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Mastering Qt  5

Mastering Qt 5

By : Guillaume Lazar, Robin Penea
3.1 (8)
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Mastering Qt  5

Mastering Qt 5

3.1 (8)
By: Guillaume Lazar, Robin Penea

Overview of this book

Qt 5.11 is an app development framework that provides a great user experience and develops full capability applications with Qt Widgets, QML, and even Qt 3D. Whether you're building GUI prototypes or fully-fledged cross-platform GUI applications with a native look and feel, Mastering Qt 5 is your fastest, easiest, and most powerful solution. This book addresses various challenges and teaches you to successfully develop cross-platform applications using the Qt framework, with the help of well-organized projects. Working through this book, you will gain a better understanding of the Qt framework, as well as the tools required to resolve serious issues, such as linking, debugging, and multithreading. You'll start off your journey by discovering the new Qt 5.11 features, soon followed by exploring different platforms and learning to tame them. In addition to this, you'll interact with a gamepad using Qt Gamepad. Each chapter is a logical step for you to complete in order to master Qt. By the end of this book, you'll have created an application that has been tested and is ready to be shipped.
Table of Contents (16 chapters)
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Sending and receiving HTTP data

Requesting information from an HTTP server is a common task. Again, the Qt folks have prepared some useful classes to make it easy for us. To achieve this, we will rely on three classes, as follows:

  • QNetworkAccessManager: This class allows your application to send requests and receive replies
  • QNetworkRequest: This class holds the request to be sent with all the information (headers, URLs, data, and so on)
  • QNetworkReply: This class contains the result of a QNetworkRequest class, with the headers and the data

The QNetworkAccessManager class is the pivot point of the whole Qt HTTP API. It is built around a single QNetworkAccessManager object that holds the configuration of the client, proxy settings, cache information, and much more. This class is designed to be asynchronous, so you do not need to worry about blocking your current thread.

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