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{{MADDE}}
 
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===Introduction===
===Introduction===
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This guide explains how to take a simple [[Qt-Maemo|Qt]] application and compile it so that it deploys to the [[Nokia N900|N900]] with an Icon. It is supposed to be step by step guide on how to take a (simple) Qt app and package and deploy it with an Icon using [[MADDE]].
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This guide explains how to take a simple Qt application and compile it so that it deploys to the N900 with an Icon.
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=== Prerequisites ===
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The project I have is simple, 1 window called mainwindow.
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'''Note:''' As a convention I like to keep all my code together, so I have created any extra files in the "src" folder.
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=== Steps ===
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<ol>
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<li>Create simple project through MADDE.
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  mad pscreate -t qt_simple projectname</li>
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<li>Edit and test with Qt Creator (or whatever your favorite tool is).</li>
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<li>Once ready to deploy create a clean empty top level folder <code><projectname>-0.x</code> where <code>x</code> is your revision number, for example <code>C:\Madde\0.5\home\shep\wwcalc-0.1</code> in the OS
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'''Note: the following 3 steps apply each time you go to build.'''
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  <ol><li>ensure there is no <code>debian</code> folder at the same level as <code>src</code></li>
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  <li>ensure there is no folder structure called <code><projectname>-0.x-orig</code> left over from a failed compile</li>
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  <li>remove old compiles from the <code>Madde\home\user</code>, for example <code>C:\Madde\0.5\home\Shep</code> folder.</li></ol></li>
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<li>Copy the <code>src</code> folder from the tested Qt project into the <code><projectname-0.x</code> folder</li>
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<li>Create (or obtain) an application Icon. This should be a 64x64 PNG. Call it <code><projectname>.png</code> and place it in the <code>src</code> folder.</li>
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<li>Again inside the <code>src</code> folder create a new file called <code><projectname>.desktop</code>
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Code:
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<pre>
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[Desktop Entry]
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Encoding=UTF-8
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Version=0.x
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Type=Application
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Name=<Long Descriptive Project Name>
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Exec=/usr/bin/<projectname>
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Icon=<projectname>
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X-HildonDesk-ShowInToolbar=true
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X-Osso-Type=application/x-executable
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</pre></li>
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<li>Inside the <code>src</code> folder added a file called <code>src.pro</code>. Getting this right is the key to getting the Makefile correct and hence the install working. At the end of this file there is a section called <code>INSTALLS += ...</code> for every file you want installed in a location you need an entry here. In the example here we install the target, icon and desktop files.
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Code:
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<pre>
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TARGET = wwcalc
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TEMPLATE = app
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SOURCES += qtmain.cpp \
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    mainwindow.cpp
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HEADERS += mainwindow.h
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FORMS += mainwindow.ui
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unix {
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  PREFIX = /usr
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  BINDIR = $$PREFIX/bin
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  DATADIR =$$PREFIX/share
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  DEFINES += DATADIR=\"$$DATADIR\" PKGDATADIR=\"$$PKGDATADIR\"
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  #MAKE INSTALL
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  INSTALLS += target desktop icon64
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  target.path =$$BINDIR
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  desktop.path = $$DATADIR/applications/hildon
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  desktop.files += wwcalc.desktop
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  icon64.path = $$DATADIR/icons/hicolor/64x64/apps
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  icon64.files += wwcalc.png
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}
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</pre></li>
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<li>Up one level and inside the top level folder (that is,  <code>C:\Madde\0.5\home\<YOU!>\<projectname>-0.x</code> ) create a file called <code><projectname>.pro</code> with the following exact contents.
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Code:
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<pre>
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TEMPLATE = subdirs
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SUBDIRS  = src
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</pre></li>
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<li>In Madde make sure the [[MADDE/Device runtime|runtime is up and connectible]] and then execute.
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Code:
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<pre>
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mad dh_make --createorig --single -e foo.bar@gmail.com -c gpl
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</pre>
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''Several people have commented that mad qmake is not required, but I find there are times that it is, ignore this next line if you wish''
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<pre>
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mad qmake
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mad dpkg-buildpackage
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mad remote -r org.maemo.<projectname> send ../<projectname>_0.x-1_armel.deb
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mad remote -r org.maemo.<projectname> install <projectname>_0.x-1_armel.deb</pre></li>
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<li>Uninstalling - from an X_Terminal.
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Code:
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<pre>
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sudo gainroot
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dpkg -r <projectname></pre></li></ol>
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== Additional information ==
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* [[Packaging a Qt application]]
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* [[Packaging]]
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[[Category:Development]]
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[[Category:Qt]]
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