本文详细介绍了使用Qt进行应用开发的过程，包括使用.qmake工具创建.profile和.makefile，解释了如何通过.qmake工具自动生成相应的Makefile规则来调用uic编译器，将UI设计文件转换为C++代码，并提供了关于在不同平台上设置应用图标的方法。文章旨在帮助开发者更好地理解和掌握Qt应用开发的各个环节。
1. But if you are curious, you can read the QMetaObject class documentation and have a look at the C++ source files generated by moc to see how the implementation works.
2.Now run qmake to create a .pro file and a makefile (qmake -project; qmake gotocell.pro). The qmake tool is smart enough to detect the user interface file gotocelldialog.ui and to generate the appropriate makefile rules to invoke uic, Qt's user interface compiler. The uic tool converts gotocelldialog.ui into C++ and puts the result in ui_gotocelldialog.h.
3.Unfortunately, there is no platform-independent way of setting the application icon that appears on the desktop. Platform-specific procedures are explained at http://doc.trolltech.com/4.3/appicon.html.
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