applications on macOS, Linux, and Windows desktop platforms. Qt is platform-independent, which means you can compile same code base for other target platforms.

- Calling Qt Functions From Unix Signal Handlers
- Configure an Embedded Linux Device
- Desktop Integration
- Mobile Development
- Platform Integration
- Qt for Android: How It Works
- Testing and Debugging
- Wayland and Qt

## Basics

Learn the Qt basics that define the foundation of Qt.

- Core Internals
- Exception Safety
- Signals & Slots
- The Meta-Object System
- The Property System

## UI

Use the Qt Quick and Qt Widget UI technology. Qt Quick interfaces are fluid, dynamic, and are best on touch interfaces. Qt Widgets are for creating complex desktop applications. You can create Qt Quick and Qt Widgets interfaces with the target platform's native look and feel.

- Rich Text Processing
- User Interfaces

## Graphics and Multimedia

Display graphical elements and handle multimedia content. Qt abstracts the target platforms' underlying graphics APIs so that you can focus on writing the application code. Play back audio and video files and render them on screen, as well as record audio and video from the system's cameras and microphones.

- Audio Overview
- Camera Overview
- Graphics
- Multimedia Overview
- Qt Charts Overview
- Spatial Audio Overview
- Video Overview

## Data processing and I/O

Retrieve and store data in different formats.

- CBOR Support in Qt
- Data Input Output
- JSON Support in Qt
- XML Processing
- XML Processing

## Networking and Connectivity

Develop applications that communicate with Web services and exchange data (JSON or CBOR) with applications on other devices.

In addition, Qt applications can use remote objects or gRPC and protobuf to communicate with service endpoints.

- Inter-Process Communication
- Networking and Connectivity
- Qt CoAP Overview
- Qt D-Bus Overview
- Qt MQTT Overview
- Qt NFC Overview

## Web Technologies

Embed content from the World Wide Web into your Qt applications on platforms that do not have a native web engine.

Alternatively, you can create a web channel for peer-to-peer communication between a server and a client.

- Deploying Qt WebEngine Applications
- Qt WebEngine Features
- Qt WebEngine Overview
- Qt WebSockets Overview

## Tools

Qt installations contain Qt libraries, examples, documentation, and the necessary development tools, such as the Qt Creator integrated development environment (IDE) and Qt Design Studio for developing Qt Quick Applications.

- Development Tools
- QML Language Server

## Accessibility

Write accessible software by letting users scale the UI, change font size and color contrast, use the keyboard for navigation, have UI text read aloud with a synthesized voice, and change the UI language.

- Accessibility
- Internationalization with Qt
- Scalability

## Positioning

- Positioning (QML)