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  • Application Development with Qt Creator - Second Edition
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Application Development with Qt Creator - Second Edition

Application Development with Qt Creator - Second Edition

4 (25)
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Application Development with Qt Creator - Second Edition

Application Development with Qt Creator - Second Edition

4 (25)

Overview of this book

This book is great for developers who are new to Qt and Qt Creator and who are interested in harnessing the power of Qt for cross-platform development. If you have basic experience programming in C++, you have what it takes to create engaging cross-platform applications using Qt and Qt Creator!
Table of Contents (15 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Getting Started with Qt Creator
1. Getting Started with Qt Creator
Downloading Qt and Qt Creator
Finding your way around Qt Creator
Your first application – Hello World
Hello World using the QtGui library
Hello World using Qt Quick
Summary
2
2. Building Applications with Qt Creator
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2. Building Applications with Qt Creator
Getting started – our sample library
Learning the landscape – the Build menu and the .pro files
Linking against our sample library
Getting lost and found again – debugging
The Projects pane and building your project
A review – running and debugging your application
Summary
3
3. Designing Your Application with Qt Designer
3. Designing Your Application with Qt Designer
Code interlude – signals and slots
Creating forms in Qt Designer
Instantiating forms, message boxes, and dialogs in your application
Wiring the Qt Widgets' application logic
Code interlude – Qt Quick and the QML syntax
Creating Qt Quick applications in Qt Designer
Summary
4
4. Qt Foundations
4. Qt Foundations
Representing data using Qt's core classes
Multithreading in Qt
Accessing files using Qt
Accessing HTTP resources using Qt
Parsing XML using Qt
Summary
5
5. Developing Applications with Qt Widgets
5. Developing Applications with Qt Widgets
Your main application and its menus
Simple Qt Widgets
Managing the widget layout with layouts
Model-view-controller programming with Qt
Rendering web content with QWebView
Summary
6
6. Drawing with Qt
6. Drawing with Qt
What we need to start drawing with Qt
Drawing with QPainter on QPaintDevice instances
Drawing off screen
Creating custom widgets
The Graphics View Framework
Summary
7
7. Doing More with Qt Quick
7. Doing More with Qt Quick
The fundamental concepts of Qt Quick
States and transitions in Qt Quick
Integrating Qt Quick and C++
Putting it all together – an image gallery application
Summary
8
8. Multimedia and Qt Quick
8. Multimedia and Qt Quick
Multimedia in Qt
Playing audio clips and sound effects
Playing video clips
Accessing the camera
Summary
9
9. Sensors and Qt Quick
9. Sensors and Qt Quick
Sensors in Qt
Determining the device location
Obtaining a device's position – a simple example
Summary
10
10. Localizing Your Application with Qt Linguist
10. Localizing Your Application with Qt Linguist
Understanding the task of localization
Marking strings for localization
Localizing your application with QLinguist
Including localized strings in your application
Localizing special parameters – currencies and dates with QLocale
Summary
11
11. Optimizing Performance with Qt Creator
11. Optimizing Performance with Qt Creator
The QML performance analyzer
Finding memory leaks with Valgrind
Summary
12
12. Developing Mobile Applications with Qt Creator
12. Developing Mobile Applications with Qt Creator
A mobile software development primer
Setting up Qt Creator for Android
Supporting other mobile platforms
Summary
13
13. Qt Tips and Tricks
13. Qt Tips and Tricks
Writing console applications with Qt Creator
Integrating Qt Creator with version control systems
Configuring the coding style and coding format options
Building projects from the command line
Setting the Qt Quick window display options
Learning more about Qt
Debugging Qt's signal-slot connections
Summary
14
Index
Index

Linking against our sample library

Now, let's make an application that depends on our library. Our application will call the factorial function in the library, statically linking to the library in order to access the factorial function. To accomplish this, you need to perform the following steps:

  1. Select Close All Projects and Editors from the File menu.
  2. Choose New File or Project… from the File menu and create a new Qt console application called MathFunctionsTest using the wizard.
  3. Right-click on MathFunctionsTest in the Project pane and click on Add Library.... You can now choose a library in your build tree, a library outside your build tree, an external library on your system such as the Unix math library, fftmpeg, or another library that you've created. Select External Library and click on Next.
  4. Browse the library file that was built in the previous section by clicking on Browse, next to the line labelled Library file. It'll be in a folder named something such as build...
End of Section 4
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