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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/edba/dist/qtopia/main-Sunday/qtopia/doc/start.doc:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td width="200" align="left" valign="top"><a href="index.html"><img height="27" width="472" src="dochead.png" border="0"></a><br><font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qtopia</font>   <a href="index.html">Home</a> - <a href="qtopiaclasses.html">Classes</a> - <a href="qtopiaannotated.html">Annotated</a> - <a href="qtopiafunctions.html">Functions</a> - <a href="qtindex.html">Qt Embedded</a></td><td align="right" valign="top">  <table border="0" cellpadding="0" cellspacing="0" width="137">  <tr>  <td><a href="http://www.trolltech.com/company/about/trolls.html"><img height="100" width="100" src="face.png" border="0"></a></td>  <td><img height="100" width="100" src="qtlogo.png" align="top" border="0"></td>  </tr>  </table></td></tr></table><p> <p> <h2> Qtopia - Getting Started</h2><a name="1"></a><p> <h3> Qtopia - The Qtopia environment</h3><a name="1-1"></a><p> <em>Qtopia</em> is a windowing system for handheld devices. It offersdevelopers the powerful Qt API, and provides users with fast andintuitive interaction.<p> <h4> Developing for Qtopia</h4><a name="1-1-1"></a><p> Since <em>Qtopia</em> offers the complete Qt API, you can do much of yourdevelopment on any of the other platforms for which Qt is available:Windows, Unix/X11, or Mac OS X. However, for optimal tailoring of yourapplication to the smaller screen and other limitations of a smalldevice, we recommend that you use the <em>Qtopia SDK</em>.<p> The <em>Qtopia SDK</em> allows you to develop <em>Qtopia</em> applications underthe Linux desktop environment using the Qt Virtual Framebuffer, whichcompletely emulates the handheld <em>Qtopia</em> environment. It alsoincludes cross-compiler software so that you can compile yourapplication to run on the target device. If you do not already havethe <em>Qtopia SDK</em> (this document is normally part of the SDK),contact <a href="mailto:info@trolltech.com">info@trolltech.com</a>, orsee the <a href="http://www.trolltech.com">Trolltech web site</a>.<p> To build applications for the SHARP SL5000 or similar StrongARM-baseddevices, you will also need a StrongARM cross compiler. <p> The SDK includes an example application. We recommend that you compile andrun this example to learn how things work, before tackling your ownprojects.<p> Here are the steps necessary to compile and run the example program onthe Linux desktop:<p> <ol type=1><li> Check the environment is correct:<pre>   export QPEDIR=/opt/Qtopia   export QTDIR=/opt/Qtopia   export PATH=$QTDIR/bin:$PATH   export TMAKEPATH=/opt/Qtopia/tmake/lib/qws/linux-generic-g++   export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH</pre> <p> <li> Make a copy of the example:<pre>   cd somewhere   cp -r $QPEDIR/examples/application .   cd application</pre> <p> <li> Generate a Makefile:<pre>   tmake -o Makefile example.pro</pre> <p> <li> Build the example:<pre>   make</pre> <p> <li> Install it:<pre>   su # root privileges required to install   cp example.desktop $QPEDIR/apps/Applications/   cp Example.png $QPEDIR/pics/   cp example $QPEDIR/bin/   cp example.html $QPEDIR/help/html/   exit # no need to be root anymore</pre> <p> <li> To run it, first run the Qt Virtual Framebuffer:<pre>   qvfb &amp;</pre> <p> <li> Then run the <em>Qtopia</em> environment:<pre>   qpe</pre> Your application should be available in the Applications tab visibleinside the Qt Virtual Framebuffer window.<p> <li> If you want to distribute your applications to others, build an RPMpackage, e.g.:<pre>   mkipks -rpm -arch i386 example.control</pre> </ol><p> To make your own application, use the example program as a model. Make sure thatwhen you add files to your project, you also add them to your project file (i.e.to <tt>example.pro</tt>) and rerun the <tt>tmake</tt>command to update the <tt>Makefile</tt> whenever you update the <tt>.pro</tt>file.<p> To build you application for the SHARP SL5000 rather than just runningon the desktop, the process is similar.  The example below assumesyou have installed the cross compiler in /usr/local/arm.<p> <ol type=1><li> Check the environment is correctly set for the SHARP SL5000:<pre>   export QPEDIR=/opt/Qtopia/sharp   export QTDIR=/opt/Qtopia/sharp   export PATH=$QTDIR/bin:/usr/local/arm/bin:$PATH   export TMAKEPATH=/opt/Qtopia/tmake/lib/qws/linux-sharp-g++</pre> <p> <li> Rebuild the makefile (<tt>$TMAKEPATH</tt> has changed) above:<pre>   make clean   tmake -o Makefile example.pro</pre> <p> <li> Build it:<pre>   make</pre> <p> <li> Install it (note that this is now going into the <tt>/opt/Qtopia/sharp/</tt> directory):<pre>   su # root privileges required to install   cp example.desktop $QPEDIR/apps/Applications   cp Example.png $QPEDIR/pics   cp example $QPEDIR/bin   cp example.html $QPEDIR/help/html/   exit # no need to be root anymore</pre> <p> <li> To install it on a device, build an <tt>ipk</tt> package file:<pre>   su -m # root privileges required to strip the executable   mkipks example.control   exit # no need to be root anymore</pre> </ol><p> The resulting <tt>example-1.0.0.ipk</tt> can be installed on the SL5000 using <em>Qtopia Desktop</em>.<p> <h4> Building Your Own Applications</h4><a name="1-1-2"></a><p> Once you have built the example, you can proceed with writing your ownapplicatons. If you are not familiar with Qt, you should consult theQt documentation by pointing your web browser at <a href="file:/opt/Qtopia/doc/index.html">/opt/Qtopia/doc/index.html</a> when you have installed theSDK, or use the online <a href="http://doc.trolltech.com/">TrolltechDocumentation Site</a>. The <a href="http://www.trolltech.com/products/qt/whitepaper.html">QtWhitepaper</a> provides a good overview of, and introduction to,the Qt API.<p> When you add more files to your application, just edit the projectfile (e.g. <tt>example.pro</tt>) and rerun <tt>tmake</tt>.<p> The <tt>.ui</tt> files are <em>Qt Designer</em> user interface files.You can create and edit these using <em>Qt Designer</em>:<pre>   designer example.ui</pre> <p> <em>Qt Designer</em>'s online documentation (accessible from the linksmentioned above) includes a complete tutorial.<p> <!-- eof --><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright &copy; 2001-2004 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align="right"><div align="right">Qtopia version 2.0.0</div></table></div></address></body></html>
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