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Valdomiro Morais
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Most applications will need to communicate with other services or devices at some point, or at least save settings on the host computer. These concepts are covered in this module. After introducing the generic concept behind devices, short examples show how to use files. Afterwards, the module covers networking and its representation in Qt. In addition to providing classes for handling low level sockets, network managers simplify handling web service requests and responses like for the HTTP protocol. At the end, a short section explains the basics of different methods of parsing XML in Qt, including DOM trees, SAX, pull parsing and XQuery/XPath. A section about internationalization demonstrates the process step-by-step, showing all required components to make your application multi-lingual.
06 - Qt Communication
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This module explains several additional important concepts. These include properties of QObjects, data types, QString and various list types. Special classes in Qt provide even more convenient APIs if you want to save settings in the right way for the target platform. At the end, a guide walks you through what you need to know about embedding files and resources into your application.
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Symbio, a leading software foundry, provides software product engineering and R&D co-creation services to the world's technology innovators. With offices in Finland, Sweden, USA and China, Symbio serves such world-leading companies like China Mobile, Google, Nokia, PayPal and ST-Ericsson. www.symbio.com.
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Continuing where module 2 left off, this part of the course explains signals and slots in more detail and tells you how to extend functionality of existing widgets by subclassing them. In real applications, widgets are often used in dialogs or inside the main window, which is a container for widgets and by default supports menus, toolbars and actions. These topics are all demonstrated via small examples.
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Most applications will need to communicate with other services or devices at some point, or at least save settings on the host computer. These concepts are covered in this module. After introducing the generic concept behind devices, short examples show how to use files. Afterwards, the module covers networking and its representation in Qt. In addition to providing classes for handling low level sockets, network managers simplify handling web service requests and responses like for the HTTP protocol. At the end, a short section explains the basics of different methods of parsing XML in Qt, including DOM trees, SAX, pull parsing and XQuery/XPath. A section about internationalization demonstrates the process step-by-step, showing all required components to make your application multi-lingual.
06 - Qt Communication
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Andreas Jakl
This module explains several additional important concepts. These include properties of QObjects, data types, QString and various list types. Special classes in Qt provide even more convenient APIs if you want to save settings in the right way for the target platform. At the end, a guide walks you through what you need to know about embedding files and resources into your application.
04 - Qt Data
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Andreas Jakl
Symbio, a leading software foundry, provides software product engineering and R&D co-creation services to the world's technology innovators. With offices in Finland, Sweden, USA and China, Symbio serves such world-leading companies like China Mobile, Google, Nokia, PayPal and ST-Ericsson. www.symbio.com.
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Continuing where module 2 left off, this part of the course explains signals and slots in more detail and tells you how to extend functionality of existing widgets by subclassing them. In real applications, widgets are often used in dialogs or inside the main window, which is a container for widgets and by default supports menus, toolbars and actions. These topics are all demonstrated via small examples.
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Qt Quick's support for network transparency makes it possible to serve an application's user interface and logic over the network. This allows application developers to adopt fast web-like release cycles, but it does require some planning ahead. The presentation will highlight some benefits of serving QML applications over the network, give an overview of QML's network transparency support and illustrate how to build and serve QML applications. The presentation will also address some of the challenges encountered in a real world application deployment.
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Qt Quick's support for network transparency makes it possible to serve an application's user interface and logic over the network. This allows application developers to adopt fast web-like release cycles, but it does require some planning ahead. The presentation will highlight some benefits of serving QML applications over the network, give an overview of QML's network transparency support and illustrate how to build and serve QML applications. The presentation will also address some of the challenges encountered in a real world application deployment.
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There is ongoing confusion, and some contention, over the right way to use the QThread class. Part of the confusion comes from the uniqueness of QThread, which is significantly different from other threading classes. There are two valid patterns of QThread use, and each pattern is best suited for different use cases. Errors will arise when mixing these two patterns, or applying them inappropriately. This presentation will look at different patterns of threading in general, and examine in detail the two usage patterns for QThread. This talk will also cover how QThread works inside, how to communicate between threads, provide examples, and point out the pitfalls to avoid.
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