转载：[SOLVED] GLC_PLAYER BUILD

当妳遇到这样的错误：QWidget: Must construct a QApplication before a QpaintDevice，妳可能是在Windows系统中开发QT程序时把debug版的库和release版的库混用咯。

http://www.glc-lib.net/forum/viewtopic.php?f=9&t=114

亮点：

If I remember well:
The message "QWidget: Must construct a QApplication before a QPaintDevice" comes because you work with a release version of Qt. You need to compile Qt in Debug first.

转载：[SOLVED] GLC_PLAYER BUILD

当妳遇到这样的错误：QWidget: Must construct a QApplication before a QpaintDevice，妳可能是在Windows系统中开发QT程序时把debug版的库和release版的库混用咯。

http://www.glc-lib.net/forum/viewtopic.php?f=9&t=114

亮点：

If I remember well:
The message "QWidget: Must construct a QApplication before a QPaintDevice" comes because you work with a release version of Qt. You need to compile Qt in Debug first.