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=== Introduction ===

This example requires a working configuration of [[MADDE]]. At least one target has to be installed and set as 'default'. The basic steps to do this are described in this [[MADDE/Configuration | guide]]. If you want to run the example on the device, please install the Qt Gui library. This example will show how to:

* start a project in MADDE 
* use template-projects for developing
* compile a project in MADDE
* build a package

=== Templates ===

Templates are used in MADDE to simplify the set up of the basic skeleton for a project. The following command shows the list of available templates:

mad pscreate -l

:The command gives following output:

TEMPLATE NAME    TYPE     DESCRIPTION
 empty            prog     Empty project
 lib_simple       lib      Simple example for C/C++ libraries
 qt_lib_simple    qtlib    Simple example for Qt libraries
 qt_simple        qtprog   Simple example for Qt programs
 simple           prog     Simple example for C/C++ programs

=== Start the project ===

The goal of this example is to create a simple Qt application. Therefore we can use the "qt_simple" template out of the list. The following command creates a project using the "qt_simple" template and named as "qthello"

mad pscreate -t qt_simple qthello

Afterwards the skeleton is created with the following subdirectories:

* '''src''':qtmain.cpp - a simple hello world in Qt
* '''debian''':configuration files, which are needed to create the package later on
* '''uis''':empty folder for ui files, which are created with Qt Designer.

Further it contains a file named "qtprog.pro", which is a [http://doc.trolltech.com/4.5/qmake-project-files.html project file], needed to create the Makefile with qmake.

/*
 * Created: 05/25/09-15:51:27
 * Author: username
 */
 #include <QApplication>
 #include <QPushButton>
 
 int main(int argc, char *argv[])
 {
        QApplication app(argc, argv);
 
        QPushButton hello("Hello world!");
 
        hello.show();
        return app.exec();
 }

=== Compile & build ===

The following steps describe how to compile and build the project.

1. Create the Makefile:

cd qthello
 mad qmake

2. Compile the project.

mad make

:Now the executable program qthello is created in the qthello/build directory.

3. Create a debian package:

mad dpkg-buildpackage

:This command will build the project and make a debian package called qthello_0.1_armel.deb. The debian package will be created in the projects' parent directory.

[[Category:Development]]
[[Category:Qt]]

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Editing MADDE/Qt example

@@ Line 28: / Line 28: @@
 === Start the project ===
-The goal of this example is to create a simple Qt application. Therefore we can use the "qt_simple" template out of the list. The following command creates a project using the "qt_simple" template and named as "qthello" (In Windows MADDE Terminal this template seems to be qt-simple)
+The goal of this example is to create a simple Qt application. Therefore we can use the "qt_simple" template out of the list. The following command creates a project using the "qt_simple" template and named as "qthello"
   mad pscreate -t qt_simple qthello