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Cross-Platform Development with Qt 6 and Modern C++

You're reading from Cross-Platform Development with Qt 6 and Modern C++

Product type Book

Published in Jun 2021

Publisher Packt

ISBN-13 9781800204584

Pages 442 pages

Edition 1st Edition

Languages

Concepts

GUI Application Development

Author (1):

Nibedit Dey

Table of Contents (17) Chapters

Preface

1. Section 1: The Basics

2. Chapter 1: Introduction to Qt 6

3. Chapter 2: Introduction to Qt Creator

4. Chapter 3: GUI Design Using Qt Widgets

5. Chapter 4: Qt Quick and QML

6. Section 2: Cross-Platform Development

7. Chapter 5: Cross-Platform Development

8. Section 3: Advanced Programming, Debugging, and Deployment

9. Chapter 6: Signals and Slots

10. Chapter 7: Model View Programming

11. Chapter 8: Graphics and Animations

12. Chapter 9: Testing and Debugging

13. Chapter 10: Deploying Qt Applications

14. Chapter 11: Internationalization

15. Chapter 12: Performance Considerations

16. Other Books You May Enjoy

Debugging a Qt Quick application

In the last section, we discussed how to debug your C++ code. But you are probably still wondering how to debug code written in QML. Qt also has a provision to debug your QML code. When you are developing a Qt Quick application, there are a lot of options to troubleshoot issues. In this section, we will discuss various debugging techniques related to QML and how to use them.

Just like the QDebug class, there are different console APIs that are available for debugging in QML. They are as follows:

Log: This is used to print general messages.
Assert: This is used to verify an expression.
Timer: This is used to measure the time spent between calls.
Trace: This is used to print a stack trace of a JavaScript execution.
Count: This is used to find the number of calls made to a function.
Profile: This is used to profile QML and JavaScript code.
Exception: It is used to print error messages.

The Console API provides...

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Authors (1)

Nibedit Dey

Nibedit Dey is a software engineer turned serial entrepreneur with over a decade of experience in building complex software-based products with amazing user interfaces. Before starting his entrepreneurial journey, he worked for Larsen and Toubro and Tektronix in different R&D roles. He holds a bachelor's degree in biomedical engineering and a master's degree in digital design and embedded systems. Specializing in Qt and embedded technologies, his current role involves end-to-end ownership of products right from architecture to delivery. Currently, he manages two technology-driven product startups named ibrum technologies and AIDIA Health. He is a tech-savvy developer who is passionate about embracing new technologies.

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